Circulation Heaters WATLOW. FREEFLEX Heaters Ultra-Pure Thick Film Quartz Heater Modules STARFLOW Heaters...311

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1 irculation Heaters FREEFLEX Heaters Ultra-Pure Thick Film Quartz Heater Modules STARFLOW Heaters AST-X 500 irculation Heaters AST-X 1000 irculation Heaters AST-X 2000 irculation Heaters AST-X 3000 irculation Heaters UNIVERSAL SOLVENT irculation Heaters WATROD and FIREAR irculation Heaters ooster Heaters Engine Preheaters WATLOW 299

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3 FREEFLEX Heaters The miniature heated polymeric tubing assemblies from Watlow provide a flexible heat-up and transport system for moving fluids in tubing as small as 1 32 in. (0.8 mm) inside diameter. FREEFLEX heats fluids up to 212 F (100 ) and maintains temperature during transfer from a reservoir to a point of use. In some applications, the tubing can actually serve as the reservoir for limited volumes of fluid, helping to reduce start-up times. For higher temperatures contact your Watlow representative. Watlow s innovative design places the heating element and sensor directly in contact with the perimeter of the tubing to produce efficient, responsive heating and temperature control of the tube contents. The element is evenly wound to ensure reliable, close contact for uniform heating along a portion or the entire length of the line. A flexible, durable jacket covers the wound element and lets the tubing flex and move in a dynamic system. This allows for fluid delivery to multiple locations from a single supply source. In stationary applications, the FREEFLEX heated tubing is conveniently routed through available space or around other system components. This saves space and provides for an uncomplicated retrofit in existing systems. The superior construction employs an efficient heating element design with the ability to incorporate optional thermocouple, thermistor or RTD temperature sensors into the thermal package. Users can select leads to exit one or both ends of the assembly. Typical standard Teflon tubing comes in 1 32, 1 16, 1 8 or 3 16 in. (0.8, 1.6, 3.2, 4.8 mm) inside diameters, although other sizes and materials are available. Features and enefits Flexible heat-up and transport system Eliminates the need for heated reservoir systems in many applications Heating element directly contacts tubing Provides fast, efficient more responsive heating Available in three configurations FREEFLEX design - allows tubing to flex, coil or bend around system components Pre-formed design - allows longer tube length in smaller volume Molded design - provides a compact heating assembly for easy installation WATLOW Integral sensors Maintains close control of heater and fluid temperatures Low voltage design Promotes safety Miniature sizes as small as 1 32 in. (0.8 mm) inside diameter Transports and heats fluids in even the smallest spaces onvenient retrofit Allows for routing flexible tubing around system components and using existing control system UL recognition Available on qualified designs by request Applications Medical: automated clinical analyzers, tissue processing equipment Analytical: sample preheating for L and HPL systems, breathalyzers Semiconductor processing: wafer drying equipment, DI water heating Printing: Ink jet printers, rapid prototyping systems, photo lithography General process: wax/paraffin processing and non-combustible gas heating Water purification systems Precision cleaning equipment Aerospace Military 301

4 FREEFLEX Heaters Technical Data Water Temperature Rise/Length Versus Flow Rate Versus Watt Density Water Temperature Rise ( F/Foot) Water Temperature Rise/Foot vs. Flow Rate vs. Watt Density (1 16 in. (1.6 mm) I.D. Tube) W/ft W/m Flow Rate of Water (ml/minute) Water Temperature Rise ( /Meter) Water Temperature Rise F/Foot Flow Rate (ml/minute) W/ft Water Temperature Rise /Meter Flow Rate (ml/minute) W/m FREEFLEX Outside Diameter Temperature Versus Watts/Length O.D. Temperature ( F) O.D. Temperature vs. Watts/Meter O.D. Temperature vs. Watts/Unit Length Dry Tube - No Flow O.D. Temperature ( ) W/ft W/m O.D. Temperature ( F) (Ambient) (21) (60) (99) (129) (154) (171) O.D. Temperature vs. Watts/Foot 302 WATLOW

5 FREEFLEX Heaters Ordering Information To order, please specify: Fluid Type Inlet Temperature Outlet Temperature Flow Rate Voltage - Typically less than 36V Watts/ft - See chart on previous page for typical values Maximum Allowable Outside Surface Temperature Tube Size 1 32 in. (0.8 mm) I.D. x 1 16 in. (1.6 mm) O.D in. (1.6 mm) I.D. x 1 8 in. (3.2 mm) O.D. 1 8 in. (3.2 mm) I.D. x 3 16 in. (4.8 mm) O.D in. (4.8 mm) I.D. x 1 4 in. (6 mm) O.D. Other (specify size) Tube Material Teflon (PTFE standard) Silicone rubber Others upon request Tube Length - 12 to 120 in. (305 to 3048 mm) typical Total Heated Unheated (specify) Tube Fittings No fittings (1 in. [25 mm] bare tubing each end) Other (specify) Tube Flexing Static (to route around components in system) Dynamic (subject to more continuous flexing) Occasional, frequent or continuous Note: Min. recommended flexing radius 1 32 in. (0.8 mm) I.D. x 1 16 in. (1.6 mm) O.D. Teflon 1 in. (25 mm) 1 16 in. (1.6 mm) I.D. x 1 8 in. (3.2 mm) O.D. Teflon in. (38 mm) 1 8 in. (3.2 mm) I.D. x 3 16 in. (4.8 mm) O.D. Teflon 2 in. (51 mm) 3 16 in. (4.8 mm) I.D. x 1 4 in. (6 mm) O.D. Teflon 3 in. (76 mm) Heater Leads One at each end oth at one end Standard lead insulation (UL Style 1180 SA white Teflon ) Other insulation (specify) Heater Lead Length Standard 12 in. (305 mm) w/customer end stripped/tinned 1 2 in. (13 mm) Other (specify) Heater Lead Exit Direction Inboard/outboard Temperature Sensor Standard thermocouple (#30 AWG Teflon - Type J) Thermistor (specify) 10KΩ at 25 (72 F) standard Other temperature sensors size/types (specify) Sense heater element or tube temperature Sensor Lead Exit Direction Inboard/outboard Temperature Sensor Lead Length Standard 12 in. (305 mm) Other (specify) Typical FREEFLEX Layout Inlet Lead Direction Power Leads Lead Orientation { Heated enter Outboard Outboard Inboard Lead Location Outset (Standard) Power Leads at End of Heater Fluid Flow Direction Inboard Power Leads Exit From ody of Heater { Typ. Sensor Placement Outlet Each End 1 in. (25 mm) are Tube Typ. 5 8 in. (15.9 mm) No Heat Typ. D in. Inset Sensor Location/Mounting Description Inlet Sense Jacket (External to Jacket; Separate oot) Sense Tube (Tube ontact in Non-Heated Area) Sense Heater (Under Jacket, etween Elements in Heated Area) S in. Outlet WATLOW 303

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7 Ultra-Pure Thick Film Quartz Heater Modules Watlow thick film quartz heater modules are intended for use in deionized (DI) water and aggressive chemical heating applications. The heater s optimum watt density assures high reliability and long life. This quartz module provides superior performance under variable and low flow conditions. The quartz heater modules employ Watlow s patented thick film on quartz technology to significantly advance the state-of-the-art in ultra pure process heating. The primary benefits of thick film heating include: Reduction in size of the heater modules over other heating technologies, therefore saving space in expensive tools, cleanrooms and wafer fabs Elimination of the need for clean-dry-air (DA) purge required in most infrared (IR) heating systems Reduction of the possibility of quartz devitrification that can occur in high temperature IR heating systems Elimination of potential metal contamination associated with Teflon (PFA) heating systems Reduction of preventative maintenance (PM) and increased tool uptime Reduced cost of ownership These superior thick film heaters can be applied in areas where space is at a premium or where conventional heaters cannot be used because the voltage and wattage combination precludes using other types of resistive heaters. Due to the unique nature of a thick film circuit, these heaters can be designed to vary heat output across the entire surface. U.S. Patent # 6,037,574 Features and enefits Up to 100 W/in 2 substrate Extends product life Provides higher product reliability Reduces cost of ownership High purity semiconductor grade GE 214 quartz Minimizes risk of metal contamination Glassware fluid pressures up to 75 psi* Provides higher processing temperature Assures a robust design (less breakage) Primary element over-temperature sensor available as an RTD or thermocouple Provides standard sensor product offering Power ratings up to 11kW Assures fast recovery due to direct heater contact Enables fast response Low element temperature, <842 F (450 ) Assures no DA-purge required 8 gallons (30 liters) per minute, maximum flow rate and 0.25 gallons (0.95 liters) per minute, minimum flow rate Assures maximum efficiency in differing flow conditions Reduces preventative maintenance (PM) cycles Redundant mechanical over-temperature snap switch Assures product safety Single- and multi-phase power forms VÅ(ac) Works with the power you have for heaters that do not require transformers Options including enclosure materials Provides extra chemical resistance UL recognized - thick film heater on glassware level RoHS compliant *Note: Refer to Flaretek or Flarelock II for manufacturer s pressure vs. temperature rating charts on external fittings. Use a surge suppressor and/or pressure regulator in applications exceeding manufacturer s ratings. WATLOW 305

8 Ultra-Pure Thick Film Quartz Heater Modules Applications Ammonium chloride Deionized water (DI) Hydrobromic acid Hydrochloric acid Hydrogen peroxide Nitric acid Phosphoric acid Piranha etch (sulfuric acid + hydrogen peroxide) RA standard clean 1 (S1) (DI + ammonium hydroxide + hydrogen peroxide) RA standard clean 2 (S2) (DI + hydrochloric acid + hydrogen peroxide) Sulfuric acid TMAH (Tetra Methyl Ammonium Hydroxide) Standard and Optional Features Quartz heater modules can be stand-alone units or interconnected to form systems for DI water or acid applications. Depending upon the process need, the design of the quartz module allows application requirements to drive not only the electrical and thermal solution, but also the physical size of the equipment. Standard Features Single-phase voltage Quartz end fittings compatible with standard 0.75 in. (19 mm) Flaretek and Flarelock II fittings 6 ft (1828 mm long Teflon lead wires within flexible Teflon sleeve Redundant safety high limit - Pilot duty (dry contact mechanical switch) High limit sensor - Type J or K thermocouple (set limit control for 482 F (250 ) Options Quartz end fitting compatible with standard 19 mm pillar-style fitting available 3-phase voltage Leak detector - Non-contact electro-optical switch (open collector) Teflon (PFA) interconnects for arrays Kynar 740 (PVDF) rated 266 F (130 ), recommended for acid applications other than hot phosphoric Semiconductor grade cleaning Downstream process sensor assembly Fitting assembly also available High limit sensor RTD for dry-fire condition (set limit control for 482 F (250 ) 306 WATLOW

9 Ultra-Pure Thick Film Quartz Heater Modules Technical Information Percent Resistance hange Performance Testing Watlow's quartz heater module was tested in direct comparison to an IR heater to provide evidence of the performance and efficiency advantages of thick film technology. Testing was performed on a wet bench heating DI water. The normalized performance comparison graph illustrates the thermal response of the system using each heater. The thermal load consisted of 4 gallons (15.1 liters) of water circulating through a diaphragm pump, the in-line heater, a diverter valve and back to a holding tank (reservoir). Temperatures were sensed at the outlet of the in-line heater and the bulk tank. The Watlow heater provided a faster heat up time. It outperformed the IR heater by achieving the process set point of 149 F (65 ) in 6.5 minutes; whereas, the IR heater required 7.25 minutes. This efficiency comparison was created by normalizing the nominal power outputs of the respective heaters and calculating the efficiency based upon the work performed at the reservoir. Elapsed time for the efficiency test was equal for both systems at which both were at 100 percent power. As shown in the efficiency comparison graph the Watlow heater demonstrated a five to 10 percent improvement in efficiency. Resistance hange Versus Number of ycles Normalized Efficiency (4 Gallon Reservoir) 167 F (75 ) 149 F (65 ) 131 F (55 ) 113 F (45 ) 95 F (35 ) 77 F (25 ) 59 F (15 ) 100% 90% 80% 70% 60% 50% 40% 30% 20% 10% 0% Performance omparison Watlow Heater Outlet IR Heater Outlet Elaspsed Time Since old Start Initiation (Minutes) Efficiency omparison Elaspsed Time (Minutes) Watlow Heater Efficiency IR Heater Efficiency Note: Thermal cycling test conducted by Watlow using water at outlet temperature of 176 F (80 ), 10 seconds ON and 10 seconds OFF per cycle. Water back pressure at 50psi with flow rate at around 0.5 GPM failure predicted at 25 percent resistance change or approximately 1.9 million cycles. WATLOW 307

10 Ultra-Pure Thick Film Quartz Heater Modules Technical Information Quick Estimates of Wattage Requirements (for Deionized Water) 64.0 kw º º 30º º º kw ºF 80ºF 40ºF 20ºF 60ºF Flow Rate - Liters Per Minute Flow Rate - Gallons Per Minute Note: Locate the application flow rate on x-axis of the appropriate chart and follow the vertical line upward until it intersects the target temperature rise. At that point move left, horizontally, to the y-axis to capture the approximated wattage requirement. Quick Estimates of Wattage Requirements For heating flowing water, simply calculate: kw = GPM x temperature rise ( F) x 0.16 or kw = Liters/minute x temperature rise ( ) x For heating recirculation applications heating water in baths, simply calculate: kw = Gallons x temperature rise ( F) 375 x Heat up time (hours) or kw = Liters x temperature rise ( ) 790 x Heat up time (hours) 308 WATLOW

11 Ultra-Pure Thick Film Quartz Heater Modules Technical Information Single Tube Vertical with Flaretek -Style Fittings 2.5 in. (64mm) 4.5 in. (114 mm) 2.75 in. (70 mm) 4 in. (102 mm) 0.75 in. (19 mm) FLARETEK ompatible Quartz Fitting (both ends) 0.63 in. (16 mm) Heater Power Lead 4.75 in. (121 mm) Ref. Leak Sensor M6 (0.25 in.) mounting bolts (4) plcs. suggested Maximum Available Power (kw) Minimum Overall Fluid Path Length Flaretek A Lf Lf Power (kw) 12 (305) (254) 15 (381) (330) 18 (457) (406) 21 (533) (483) 24 (610) (559) 27 (686) (635) 30 (762) (711) Notes: afluid path length includes a 0.75 in. (19 mm) Flaretek - compatible all-pfa tube union. Minimum flow rate: 0.25 GPM (0.95 LPM). ontact your Watlow representative for available voltage forms. Thick Film Quartz In-Line Heater Modules Standard Offering ode Number Module Size Wattage Voltage Fitting Style Lead Length List Price TQ in. 5.2kW 208, 1-ph 3 4 in. Flaretek 72 in. ontact Watlow TQ in. 9.2kW 480, 3-ph wye 3 4 in. Flaretek 72 in. ontact Watlow* TQ in. 6.8kW 480, 3-ph wye 3 4 in. Flaretek 72 in. ontact Watlow* *Includes leak detector WATLOW 309

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13 STARFLOW Heaters Throughout many steps in the semiconductor manufacturing process, Watlow cable circulation heaters help to improve process time and operating efficiency. Using clean, hot gases reduces wafer drying time. Flameless dry heat efficiently solders and desolders electronic circuits and boards. Heated gas streams quickly dry and cure circuit boards without using a large baking oven which saves precious floor space. Watlow s STARFLOW circulation heater is specifically designed to meet the requirements of these applications. The STARFLOW circulation heater is engineered to heat a flowing gas stream to 1200 F (650 ). The 316L stainless steel chamber houses a small diameter sheathed element, which allows for quick response to both heat-up and cool down cycles. Watlow s starwound, coiled cable heater provides extremely efficient and reliable heating by maximizing the contact area of the gas or fluid with the element. ecause the element is sheathed, the unit can operate in gas streams requiring a clean environment as well as atmospheres containing contaminants and moisture. This provides superior performance compared to units with internally exposed or open element wires. Features and enefits Small diameter heater Allows for quick response time Internal starwound element Provides fast, efficient heating Sheathed element Provides the ability to heat in clean or impure streams Flexibility in configurations Allows for adaptability to any process 316L stainless steel Provides a rugged and corrosion resistant construction Electropolishing available on all wetted surface Reduces particulate contamination Thermocouple Type J or K thermocouples Provides precise control and high-limit safety Replaceable heater and thermocouple Reduces replacement cost Shipment from stock Reduces downtime Outlet Tube able irculation Heater Process Thermocouple Fitting O-Ring Groove Applications Semiconductor processing uring and drying Electronics Heat shrinking Thermal forming/sealing One to three day shipment. Inlet Tube Heater Adapter Exit WATLOW 311

14 STARFLOW Heaters 10 in. (254 mm) 9.25 in. (235 mm) 4 in. (102 mm) ø.3.5 in. (89 mm) ø.2.5 in. (64 mm) 1.26 in. Ref. (32 mm) Process T/ Fitting 2 in. (51 mm) Inlet Tube Outlet Tube Heater Adapter Exit 1.32 in. Ref. (33.5 mm) 0.25 in. (6 mm) O-Ring Groove ø3 in. (76 mm).. (8) : ¼-20 Threads Ordering Information To order, complete the code number to the right with the information below: H 3-4. Type of Inlet ET = 1 4 in. (6 mm) O.D. tube JT = 1 2 in. (13 mm) O.D. tube 5-6. Type of Outlet ET = 1 4 in. (6 mm) O.D. tube JT = 1 2 in. (13 mm) O.D. tube Heater Wattage 0375 = 120V, 375 W 0500 = 120V, 500 W 0750 = 120V, 750 W 1500 = 240V, 1500 W 2000 = 240V, 2000 W 3000 = 240V, 3000 W 11. Internal Thermocouple alibration (Heater) J = Type J K = Type K 12. Surface Finish of Assembly and Heater X = Unfinished E = Electropolished 13. Process Thermocouple alibration (Assembly) J = Type J K = Type K 14. O-Ring Material A = Viton 500 F (260 ) M = Alloy X F (704 ) T = Teflon encapsulated Viton 392 F (200 ) 312 WATLOW

15 AST-X 500 irculation Heaters The AST-X 500 heater from Watlow is a small, lightweight circulation heater ideal for heating gas or liquids in demanding applications. Even in its compact size, the AST-X 500 is extremely powerful with operating temperatures up to 350 F (177 ) and working fluid pressure up to 3000 psi. It is also safe and will not burn heated fluids. The AST-X 500 heater is available in a variety of wattages and can be shipped in just a few days. The AST-X 500 heater is constructed of a helical coiled tube cast into an aluminum body with a replaceable cartridge heater installed in the center. The cartridge heater can be built with various wattages to suit your equipment s requirements. The aluminum body serves as the heat transfer media between the cartridge heater and the coiled tube where the fluid is being heated. The aluminum mass acts as a thermal flywheel and ensures accurate temperature control of the fluid to prevent degradation. The heater is suited for applications where fluid cleanliness is critical, because the material being heated never comes in contact with the heater. The unique, non-weld construction of the AST-X 500 allows it to be used where thermally sensitive materials are being heated such as paints, resins and flammable materials. This is a performance requirement in foodservice, semiconductor and analytical industries. Features and enefits Fluid path constructed independent from heater sheath Assures a safe thermal solution Prevents fluid contamination upon heater failure Heats sensitive materials safely because the material heated does not come in contact with heating elements Robust cast-in aluminum construction Assures longer heater life Offers accurate temperature control Non-welded construction Minimizes potential leakage Offers an economical priced package Provides high pressure operation to 3000 psi Self draining when mounted vertically Standard stainless steel fluid path Assures material compatibility with many different materials Replaceable cartridge heater Offers low cost of ownership due to ability to replace heater in field Assures faster delivery and customization from factory ompact size Assures quick response to low mass (2.375 lbs) Saves real estate in equipment because of small footprint Applications Solvent heating Air, O 2 and nitrogen heating Deionized (DI) water heating Packaging sterilization Hydrogen peroxide vaporization Analytical instrumentation Sample heating Foodservice Steam generation Glycol heating for IP systems Pasteurization Printing ink heating Diesel and fuel heating WATLOW 313

16 AST-X 500 irculation Heaters Technical Information Specifications (4) in. (9.5 mm) deep mounting holes 1 4 in. (6.4 mm) 316 SS seamless tubing in. (0.71 mm) wall tubing 84 in. ( cm) long tubing Process temperatures to 350 F (177 ) Up to 1500 W Options Single-phase operation to 240V NEMA 1, 4 or 7 housings with and without sensors Passivated or electropolished wetted surfaces Insulated body up to 400 F (204 ) operation No Enclosure in. (7.95 mm) 5.75 in. (146 mm) 0.74 in. T/ (18.8 mm) 0.63 in. HTR (16 mm) 4.75 in. (121 mm) 0.5 in. (13 mm) 6.43 in. (163.3 mm) 0.81 in. (21 mm) Dimensions NEMA 1 and in. (129 mm) 4 in. (102 mm) 2.3 in. (58.4 mm) Ø2 in. (51 mm) 1.19 in. (30.2 mm) 2.44 in. (62 mm) (6X) in. (9.7 mm) 0.63 in. (16 mm) 2.03 in. (51.6 mm) 1.38 in. (35.1 mm) 1.25 in. (32 mm) 0.5 in. (13 mm) 1.13 in. (28.7 mm) NEMA in. (106 mm) Ø2.50 in. (64 mm) Ø1.25 in. (32 mm) (2X) 0.5 in. (13 mm) 3.43 in. (87.1 mm) 1.3 in. (33 mm) 314 WATLOW

17 AST-X 500 irculation Heaters Ordering Information To order, complete the code number to the right with the information below: W X 6 E 2 A - - ase Description 0.25 in. O.D. (6 mm), in. (0.71 mm) wall, 316 SS tubing with 5 8 in. (15.9 mm) dia. cartridge heater with 36 in. (914 mm) Teflon leads. No housing Heater Wattage 300A = 120V, 300 W 300 = 120V, 1500 W 300 = 240V, 300 W 300D = 240V, 500 W 300E = 240V, 750 W 300F = 240V, 1000 W 300G = 240V, 1200 W 300H = 240V, 1500 W 300J = 208V, 1125 W 300K = 208V, 900 W 300L = 208V, 750 W 300M = 208V, 565 W Enclosures and Sensors 00 = No sensor or enclosure 0J = Type J T/ in casting, no housing 0K = Type K T/ in casting, no housing S0 = NEMA 1 housing, no sensor SJ = NEMA 1 housing with Type J sensor in casting SK = NEMA 1 housing with Type K sensor in casting W0 = NEMA 4 housing, no sensor WJ = NEMA 4 housing with Type J high-limit sensor in casting WK = NEMA 4 housing with Type K high-limit sensor in casting E0 = NEMA 7 housing, no thermostat, no sensor EJ = NEMA 7 housing with Type J high-limit sensor in heater, non-standard delivery EK = NEMA 7 housing with Type K high-limit sensor in heater, non-standard delivery High Limits (Only available with no housing option) 00 = None 01 = Snap action high-limit set at 260 F (127 ) 02 = Snap action high-limit set at 500 F (260 ) Accessories Pair high pressure compression fitting Insulation jacket , max. temperature 400 F (204 ) Application Guidelines Max. process temperature 350 F (177 ) Max. water flow rate is 0.75 GPM ontact your Watlow representative for gas applications WATLOW 315

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19 AST-X 1000 irculation Heaters The AST-X 1000 circulation heater from Watlow consists of a helically coiled tube cast into an aluminum body with tubular elements. The aluminum body blankets the tubular elements and acts as the heat transfer media between the elements and the coiled tube circulating the heated fluid. This innovative and cost-effective cast construction provides multiple advantages compared to traditional circulation heaters. The AST-X 1000 circulation heater s aluminum mass maintains heat accurately and consistently, resulting in an optimum level of temperature control. The aluminum body also efficiently conducts heat away from the tubular elements, prolonging heater life. The reliable construction of Watlow s AST-X 1000 circulation heaters allows fluid to circulate through a coiled tube instead of in direct contact with tubular elements. This feature eliminates hot spots caused by poor flow conditions that typically result from contact between tubular elements and the heated fluid. In addition, because the unit can run dry with the thermostat without damage, there is less chance of overall heater failure and fluid leakage. The robust, rugged design of Watlow s AST-X 1000 circulation heaters also delivers problem-free operation in a more compact size than traditional heat exchangers. The AST-X 1000 circulation heater is appropriate for numerous applications and may be customized to meet specific customer needs. Features and enefits Fluid path constructed independent from heater sheath Allows sensitive materials to be heated safely and effectively Assures safety because heater failure will not cause leaks or significant damage Provides cost effective material compatibility due to minimal material usage and non-welded construction Operates to 1500psi with appropriate fittings Allows economic, high pressure operation Integrated thermostat and enclosure Permits ease of installation and use Eliminates additional parts and wiring Over-temperature snap action switch Offers cost effective, over-temperature protection Self draining construction Saves time and money Reduces material degradation caused by trapped material Applications Solvent heating Glycol heating for heat transfer systems Analytical instrumentation Steam generation Paint heating Food and beverage heating General industrial applications Specifications 120, 240 or 480V, 3kW max. single phase Process temperature to 250 F (121 ) (4) 1 4 to 20 in., in. deep mounting holes 5 16 in. (7.9 mm) O.D. inlet/outlet, 304 SS wetted surface NEMA 1 sheet metal enclosure Optional insulated body, process thermocouples and snap action high-limit thermostats WATLOW 317

20 AST-X 1000 irculation Heaters Technical Information Dimensions 3 in. (76 mm) NEMA 4 Housing Without Thermostat 4 in. (102 mm) 0.75 in. ( 19 mm) onduit Opening 2 in. (51 mm) 4.57 in. (116.1 mm) ø4.625 in. (ø mm) 2 in. (51 mm) in. (206.4 mm) (4X) ø ¼ - 20 in DP NEMA 4 Housing With Single Pole Thermostat in. (166.7 mm) 4.25 in. (108 mm) 8.63 in. (219.2 mm) 7.75 in. (197 mm) 7.38 in. (187.5 mm) in. (317.3 mm) in. (166.7 mm) 6 in. (152 mm) 1.5 in. (38 mm) Ordering Information ø3.750 in. (ø95.3 mm) To order, complete the code number to the right with the information below: 2 in. (51 mm) Non Standard Options NEMA 7 enclosure 316 SS tubing Passivated or electropolished wetted surfaces ustom fittings and sensors X 8 L 4 M - - _ 0 0 ase Description 5 16 in. (7.9 mm) O.D. inlet/outlet, 304 SS wetted surface, NEMA 1 housing Heater Wattage 200A = 240V, 3000 W, 1-phase 200 = 480V, 3000 W, 1-phase 200 = 120V, 750 W, 1-phase 200D = 240V, 750 W, 1-phase Enclosures and Thermostats S2 = NEMA 1 housing with 30 to 250 F (-1 to 121 ) single-pole thermostat W0 = NEMA 4 housing, no thermostat W2 = NEMA 4 housing with 30 to 250 F (-1 to 121 ) single-pole thermostat WJ = NEMA 4 housing, with Type J process T/ in thermowell WK = NEMA 4 housing, with Type K process T/ in thermowell SJ = NEMA 1 housing, with Type J process T/ in thermowell SK = NEMA 1 housing, with Type K process T/ in thermowell High Limit 1 = Snap action high-limit set at 260 F (127 ) Accessories ompression fitting Insulation jacket WATLOW

21 AST-X 2000 irculation Heaters The AST-X 2000 circulation heater from Watlow is an ideal heating solution for demanding applications. The AST-X 2000 heater consists of a helical coiled tube cast into an aluminum body with tubular elements. The aluminum body serves as the heat transfer media between the tubular element and the coiled tube through which the fluid being heated passes through. The unique construction of the heater allows it to be used where thermally sensitive materials are being heated such as paints, resins and flammable materials such as fuels and solvents. The aluminum mass acts as a thermal flywheel and ensures accurate temperature control of the fluid to prevent degradation. The AST-X 2000 is available with optional explosion proof enclosure for use in flammable environments. The AST-X 2000 is well suited to applications where fluid cleanliness is critical because the material being heated never comes in contact with the heating elements. This is a performance requirement in the foodservice equipment, semiconductor and analytical markets. The AST-X 2000 heater comes with a heavy wall seamless stainless steel passageway that assures performance in high-pressure applications where viscous or mildly corrosive materials need to be heated. Features and enefits Fluid path independent of heater sheath Allows sensitive materials to be heated safely Prevents fluid contamination Robust cast-in aluminum construction Assures longer heater life Provides accurate temperature control Integrated thermostat and housing Assures easy use and installation Allows heater to run dry Provides protection in explosive environments Standard stainless steel fluid path Assures material compatibility with many different materials Non-welded construction Offers economical package price Minimizes potential leakage Allows high pressure operation Ensures self draining when mounted vertically Applications Solvent heating Diesel and jet fuel heating Glycol heating for heat transfer systems Sample heating - analytical instrumentation Steam generation Food and beverage heating - pasteurization Paint heating Two part urethane and foam system heating Air, O 2 and nitrogen Deionized (DI) water heating WATLOW 319

22 AST-X 2000 irculation Heaters Technical Information Wiring Interconnect either a single or double pole thermostat with a single-phase heater when the supply voltage does not exceed 277VÅ(ac) for SPST or 480VÅ(ac) for DPST Only interconnect three-phase delta heaters to DPST thermostats Use a single pole thermostat for pilot duty where the thermostat is not interconnected with the heater, or heater exceeds the volt/ampere rating. In single phase applications one, two, or three elements may be connected in parallel. If selected, high limit snap action thermostat should be used for pilot duty only. On the drawings on the next page, the dashed lines represent components or wiring supplied by the customer Standard Options NEMA 1, 4 and 7 enclosures with and without process thermostats Snap action high-limit thermostat Insulated body Process and high-limit thermocouples Non Standard Options ATEX explosion-proof enclosures Passivated or electropolished wetted surfaces ustom fittings and sensors Stand-off housing Specifications (4) 1 4 to 20, 1 2 in. (13 mm) deep mounting holes Tubing in. dia. x in. wall (13 x 1.7 mm) Wetted area SS seamless tubing Process tube length in. (3.81 m) NEMA 1 metal enclosure Up to 6000 W, 3-phase Max. working fluid pressure psi (344 ar) Max. working temperature range 200 F (93 ) to 350 F (177 ) depending on options Max. working temperature with stand-off housing is 500 F (260 ) Note: ontact your Watlow representative for other required sizes or options. onfigurable Enclosure / Thermostat Options Description S2 S5 W2 W5 E1 300A = 6000 W, 480V, 3-phase (Delta) = 2000 W, 480V, 3-phase (Wye) = 6000 W, 480V, 1-phase (3 elements) D = 4000 W, 480V, 1-phase (2 elements) E = 2000 W, 480V, 1-phase (1 element) F = 6000 W, 240V, 3-phase (Delta) G = 2000 W, 240V, 3-phase (Wye) H = 6000 W, 240V, 1-phase (3 elements) J = 4000 W, 240V, 1-phase (2 elements) K = 2000 W, 240V, 1-phase (1 element) L = 1500 W, 240V, 1-phase M = 1000 W, 240V, 1-phase Q = 4500 W, 208V, 3-phase (Delta) R = 1500 W, 208V, 3-phase (Wye) S = 4500 W, 208V, 1-phase T = 3000 W, 208V, 1-phase U = 1500 W, 208V, 1-phase N = 1500 W, 120V, 1-phase P = 1000 W, 120V, 1-phase WATLOW

23 AST-X 2000 irculation Heaters Technical Information (ontinued) Wiring Diagrams SPST, 1-Phase (1) SPST, 1-Phase (4) 1 L1 1 L1 SPST 1 L2 SPST 1 L2 120VÅ(ac) DPST, 1-Phase (5) 1 L1 DPST SPST, 3-Phase Delta (2) 1 L1 1 L2 1 L2 1 L3 DPST, 3-Phase Delta (6) SPST 1 L1 DPST 120VÅ(ac) 1 L2 1 L3 SPST, 3-Phase Wye (3) 1 L1 DPST, 3-Phase Wye (7) 1 L1 1 L3 1 L2 120VÅ(ac) SPST 1 L3 1 L2 120VÅ(ac) DPST Thermostat Ampacity Ratings Ampacity Line Voltage Description 120V 240V 277V 480V Single-pole single throw for NEMA 1 and 4 housings Double-pole single throw for NEMA 1 and 4 housings Single pole single throw for NEMA 7 housings High limit snap action, single pole single throw WATLOW 321

24 AST-X 2000 irculation Heaters Technical Information (ontinued) Pressure Drop-Water Pressure Drop (psi) Flow Rate (gpm) NEMA 1 Housing With Single-Pole Thermostat NEMA 4 Housing With Single/Double-Pole Thermostat 45 8 in. (117.5 mm) in. (96.4 mm) in. (166.7 mm) 4¼ in. (108 mm) in. (166.7 mm) 6 in. (152 mm) ¾ in. (19 mm) onduit Opening NEMA 1 Housing With Double-Pole Thermostat 5 (140 mm) 4 in. (102 mm) NEMA 4 Housing Without Thermostat ¾ in. (19 mm) onduit Opening 4 in. (102 mm) 2 in. (51 mm) ¾ in. (19.1 mm) onduit Opening 2 in. (51 mm) in. (20.6 mm) 322 WATLOW

25 AST-X 2000 irculation Heaters Technical Information (ontinued) NEMA 7 Housing With Single-Pole Thermostat 5.31 in. (135 mm) 7.48 in. (190 mm) 7 in. (178 mm) Dimensions ase AST-X ± 0.25 in. (26.9 ± 6 mm) 3 in. (76 mm) 2.94 in. (74.7 mm) (4) ¼ - 20 UN 3 8 in. DP in. (129 mm) (3X) 1 in in. (121 mm) 3.33 in. (85 mm) 3.38 in. (86 mm) 2.75 in. (70 mm) NEMA 7 Housing Without Thermostat 0.5 in. (13 mm) O.D. x in. (1.7 mm) wall tube in. ( mm) long 5.06 in. (129 mm) 5.31 in. (135 mm) 5.98 in. (152 mm) 5.5 in. (140 mm) 0.75 in. (19 mm) onduit Opening in. (117.5 mm) 2.63 in. (66.8 mm) (4X) 1 in in. (67 mm) 2.75 in. (70 mm) 13.5 in. (343 mm) 11.8 in. (299.7 mm) 10 in. (254 mm) 2 in. (51 mm) 0.7 in. (17.8 mm) 4.38 in. (111.3 mm) WATLOW 323

26 AST-X 2000 irculation Heaters Ordering Information To order, complete the code number to the right with the information below: X 1 3 J 4 G - - _ ase Description 0.5 in. (13 mm) O.D., inlet/outlet, in. (1.7 mm) wall seamless 316 SS tubing, NEMA 1 housing Heater Wattage 300A = 480V, 6000 W, 3-phase (Delta) 300 = 480V, 2000 W, 3-phase (Wye) 300 = 480V, 6000 W, 1-phase 300D = 480V, 4000 W, 1-phase 300E = 480V, 2000 W, 1-phase 300F = 240V, 6000 W, 3-phase (Delta) 300G = 240V, 2000 W, 3-phase (Wye) 300H = 240V, 6000W, 1-phase 300J = 240V, 4000 W, 1-phase 300K = 240V, 2000 W, 1-phase 300L = 240V, 1500 W, 1-phase 300M = 240V, 1000 W, 1-phase 300Q = 208V, 4500 W, 3-phase (Delta) 300R = 208V, 1500 W, 3-phase (Wye) 300S = 208V, 4500 W, 1-phase 300T = 208V, 3000 W, 1-phase 300N = 120V, 1500 W, 1-phase 300P = 120V, 1000 W, 1-phase Enclosures and Thermostats S2 = NEMA 1 housing with 30 to 250 F (-1 to 121 ) single-pole thermostat S5 = NEMA 1 housing with 60 to 250 F (16 to 121 ) double-pole thermostat W0 = NEMA 4 housing, no thermostat W2 = NEMA 4 housing with 30 to 250 F (-1 to 121 ) single-pole thermostat W5 = NEMA 4 housing with 60 to 250 F (16 to 121 ) double-pole thermostat WJ = NEMA 4 housing, with Type J process T/ in thermowell WK = NEMA 4 housing, with Type K process T/ in thermowell SJ = NEMA 1 housing, with Type J process T/ in thermowell SK = NEMA 1 housing, with Type K process T/ in thermowell EJ = NEMA 7 housing, with Type J process T/ in thermowell EK = NEMA 7 housing, with Type K process T/ in thermowell E0 = NEMA 7 housing, with no thermostat E1 = NEMA 7 housing, with 50 to 250 F (10 to 121 ) single-pole thermostat High Limit (Pilot Duty Only) 1 = Snap action high-limit set at 260 F (127 ) 2 = Snap action high-limit set at 500 F (260 ) Accessories ompression fitting Insulation jacket WATLOW

27 AST-X 3000 irculation Heaters The AST-X 3000 circulation heater from Watlow offers high flow volume at the required temperature through a single compact unit. The AST-X SERIES 3000 heater consists of two helical coiled tubes and tubular elements cast into an aluminum body. The aluminum body serves as the heat transfer media between the tubular element and the process tubes. The compact size of the heater is due to the cast-in construction which allows long heater life due to the elements being in contact with aluminum. Also, the use of heavy wall 316L seamless process tubing assures high reliability and high pressure operation. The AST-X 3000 is well suited to applications where indirect heating and fluid cleanliness is important. This is because the material being heated never comes in contact with the heating source. This is a critical performance requirement in many industries such as semiconductor, pharmaceutical, and food and beverage. Features and enefits Dual tube construction Water flows to 20 GPM when run in parallel apable of running one coil to heat and one to cool to maintain accurate temperature control quicker Fluid path independent of heater sheath Allows sensitive materials to be heated safely Prevents fluid contamination Robust cast-in aluminum construction Assures longer heater life Provides accurate temperature control Integrated thermostat and housing Permits ease of installation and use Allows heater to run dry Provides protection in an explosion environment Standard 316L stainless steel fluid path ompatible with different materials High-pressure application reliability Non-welded construction Offers economical package price Minimizes potential leakage High-pressure operation Self-draining when mounted vertically Applications Water and oil heating for food and beverage Steam generation and superheating for process applications Glycol and oil heating for heat transfer systems Deionized water heating for sterilization in food and beverage Air, O 2 and nitrogen heating Fuel and oil heating for test stands WATLOW 325

28 AST-X 3000 irculation Heaters Technical Information Wiring On the drawings below, the dashed lines represent components or wiring supplied by the customer Single-pole thermostats are intended for pilot duty only Use of a high-limit controller is highly recommended in addition to a thermostat Figure 1 (2) ircuits, 3-Phase Delta with Optional Pilot Duty Thermostat 1L1 1L3 120VÅ(ac) 2L3 SPST 2L1 1L2 2L2 Figure 3 (1) ircuit, 6 Element, 3-Phase Wye with Optional Pilot Duty Thermostat 1L1 Figure 2 (1) ircuit, 3-Phase Delta with Optional Pilot Duty Thermostat 1L1 1L3 120VÅ(ac) SPST 1L2 Figure 4 (1) ircuit, 6 Element, 3-Phase Delta with Optional Pilot Duty Thermostat 1L1 Wiring Schematics Description Figure Number I (Line) 300A 25.8kW 480V 2 delta circuits A kW 480V 3-phase delta A kW 480V 3-phase wye parallels A 300D 6.4kW 480V 3-phase delta (2R) 4 7.7A 300E 4.3kW 480V 1 circuit 5 9.0A 300F 4.3kW 480V 3-phase wye 6 5.2A 300G 16.2kW 380V 2 delta circuits A 300H 8.1kW 380V 3-phase delta A 300J 5.4kW 380V 3-phase wye parallels 3 8.2A 300K 4.0kW 380V 3-phase delta (2R) 4 6.2A 300L 2.7kW 380V 1 circuit 5 7.1A 300M 2.7kW 380V 3-phase wye 6 4.1A 300N 28.4kW 240V 2 delta circuits A 300P 14.2kW 240V 3-phase delta A 300Q 9.5kW 240V 3-phase wye parallels A 300R 7.1kW 240V 3-phase delta (2R) A 300S 4.7kW 240V 1 circuit A 300T 4.7kW 240V 3-phase wye A 300U 21.3kW 208V 2 delta circuits A 300V 10.6kW 208V 3-phase delta A 300W 7.1kW 208V 3-phase wye parallels A 300X 5.3kW 208V 3-phase delta (2R) A 300Y 3.5kW 208V 1 circuit A 300Z 3.5kW 208V 3-phase wye 6 9.9A Figure 5 (1) ircuit, 1 Element, Single-Phase with Optional Pilot Duty Thermostat 1L1 1L2 1L3 120VÅ(ac) 120VÅ(ac) SPST SPST 1L2 1L3 120VÅ(ac) Figure 6 (1) ircuit, 3-Phase Wye with Optional Pilot Duty Thermostat 1L1 1L3 120VÅ(ac) SPST SPST 1L2 1L2 Standard Options Single- or three-phase operation to 480V NEMA 4 or 7 housings with and without pilot duty process thermostat Process and high-limit thermocouples ATEX approved explosion proof housing Non Standard Options Passivated or electropolished wetted surfaces ustom fittings and sensors Specifications (4) 3 8 in. (9.5 mm) - 16 UN x 3 4 in. (19 mm) deep mounting holes Tubing (2) 3 4 in. (19 mm) dia. x in. (1.7 mm) wall Wetted area - 316L seamless SS tube Process tube length in. (3607 mm) per tube Max. working fluid pressure psi Max. working temperatures F (260 ) 326 WATLOW

29 AST-X 3000 irculation Heaters Technical Information (ontinued) Pressure Drop Pressure Drop - Air Assumes 100psi inlet pressure Values are for one tube only. Running tubes in parallel will have similar pressure drop and double the flow rate Values are approximate Pressure Drop (psi) SFM Air Flow Pressure Drop - Water Values are for one tube only. Running tubes in parallel will have similar pressure drop and double the flow rate Values are approximate Pressure Drop (psi) Flow Rate, Water (gpm) Explosion Proof Housing Without Thermostat (2) onduit Openings 1 in. Typ. NEMA 4 Housing With and Without Thermostat (2) ø1.093 Thru onduit Openings 1.5 in. (38 mm) 7.5 in. (191 mm) 7.5 in. (191 mm) 6.3 in. (160 mm) 6 in. (152 mm) 1.25 in. (32 mm) 7.5 in. (191 mm) 2.63 in. (67 mm) 5.75 in. (146 mm) 6.9 in. (175 mm) 1.9 in. (48 mm) 4.11 in. (104 mm) 2.25 in. (57 mm) WATLOW 327

30 AST-X 3000 irculation Heaters Technical Information (ontinued)g Dimensions - ase AST-X 3000 (4) UN X ¾ DP 5 in. (127 mm) 4.88 in. (124 mm) 4.75 in. (121 mm) 3 in. (76 mm) (2) 0.75 [19] O.D. x [1.7] Wall Tubes 140 in. (3556 mm) 6.3 in. (160 mm) Square ø1.09 in. (27.7 mm) Thru onduit Opening 4.16 in. (106 mm) 6.41 in. (163 mm) 14 in. (356 mm) 12 in. (305 mm) in. (438 mm) (44.7 mm) 0.75 in. (19 mm) 2 in. (51 mm) ø6.38 (162 mm) 328 WATLOW

31 AST-X 3000 irculation Heaters Ordering Information To order, complete the code number to the right with the information below: X 1 7 E 6 G - - _ ase Description (2) 3 4 in. (19 mm) O.D., in. (1.7 mm) wall, seamless 316 SS tubing Heater Wattage 300A = 25.8kW, 480V, 2 delta circuits 300 = 12.9kW, 480V, 3-phase delta 300 = 8.6kW, 480V, 3-phase wye parallels 300D = 6.4kW, 480V, 3-phase delta (2R) 300E = 4.3kW, 480V, 1 circuit 300F = 4.3kW, 480V, 3-phase wye 300G = 16.2kW, 380V, 2 delta circuits 300H = 8.1kW, 380V, 3-phase delta 300J = 5.4kW, 380V, 3-phase wye parallels 300K = 4.0kW, 380V, 3-phase delta (2R) 300L = 2.7kW, 380V, 1 circuit 300M = 2.7kW, 380V, 3-phase wye 300N = 28.4kW, 240V, 2 delta circuits 300P = 14.2kW, 240V, 3-phase delta 300Q = 9.5kW, 240V, 3-phase wye parallels 300R = 7.1kW, 240V, 3-phase delta (2R) 300S = 4.7kW, 240V, 1 circuit 300T = 4.7kW, 240V, 3-phase wye 300U = 21.3kW, 208V, 2 delta circuits 300V = 10.6kW, 208V, 3-phase delta 300W = 7.1kW, 208V, 3-phase wye parallels 300X = 5.3kW, 208V, 3-phase delta (2R) 300Y = 3.5kW, 208V, 1 circuit 300Z = 3.5kW, 208V, 3-phase wye Enclosures and Thermostats W00 = NEMA 4 housing, no thermostat W20 = NEMA 4 housing with 30 to 250 F (-1 to 121 ) single-pole thermostat W2J = NEMA 4 housing with 30 to 250 F (-1 to 121 ) single-pole thermostat and Type J T/ in thermowell W2K = NEMA 4 housing with 30 to 250 F (-1 to 121 ) single-pole thermostat and Type K T/ in thermowell W0J = NEMA 4 housing with Type J T/ in thermowell W0K = NEMA 4 housing with Type K process T/ in thermowell WJJ = NEMA 4 housing with Type J T/ for process and high-limit control WKK = NEMA 4 housing with Type K T/ for process and high-limit control E00 = NEMA 7 ATEX housing, no thermostat E0K = NEMA 7 ATEX housing with Type K process T/ in thermowell E0J = NEMA 7 ATEX housing with Type J process T/ in thermowell EJJ = NEMA 7 ATEX housing with Type J for process and high-limit control EKK = NEMA 7 ATEX housing with Type K for process and high-limit control Accessories High pressure compression fitting WATLOW 329

32 330 WATLOW

33 UNIVERSAL SOLVENT irculation Heaters The UNIVERSAL SOLVENT circulation heater from Watlow consists of a cylindrical-shaped cast part with helical coiled tubes and formed tubular heating elements cast-in. Three Type J thermocouples sense the solvent inlet, solvent outlet and casting core temperatures. The UNIVERSAL SOLVENT circulation heater operates at near 100 percent efficiency while reducing the risk of solvent contamination. The UNIVERSAL SOLVENT circulation heater provides a safe and efficient means of heating low flash point solvents. oth the heating elements and the solvent tube are cast into the aluminum. The heating elements provide heat to the aluminum mass and the mass transfers this heat to the tube carrying the solvent. The casting can also be surrounded by insulation to minimize heat loss and keep equipment cabinet temperatures low. A secondary chilled water tube is also cast-in. This tube quickly cools the casting for routine maintenance or lowers the solvent below the flash point. Safety features of Watlow s UNIVERSAL SOLVENT circulation heater include a NEMA 7 rated (explosion proof) enclosure box covering the electrical connections and a snap-action over temperature protection switch to provide safe shut down. The casting body is Teflon coated to protect the aluminum in case of accidental contact with solvents. The UNIVERSAL SOLVENT circulation heater is appropriate for numerous applications and may be customized to meet specific customer needs. Features and enefits Fluid path constructed independent from heater sheath Allows solvent to never be in contact with heater element Eliminates hot spots caused by poor flow or start up conditions ast aluminum construction Allows accurate process temperature control Provides rugged design and durability Higher reliability due to fewer components and nonwelded construction Ensures longer heater life Electrical enclosure constructed for hazardous environments Reduces risk of accidental combustion of solvent vapors WATLOW 316 SS passivated and electropolished solvent tube Provides material compatibility with most semiconductor solvents Ensures contamination resistant surface for heated solvent Assures higher reliability and cleanliness due to seamless tubing Operates to 1500psi or greater with appropriate fittings Enables economic high pressure operation Self draining construction Eliminates trapped material that may add contamination to the process Saves on operating time Agency ratings UL /SA recognized heater elements NEMA 7 lass 1, Div. 1 and 2, Groups, and D electrical enclosure Applications Semiconductor wet process OEMs Wafer cleaning equipment (wet bench systems) Post etch wet strip and photoresist removal applications Heating of low flash point solvents such as EK, AT and NMP 331

34 UNIVERSAL SOLVENT irculation Heaters Specifications Operating Temperatures Ambient to 392 F (200 ) Electrical 208 to 240VÅ(ac) and 6000 to 8000 W single-phase 208 to 480VÅ(ac) and 7500 W three-phase 316L SS Seamless Tubes 0.75 in. (19 mm) O.D., solvent tube - passivated and electropolished 0.25 in. (6 mm) O.D., cooling water tube Fitting onnections Flaretek or Swagelok VR fittings on solvent tube National Pipe Thread () or Swagelok VR fittings on cooling tube Optional Features Insulating jacket, max. temperature 400 F (204 ) ontact your Watlow representative for custom inquiries Sensors/Switches 2 cast-in Type J thermocouples sense solvent tube inlet and outlet temperatures 1 replaceable Type J thermocouple senses casting core temperature Mechanical snap action switches for over temperature protection asting Dimensions Height 8.5 in. (216 mm) Diameter 5.75 in. (146 mm) Dimensions above do not include tube fittings and mounting bosses Enclosure Dimensions Enclosure rated for lass 1, Div. 1 and 2, Groups, and D Height 5 in. (127 mm) Diameter 4.75 in. (121 mm) Teflon oated asting/anodized Electrical Enclosure Protects unit from accidental contact with corrosive process solvents Ordering Information To order, complete the code number on the right with the information below. X 8 J 5 N - - _ - _ - _ - _ ase Description 0.75 in. (19 mm) O.D. x in. (1.25 mm) wall, seamless 316 SS, passivated and electropolished solvent tube in. (6 mm) O.D. x in. (1.25 mm) wall, seamless 316 SS, cooling tube. NEMA 7, lass 1, Div. 1 and 2, Groups, and D rated electrical enclosure. Type J thermocouple sensors at casting core, solvent inlet and solvent outlet. High-limit, auto resetting snap-action switch. Heater Voltages and Wattage 100A = 208V, 8000 W, single-phase 100 = 240V, 8000 W, single-phase 100 = 208V, 6000 W, single-phase 100D = 240V, 6000 W, single-phase 100E = 208V, 7500 W, three-phase 100F = 240V, 7500 W, three-phase 100G = 380V, 7500 W, three-phase 100H = 480V, 7500 W, three-phase Solvent Fitting 1 = Flaretek 2 = Swagelok VR ooling Fitting 1 = female 2 = Swagelok VR High Limit Switch 1 = 212 F (100 ) 2 = 365 F (185 ) Accessories 0 = None 1 = Insulating jacket WATLOW

35 WATROD and FIREAR irculation Heaters irculation heaters provide a ready-made means to install electric heating with a minimal amount of time and labor. This is accomplished by combining heating elements, vessel, insulation, terminal enclosure, mounting brackets and inlet and outlet connections into a complete assembly. Made from screw plug or ANSI flange heater assemblies mated with a pressure vessel (tank), circulation heaters are designed to heat forced-circulation air, gases or liquids. Ideal for either in-line or side-arm operations, these assemblies direct fluids past FIREAR or WATROD heating elements, to deliver fast response and even heat distribution. Watlow can meet virtually all your circulation heater assembly needs with made-to-order units. Made-to-order units can be made from a wide range of heating element sheath materials, wattages, vessel sizes and materials, pressure ratings, terminal enclosures and controls. Performance apabilities Watt densities to 120 W/in 2 (18.6 W/cm 2 ) Wattages to three megawatts UL and SA component recognition to 600VÅ(ac) Ratings to ANSI lass 2500 pressure class Up to 3000psi design pressure Incoloy sheath temperatures to 1600 F (870 ) Passivated 316 stainless steel sheath temperatures to 1200 F (650 ) Steel sheath temperatures to 750 F (400 ) opper sheath temperatures to 350 F (175 ) Features and enefits Standard screw plugs and flanges Provides a wide selection of WATROD and FIREAR elements to meet specific application requirements Type Sizes (in.) Flange Assembly Threaded Pipe Outlet Jacket 1 in. (25 mm) Insulation Threaded Pipe Inlet Gasket Mounting Lugs Pressure Vessel FIREAR assemblies pack more wattage in a smaller heater bundle Replaces larger flanges with round tubular elements, with a smaller package ompacted MgO insulation filled elements Maximizes dielectric strength, heat transfer and life One inch (25 mm) thermal insulation rated to 750 F (400 ) Reduces heat loss from the vessel Heavy-guage steel jacket (shroud) Protects thermal insulation and heating vessel and comes with protective primer coating Screw Plugs 1 1 4, ANSI flanges 3, 4, 5, 6, 8, 10, 12, 14 ANSI 16.5 lass 150 on 4 or 6 inch FIREAR element flanges and 3 to 14 inch WATROD element flanges Meets recognized agency standards RAPID SHIP to 5 in. NPS assemblies will ship same day up to 5 pieces 4 in. NPS, 316 SS assemblies will ship next day up to 5 pieces 6 in. NPS assemblies will ship same day up to 2 pieces 6 in. NPS, 316 SS assemblies will ship next day up to 2 pieces 8 to 14 in. NPS assemblies will ship next day up to 2 pieces WATLOW 333

36 WATROD and FIREAR irculation Heaters Features and enefits (ontinued) All catalog units rated to ANSI pressure lass 150 Pressure vessels (tanks) are either carbon or 316 stainless steel or ANSI lass 150 nozzle connection Makes installation easy. Inlet and outlet nozzle connections are threaded M on 8 in. (203 mm) and smaller tanks. lass 150 flanged connections on 10 in. (254 mm) and larger tanks Mounting lugs are welded onto the tank wall of all in. (64 mm) and larger units Provides mounting support Flange mounting holes Straddles centerline to comply with industry standards Standard, general purpose (NEMA 1) terminal enclosures Offers easy access to terminal wiring UL and SA component recognition under file numbers E52951 and respectively Meets industry safety standards Applications Water: Deionized Demineralized lean Potable Process Industrial water rinse tanks Hydraulic oil, crude, asphalt Lubricating oils at API specified watt densities Heat transfer oil Paraffin austic cleaners Nitrogen, hydrogen and other air/gas systems Superheating steam Options Terminal Enclosures General purpose (NEMA 1) terminal enclosures, without thermostats, are supplied on all Watlow circulation heaters. Moisture and explosion resistant ratings are available to meet specific application needs. For screw plug terminal enclosures, refer to page 130. For flange terminal enclosures, refer to page 204. Stand-off Terminal Enclosures Stand-off terminal enclosures help protect terminal enclosures against excessive temperatures. For details, refer to page 201. SA ertified Enclosures To meet agency recognition requirements, SA certified moisture and/or explosion resistant terminal enclosures are available. ontact your Watlow representative for details. Thermostats To provide process temperature control, Watlow offers optional single- and double-pole thermostats. Thermostats are typically mounted in the terminal enclosure. Optional side mounting on vessel also available. See Screw Plug Immersion Heaters, page 130 and Flange Immersion Heaters, on page 204 for details. ranch ircuits ranch circuits are designed for 48 amperes per circuit maximum. ontact your Watlow representative for circuit requirements other than those listed in the stock charts. 334 WATLOW

37 WATROD and FIREAR irculation Heaters Options (ontinued) affles Thermocouples To sense process or element sheath temperature, ASTM Type J or K thermocouples are available. See Screw Plug Immersion Heaters, page 128 and Flange Immersion Heaters, on page 201 for details. Process Thermocouple in Nozzle (Must specify which nozzle) Direction of Flow affles mounted on the heating element bundle enhance and/or modify liquid or gas flow for better heat transfer. For critical sheath temperature and low flow conditions, baffles may be required. ontact your Watlow representative for details. Sheath Materials The following sheath materials are available on WATROD and FIREAR heating elements: Standard Sheath Materials WATROD Incoloy 316 SS Steel opper FIREAR Incoloy Made-to-Order Sheath Materials WATROD FIREAR 304 SS Monel 304 stainless steel Exotic Sheath Materials ontact your Watlow representative for details and availability. Wattages and Voltages Watlow routinely supplies circulation heaters with 120 to 480VÅ(ac) as well as wattages from 500 watts to one megawatt. If required, Watlow will configure circulation heaters with voltages and wattages outside these parameters. For more information on special voltage and wattage configurations, contact your Watlow representative. Ref T Ref. Ref. Dimension Tank Size Nozzle Size "A" For 10 in. (254 mm) and larger tanks contact your Watlow representative for dimension. WATLOW 335

38 WATROD and FIREAR irculation Heaters Options (ontinued) Pressure Vessels All standard pressure vessel (tank) materials are rated to 150 lb and made from: arbon steel 316 stainless steel All catalog pressure vessels (tanks) are steel unless otherwise noted. 316 stainless steel pressure vessels (tanks) are passivated on all wetted surfaces. Available from Assembly Stock on inch and 4 or 6 inch ANSI flange circulation heaters. Made-to-order units can be made in a variety of materials, flange sizes and pressure classes. To order, specify pressure vessel (tank) size, material and pressure class. Ratings to ANSI class 2500 pressure class are available for high-pressure applications. Passivated Finish For critical applications, passivation will remove free iron from all wetted surfaces. ontact your Watlow representative for details. Inlet Nozzle onnections All inlet and outlet materials are compatible with the pressure vessel material and pressure class rating. Vessel sizes from to 8 inches are typically configured with M (Male National Pipe Thread) nozzles. Optional and flange sizes can be supplied to mate with existing piping. 10 inch and larger vessels are supplied with lass 150 inlet and outlet flanges. Optional lass 300 or lass 600 can be provided to mate with existing piping. To order, specify type, size and pressure class rating for both inlet and outlet nozzle/flange connections. High Temperature Thermal Insulation To further minimize heat loss, the pressure vessel s standard one inch thermal insulation wrap may be replaced with thicker or higher temperature insulation. For more information, contact your Watlow representative. To order, specify insulation thickness, standard or high temperature insulation and temperature rating. Vessels may be supplied with a primer coating without insulation. To order, specify no insulation. Gaskets Rubber, asbestos-free and spiral wound gaskets are available for all heater flange, and inlet and outlet flange sizes. Watlow recommends ordering spares in case replacement becomes necessary. To order, specify gasket type, flange size/rating and process operating temperature. For details on gasket materials and temperature ratings, see page 202. Protective Steel Jacket (Shroud) To protect circulation heaters from weather or wash-down conditions, fully welded (weatherproof) or partially welded (standard) outer protective steel jackets are available. Standard steel, or made-to-order 304 or 316 stainless steel can be supplied. Jacket diameter is dependent upon thermal insulation thickness. To order, specify protective steel jacket, material type and weatherproof, if desired. Support Saddles To mate with an existing installation, customized support saddle(s) and/or mounting lugs are available. To order, specify mounting lugs or support saddles and supply a dimensional drawing. 336 WATLOW

39 WATROD and FIREAR irculation Heaters Technical Data Maximum Velocities The rate at which a gas or liquid flows through inlet and outlet pipes is critical to maintaining the desired output temperature. Pressure drop through the circulation heater must be considered to properly size blowers or pumps. The Maximum Velocity to Avoid Excessive Pressure Drop chart gives recommended maximum velocities, in feet per second and meters per second of gas or liquid being heated and nominal pipe size. Maximum Velocity to Avoid Excessive Pressure Drop Nominal Pipe Size Maximum Velocity Fluid in. ft/sec (m/sec) Gases All 200 (61.0) Liquid 4 and smaller 10 (3.0) Liquid (5.0) Liquid (6.0) Liquid (6.4) Liquid (7.0) Liquid (7.3) Vessel Orientation Guidelines orrectly orienting the heating vessel assures lower terminal enclosure temperatures and element immersion. Detailed instructions on vessel orientation are contained in the Installation and Maintenance Instructions that accompanies all circulation heaters. The following are guidelines for vessel orientation in liquid and gas heating applications. Liquids Orient circulation heater: Horizontally with inlet and outlet pipes pointing up Vertically with the terminal enclosure up and the inlet pipe on the bottom These orientations ensure the heating elements will be immersed at all times and help prevent premature failure. Air or Gases Orient circulation heater: Horizontally with the inlet nozzle closest to the terminal enclosure Vertically with terminal enclosure at the bottom of the tank. Use the nozzle nearest the bottom as the inlet connection If installation constraints do not allow mounting in accordance with these guidelines, contact your Watlow representative. WATLOW 337

40 WATROD and FIREAR irculation Heaters Technical Data (ontinued) Application Hints Select the recommended heating element sheath material and watt density for the substance being heated. Use the Supplemental Applications hart on pages 667 to 674. If unable to determine the correct heating element type and material, contact your Watlow representative. Assure selecting proper vessel by considering the pressure or flow rate, process temperature and corrosiveness of the media being heated. If assistance with vessel selection is required, contact your Watlow representative. For maintenance/replacement procedures, retain an area twice the circulation heater s overall length to permit easy removal and inspection of screw plug or flange heater assemblies. hoose a FIREAR assembly when you require: A smaller package More kilowatts or lower watt density in an equally sized WATROD circulation tank. Minimize problems associated with low flow or low liquid level conditions with a low liquid level sensor and/or sheath high-limit control. Ensure wiring integrity by making sure terminal enclosure temperature does not exceed 400 F (205 ). Size power feeder wires in accordance with national electrical code guidelines and other applicable codes Protect against electrical shock by properly grounding the unit per NE requirements. One or more circulation heaters may be connected in series to achieve the desired total kilowatt or temperature output. 338 WATLOW

41 WATROD and FIREAR irculation Heaters Application: lean Water 5 WATROD or FIREAR elements Without thermostat General purpose enclosure # ode Ship Wt. "A" Dim. "" Dim. "" Dim. Description Volts kw Ph irc. Number Del. lbs (kg) inch Screw Plug (WATROD) 60 W/in / E15A6S RS 23 (11) (625.5) 15 (381) (79.4) 2-opper E19A10S RS 29 (14) (625.5) 15 (381) (79.4) Elements E23J10S RS 29 (14) (828.7) 23 (584) 3 (76.0) (9.3 W/cm 2 ) E27J10S RS 31 (14) (828.7) 23 (584) 3 (76.0) inch Screw Plug (WATROD) 60 W/in L714L3S RS 24 (11) (881) (572) (419) 3-opper L714L5S RS 24 (11) (881) (572) (419) Elements L717L3S RS 24 (11) (881) (572) (419) (9.3 W/cm 2 ) L717L5S RS 24 (11) (881) (572) (419) L720L3S RS 26 (12) (881) (572) (419) L720L5S RS 26 (12) (881) (572) (419) L7263S RS 27 (13) (1135) (1129) (673) L7265S RS 27 (13) (1135) (1129) (673) L731L3S RS 29 (14) (1135) (1129) (673) L731L5S RS 29 (14) (1135) (1129) (673) L7373S RS 30 (14) (1453) 45 (1143) 39 (991) L7375S RS 30 (14) (1453) 45 (1143) 39 (991) 4 Wired for higher voltage RAPID SHIP RS - Same day shipment up to 5 pieces 5 When steel vessel materials are used in this application, some rust may be present in the process media inch Screw Plug in. Ref. (163.5 mm) ¾ in. Inlet inch Screw Plug (FIREAR) 90 W/in DNF7R10S RS 26 (12) (625.5) 15 (381) (79.4) 1-Incoloy DNF7R11S RS 26 (12) (625.5) 15 (381) (79.4) Elements DNF11G10S RS 26 (12) (625.5) 15 (381) (79.4) (14 W/cm 2 ) DNF11G11S RS 26 (12) (625.5) 15 (381) (79.4) Ref DNF16G3S RS 26 (12) (625.5) 15 (381) (79.4) DNF16G5S RS 26 (12) (625.5) 15 (381) (79.4) 4 in DNF19G3S RS 30 (14) (828.7) 23 (584) 3 (76.0) (102 mm) DNF19G5S RS 30 (14) (828.7) 23 (584) 3 (76.0) DNF24L3S RS 31 (14) (828.7) 23 (584) 3 (76.0) DNF24L5S RS 31 (14) (828.7) 23 (584) 3 (76.0) 3¾ in DNF29R3S RS 43 (20) (1082.7) 32 (813) 4 (102.0) (95 mm) DNF29R5S RS 43 (20) (1082.7) 32 (813) 4 (102.0) DNF34R3S RS 44 (20) (1082.7) 32 (813) 4 (102.0) inch Screw Plug DNF34R5S RS 44 (20) (1082.7) 32 (813) 4 (102.0) DNF45G3S RS 69 (32) (1616.1) 53 (1346) 4 (102.0) in. Ref. (182.6 mm) in DNF45G5S RS 69 (32) (1616.1) 53 (1346) 4 (102.0) (284.2 mm) DNF55R5S RS 71 (33) (1616.1) 53 (1346) 4 (102.0) 1 in. Inlet in. (125.4 mm) 1¼ in. (32 mm) Ref in. (142.9 mm) 43 8 in. (111.1 mm) 31 8 in. (79.4 mm) WATLOW 339

42 WATROD and FIREAR irculation Heaters Application: lean Water 5 WATROD or FIREAR elements Without thermostat General purpose enclosure # ode Ship Wt. "A" Dim. "" Dim. "" Dim. Description Volts kw Ph irc. Number Del. lbs (kg) inch Screw Plug (FIREAR) 90 W/in LNF153S RS 22 (10) (881) (572) (419) 3-Incoloy LNF155S RS 22 (10) (881) (572) (419) Elements LNF183S RS 23 (11) (881) (572) (419) (14 W/cm 2 ) LNF185S 3 RS 23 (11) (881) (572) (419) LNF235S RS 31 (14) (881) (572) (419) LNF28L5S RS 34 (16) (1135) (1129) (673) LNF33L5S RS 35 (16) (1135) (1129) (673) inch Screw Plug in. Ref. (182.6 mm) in. (284.2 mm) 1 in. Inlet 1¼ in. (32 mm) 3 inch lb ANSI Flange (WATROD) 60 W/in in FM715J10S RS 66 (30) (894) (573) (419) (125.4 mm) 3-opper FM715J3S RS 66 (30) (894) (573) (419) Elements FM715J11S RS 66 (30) (894) (573) (419) (9.3 W/cm 2 ) FM715J5S RS 66 (30) (894) (573) (419) FM721J10S RS 70 (32) (894) (573) (419) FM721J3S RS 70 (32) (894) (573) (419) 43 8 in FM721J11S RS 70 (32) (894) (573) (419) (111.1 mm) FM721J5S RS 70 (32) (894) (573) (419) 3 inch lb ANSI Flange FM727A3S RS 80 (37) (1148) (826) (673) FM727A11S RS 80 (37) (1148) (826) (673) FM727A5S RS 80 (37) (1148) (826) (673) FM732J3S RS 96 (44) (1148) (826) (673) FM732J11S RS 96 (44) (1148) (826) (673) FM732J5S RS 96 (44) (1148) (826) (673) in. Ref. (195.3 mm) FM738A3S RS 98 (45) (1465) 45 (1143) 39 (991) 1 in FM738A11S RS 98 (45) (1465) 45 (1143) 39 (991) Inlet & Outlet FM738A5S RS 98 (45) (1465) 45 (1143) 39 (991) RAPID SHIP RS - Same day shipment up to 5 pieces 3 Wired for 3-phase operation only 5 When steel vessel materials are used in this application, some rust may be present in the process media 8 an be wired for 1-phase operation UN 31 8 in. Dia. (79.4 mm) Ref. Ref in. (142.9 mm) 31 8 in. (79.4 mm) 43 8 in. (111.1 mm) 11 Ref. (292 mm) 1¼ in. (32 mm) (2 Places) 55 8 in. Ref. (142.9 mm) 340 WATLOW

43 WATROD and FIREAR irculation Heaters Application: lean Water 5 WATROD or FIREAR elements Without thermostat General purpose enclosure # ode Ship Wt. "A" Dim. "" Dim. "" Dim. Description Volts kw Ph irc. Number Del. lbs (kg) 4 inch lb ANSI Flange (WATROD) 60 W/in FO715J10S RS 124 (57) 39 (989) (521) 17 (432) 6-opper FO715J3S RS 124 (57) 39 (989) (521) 17 (432) Elements FO715J11S RS 124 (57) 39 (989) (521) 17 (432) (9.3 W/cm 2 ) FO715J5S RS 124 (57) 39 (989) (521) 17 (432) FO721J10S RS 127 (58) 39 (989) (521) 17 (432) FO721J3S RS 127 (58) 39 (989) (521) 17 (432) FO721J11S RS 127 (58) 39 (989) (521) 17 (432) FO721J5S RS 127 (58) 39 (989) (521) 17 (432) FO727A10S RS 160 (73) (1256) 31 (787) (699) FO727A3S RS 160 (73) (1256) 31 (787) (699) FO727A11S RS 160 (73) (1256) 31 (787) (699) FO727A5S RS 160 (73) (1256) 31 (787) (699) FO732J3S RS 163 (74) (1256) 31 (787) (699) FO732J11S RS 163 (74) (1256) 31 (787) (699) FO732J5S RS 163 (74) (1256) 31 (787) (699) FO738A3S RS 229 (104) (1789) 52 (1321) (1232) FO738A11S RS 229 (104) (1789) 52 (1321) (1232) FO738A5S RS 229 (104) (1789) 52 (1321) (1232) FO751A5S RS 234 (107) (1789) 52 (1321) (1232) FO760J5S S 297 (135) (2326) 73 (1854) 66 (1676) RAPID SHIP RS - Same day shipment up to 5 pieces S - Standard, 10 day lead time 5 When steel vessel materials are used in this application, some rust may be present in the process media 4 inch lb ANSI Flange 1 Inlet UN in. Ref. (320.7 mm) in. (93.7 mm) in. (147.6 mm) in. Ref. (365.1 mm) 1¼ in. (32 mm) (2 Places) 65 8 in. (168.3 mm) WATLOW 341

44 WATROD and FIREAR irculation Heaters Application: lean Water 5 WATROD or FIREAR elements Without thermostat General purpose enclosure # ode Description Volts kw Ph irc. Number 5 inch lb ANSI Flange (WATROD) 60 W/in 2 6-opper Elements (9.3 W/cm 2 ) Del Ship Wt. lbs (kg) "A" Dim. "" Dim. "" Dim FN727A10S RS 140 (64) (1249.0) 30 (762) (378.8) FN727A3S RS 140 (64) (1249.0) 30 (762) (378.8) FN727A11S RS 140 (64) (1249.0) 30 (762) (378.8) FN727A5S RS 140 (64) (1249.0) 30 (762) (378.8) FN732J3S RS 142 (65) (1249.0) 30 (762) (378.8) FN732J11S RS 142 (65) (1249.0) 30 (762) (378.8) FN732J5S RS 142 (65) (1249.0) 30 (762) (378.8) FN738A3S RS 160 (73) (1427.0) 37 (940) (473.1) FN738A11S RS 160 (73) (1427.0) 37 (940) (473.1) FN738A5S RS 160 (73) (1427.0) 37 (940) (473.1) FN751A5S RS 180 (82) (1719.0) (1232) 25 (633.0) FN760J5S S 190 (87) (2060.6) (1572) (784.2) 5 inch lb ANSI Flange (WATROD) 60 W/in 2 9-opper Elements (9.3 W/cm 2 ) FN727A3XS RS 145 (66) (1249.0) 30 (762) (378.8) FN727A11XS RS 145 (66) (1249.0) 30 (762) (378.8) FN727A5XS RS 145 (66) (1249.0) 30 (762) (378.8) FN732J3XS RS 147 (67) (1249.0) 30 (762) (378.8) FN732J11XS RS 147 (67) (1249.0) 30 (762) (378.8) FN732J5XS RS 147 (67) (1249.0) 30 (762) (378.8) FN738A3XS RS 166 (76) (1427.0) 37 (940) (473.1) FN738A11XS RS 166 (76) (1427.0) 37 (940) (473.1) FN738A5XS RS 166 (76) (1427.0) 37 (940) (473.1) FN751A5XS RS 188 (86) (1719.0) (1232) 25 (633.0) FN760J5XS S 200 (91) (2060.6) (1572) (784.2) 6 inch lb ANSI Flange (WATROD) 60 W/in FP715G10S RS 212 (97) (1027) (521) 17 (432) FP715G3S RS 212 (97) (1027) (521) 17 (432) 12-opper FP715G11S RS 212 (97) (1027) (521) 17 (432) Elements FP715G5S RS 212 (97) 40 1 (9.3 W/cm 2 2 (1027) (521) 17 (432) ) FP721G10S RS 217 (99) (1027) (521) 17 (432) FP721G3S RS 217 (99) (1027) (521) 17 (432) FP721G11S RS 217 (99) (1027) (521) 17 (432) FP721G5S RS 217 (99) (1027) (521) 17 (432) FP726R3S RS 222 (101) 51 (1294) 31 (787) (699) FP726R11S RS 222 (101) 51 (1294) 31 (787) (699) FP726R5S RS 222 (101) 51 (1294) 31 (787) (699) FP732G3S RS 288 (131) 51 (1294) 31 (787) (699) FP732G11S RS 288 (131) 51 (1294) 31 (787) (699) FP732G5S RS 288 (131) 51 (1294) 31 (787) (699) FP737R3S RS 290 (132) 72 (1827) 52 (1321) (1232) FP737R5S RS 290 (132) 72 (1827) 52 (1321) (1232) FP750R5S RS 298 (136) 72 (1827) 52 (1321) (1232) FP760G5S S 360 (164) 93 (2361) 73 (1854) 66 (1676) RAPID SHIP RS - Same day shipment up to 5 pieces S - Standard, 10 day lead time 5 When steel vessel materials are used in this application, some rust may be present in the process media 5 inch lb ANSI Flange in. Ref. (320.7 mm) 2 in. Inlet UN UN 4¼ in. (108 mm) 2 Inlet 4¾ in. (121 mm) in. Ref. (141.3 mm) 18 Ref. (470 mm) 1¼ in. (32 mm) (2 Places) 75 8 in. (193.7 mm) 6 inch lb ANSI Flange 65 8 in. Ref. (168.3 mm) in. Ref. (322.3 mm) 342 WATLOW in. Ref. (366.7 mm) 3 (89 mm) (2 Places) 8¾ in. (222 mm)

45 WATROD and FIREAR irculation Heaters Application: lean Water 5 WATROD or FIREAR elements Without thermostat General purpose enclosure # Description Volts kw Ph irc. ode Number Del Ship Wt. lbs (kg) "A" Dim. "" Dim. "" Dim. 6 inch lb ANSI Flange (WATROD) 60 W/in FP715G10XS RS 215 (98) (1027) (521) 17 (432) 15-opper FP715G3XS RS 215 (98) (1027) (521) 17 (432) Elements FP715G11XS RS 215 (98) (1027) (521) 17 (432) (9.3 W/cm 2 ) FP715G5XS RS 215 (98) (1027) (521) 17 (432) FP721G10XS RS 223 (102) (1027) (521) 17 (432) FP721G3XS RS 223 (102) (1027) (521) 17 (432) FP721G11XS RS 223 (102) (1027) (521) 17 (432) FP721G5XS RS 223 (102) (1027) (521) 17 (432) FP726R3XS RS 226 (103) 51 (1294) 31 (787) (699) FP726R11XS RS 226 (103) 51 (1294) 31 (787) (699) FP726R5XS RS 226 (103) 51 (1294) 31 (787) (699) FP732G3XS RS 288 (131) 51 (1294) 31 (787) (699) FP732G11XS RS 288 (131) 51 (1294) 31 (787) (699) FP732G5XS RS 288 (131) 51 (1294) 31 (787) (699) FP737R3XS RS 296 (134) 72 (1827) 52 (1321) (1232) FP737R5XS RS 296 (134) 72 (1827) 52 (1321) (1232) FP750R5XS RS 306 (139) 72 (1827) 52 (1321) (1232) FP760G5XS S 370 (168) 93 (2361) 73 (1854) 66 (1676) 6 inch lb ANSI Flange in. Ref. (322.3 mm) UN 2 Inlet 4¾ in. (121 mm) 65 8 in. Ref. (168.3 mm) 8 inch lb ANSI Flange in. Ref. (366.7 mm) 3 (89 mm) (2 Places) 8¾ in. (222 mm) 8 inch lb ANSI Flange (WATROD) 60 W/in FR721N3S RS 340 (155) (1199.0) (627.0) (538.0) 18-opper FR721N11S RS 340 (155) (1199.0) (627.0) (538.0) Elements FR721N5S RS 340 (155) (1199.0) (627.0) (538.0) (7.5 W/cm 2 ) FR729N3S RS 360 (164) (1402.0) (830.0) (741.0) FR729N5S RS 360 (164) (1402.0) (830.0) (741.0) FR737E3S RS 385 (175) (1580.0) (1008.0) (919.0) FR737E5S RS 385 (175) (1580.0) (1008.0) (919.0) FR745E3S RS 410 (186) (1774.8) (1203.3) (1114.4) FR745E5S RS 410 (186) (1774.8) (1203.3) (1114.4) FR752N5S RS 440 (200) (2016.1) (1444.6) (1355.7) FR760N5S RS 465 (211) (2244.7) (1673.2) (1584.3) FR768E5S RS 510 (232) (2498.7) (1927.2) (1838.3) RAPID SHIP RS - Next day shipment up to 2 pieces S - Standard, (10) day lead time 5 When steel vessel materials are used in this application, some rust may be present in the process media in. Ref. (373.1 mm) UN 2 Inlet 5¾ in. (146 mm) 75 8 in. (193.7 mm) 14 Ref. (368 mm) 3 (89 mm) (2 Places) 10¾ in. (273 mm) WATLOW 343

46 WATROD and FIREAR irculation Heaters Application: Deionized or Demineralized Water WATROD or FIREAR elements Without thermostat General purpose enclosure # ode Ship Wt. "A" Dim. "" Dim. "" Dim. Description Volts kw Ph irc. Number Del. lbs (kg) inch Screw Plug (WATROD) 60 W/in LR714L3S RS 24 (11) (881) (572) (419) 316 SS Tank LR714L5S RS 24 (11) (881) (572) (419) SS LR717L3S RS 24 (11) (881) (572) (419) Elements LR717L5S RS 24 (11) (881) (572) (419) (9.3 W/cm 2 ) Passivated LR720L3S RS 26 (12) (881) (572) (419) LR720L5S RS 26 (12) (881) (572) (419) LR7263S RS 27 (13) (1135) (1129) (673) LR7265S RS 27 (13) (1135) (1129) (673) LR731L3S RS 29 (14) (1135) (1129) (673) LR731L5S RS 29 (14) (1135) (1129) (673) LR7373S RS 30 (14) (1453) 45 (1143) 39 (991) LR7375S RS 30 (14) (1453) 45 (1143) 39 (991) inch Screw Plug in. Ref. (182.6 mm) in. (284.2 mm) 1 in. Inlet in. (125.4 mm) 1¼ in. (32 mm) Ref in. (142.9 mm) 4 inch lb ANSI Flange (WATROD) 60 W/in FOR716A10S RS 124 (57) 39 (989) (521) 17 (432) 316 SS Tank FOR716A3S RS 124 (57) 39 (989) (521) 17 (432) SS FOR716A11S RS 124 (57) 39 (989) (521) 17 (432) Elements FOR716A5S RS 124 (57) 39 (989) (521) 17 (432) (9.3 W/cm 2 ) Passivated FOR722A10S RS 127 (58) 39 (989) (521) 17 (432) FOR722A3S RS 127 (58) 39 (989) (521) 17 (432) FOR722A11S RS 127 (58) 39 (989) (521) 17 (432) FOR722A5S RS 127 (58) 39 (989) (521) 17 (432) FOR727J10S RS 160 (73) (1256) 31 (787) (699) FOR727J3S RS 160 (73) (1256) 31 (787) (699) FOR727J11S RS 160 (73) (1256) 31 (787) (699) FOR727J5S RS 160 (73) (1256) 31 (787) (699) FOR733A3S RS 163 (74) (1256) 31 (787) (699) FOR733A11S RS 163 (74) (1256) 31 (787) (699) FOR733A5S RS 163 (74) (1256) 31 (787) (699) FOR738J3S RS 229 (104) (1789) 52 (1321) (1232) FOR738J11S RS 229 (104) (1789) 52 (1321) (1232) FOR738J5S RS 229 (104) (1789) 52 (1321) (1232) FOR751J5S RS 234 (107) (1789) 52 (1321) (1232) FOR761A5S RS 297 (135) (2326) 73 (1854) 66 (1676) RAPID SHIP RS - Next day shipment up to 5 pieces in. Ref. (320.7 mm) 1 Inlet UN in. (93.7 mm) 43 8 in. (111.1 mm) 31 8 in. (79.4 mm) 4 inch lb ANSI Flange in. (147.6 mm) in. Ref. (365.1 mm) 1¼ in. (32 mm) (2 Places) 65 8 in. (168.3 mm) 344 WATLOW

47 WATROD and FIREAR irculation Heaters Application: Deionized or Demineralized Water WATROD or FIREAR elements Without thermostat General purpose enclosure # ode Ship Wt. "A" Dim. "" Dim. "" Dim. 6 inch lb ANSI Flange Description Volts kw Ph irc. Number Del. lbs (kg) 6 inch lb ANSI Flange (WATROD) 60 W/in FPR715N10S RS 212 (97) (1027) (521) 17 (432) 316 SS Tank FPR715N3S RS 212 (97) SS 2 (1027) (521) 17 (432) Elements FPR715N11S RS 212 (97) (1027) (521) 17 (432) in. Ref. (9.3 W/cm 2 ) FPR715N5S RS 212 (97) (1027) (521) 17 (432) (322.3 mm) Passivated FPR721N10S RS 217 (99) (1027) (521) 17 (432) FPR721N3S RS 217 (99) (1027) (521) 17 (432) 2 Inlet FPR721N11S RS 217 (99) (1027) (521) 17 (432) FPR721N5S RS 217 (99) (1027) (521) 17 (432) FPR727E3S RS 222 (101) 51 (1294) 31 (787) (699) FPR727E11S RS 222 (101) 51 (1294) 31 (787) (699) FPR727E5S RS 222 (101) 51 (1294) 31 (787) (699) FPR732N3S RS 226 (103) 51 (1294) 31 (787) (699) UN FPR732N11S RS 226 (103) 51 (1294) 31 (787) (699) FPR732N5S RS 226 (103) 51 (1294) 31 (787) (699) FPR738E3S RS 290 (132) 72 (1827) 52 (1321) (1232) FPR738E5S RS 290 (132) 72 (1827) 52 (1321) (1232) 4¾ in. (121 mm) FPR751E5S RS 298 (136) 72 (1827) 52 (1321) (1232) FPR760N5S RS 360 (164) 93 (2361) 73 (1854) 66 (1676) 65 8 in. Ref. (168.3 mm) in. Ref. (366.7 mm) 3 (89 mm) (2 Places) 8¾ in. (222 mm) 6 inch lb ANSI Flange (WATROD) 60 W/in FPR715N10XS RS 215 (98) (1027) (521) 17 (432) 316 SS Tank FPR715N3XS RS 215 (98) SS 2 (1027) (521) 17 (432) Elements FPR715N11XS RS 215 (98) (1027) (521) 17 (432) (9.3 W/cm 2 ) FPR715N5XS RS 215 (98) (1027) (521) 17 (432) Passivated FPR721N10XS RS 223 (102) (1027) (521) 17 (432) FPR721N3XS RS 223 (102) (1027) (521) 17 (432) FPR721N11XS RS 223 (102) (1027) (521) 17 (432) FPR721N5XS RS 223 (102) (1027) (521) 17 (432) FPR727E3XS RS 226 (103) 51 (1294) 31 (787) (699) FPR727E11XS RS 226 (103) 51 (1294) 31 (787) (699) FPR727E5XS RS 226 (103) 51 (1294) 31 (787) (699) FPR732N3XS RS 288 (131) 51 (1294) 31 (787) (699) FPR732N11XS RS 288 (131) 51 (1294) 31 (787) (699) FPR732N5XS RS 288 (131) 51 (1294) 31 (787) (699) FPR738E3XS RS 296 (135) 72 (1827) 52 (1321) (1232) FPR738E5XS RS 296 (135) 72 (1827) 52 (1321) (1232) FPR751E5XS RS 306 (139) 72 (1827) 52 (1321) (1232) FPR760N5XS RS 370 (168) 93 (2361) 73 (1854) 66 (1676) RAPID SHIP RS - Next day shipment up to 2 pieces WATLOW 345

48 WATROD and FIREAR irculation Heaters Application: Process Water 5 WATROD or FIREAR elements Without thermostat General purpose enclosure # ode Ship Wt. "A" Dim. "" Dim. "" Dim. Description Volts kw Ph irc. Number Del. lbs (kg) inch Screw Plug (FIREAR) 45 W/in DNF13A27S RS 25 (12) (625.5) 15 (381) (79.4) DNF15J27S RS 26 (12) 24 1-Incoloy 8 (625.5) 15 (381) (79.4) Element DNF18A27S RS 30 (14) (828.7) 23 (584) 3 (76.0) (7 W/cm 2 ) DNF22J27S RS 31 (14) (828.7) 23 (584) 3 (76.0) DNF22J28S RS 31 (14) (828.7) 23 (584) 3 (76.0) DNF27J27S RS 43 (20) (1082.7) 32 (813) 4 (102.0) DNF27J28S RS 43 (20) (1082.7) 32 (813) 4 (102.0) DNF32J27S RS 44 (20) (1082.7) 32 (813) 4 (102.0) DNF32J28S RS 44 (20) (1082.7) 32 (813) 4 (102.0) DNF42A27S RS 69 (32) (1616.1) 53 (1346) 4 (102.0) DNF42A28S RS 69 (32) (1616.1) 53 (1346) 4 (102.0) DNF51J27S RS 71 (33) (1616.1) 53 (1346) 4 (102.0) DNF51J28S RS 71 (33) (1616.1) 53 (1346) 4 (102.0) inch Screw Plug in. Ref. (163.5 mm) ¾ in. Inlet Ref. 4 in. (102 mm) inch Screw Plug (WATROD) 48 W/in LN717G3S RS 24 (11) (881) (572) (419) LN717G5S RS 24 (11) 34 3-Incoloy 4 (881) (572) (419) Elements LN719R3S RS 26 (12) (881) (572) (419) (7.5 W/cm 2 ) LN719R5S RS 26 (12) (881) (572) (419) LN724R3S RS 27 (13) (881) (572) (419) LN724R5S RS 27 (13) (881) (572) (419) LN732G3S RS 29 (14) (1135) (1129) (673) LN732G5S RS 29 (14) (1135) (1129) (673) LN739R3S RS 31 (14) (1453) 45 (1143) 39 (991) LN739R5S RS 31 (14) (1453) 45 (1143) 39 (991) LN747G3S RS 32 (15) (1453) 45 (1143) 39 (991) LN747G5S RS 32 (15) (1453) 45 (1143) 39 (991) inch Screw Plug (FIREAR) 45 W/in LNF12A27S RS 21 (10) (881) (572) (419) LNF14J27S RS 22 (10) 34 3-Incoloy 4 (881) (572) (419) (7 W/cm 2 ) LNF17A27S RS 23 (11) (881) (572) (419) LNF21J27S RS 31 (14) (881) (572) (419) LNF21J28S RS 31 (14) (881) (572) (419) LNF26J27S RS 34 (16) (1135) (1129) (673) LNF26J28S RS 34 (16) (1135) (1129) (673) LNF31J27S RS 35 (16) (1135) (1129) (673) LNF31J28S RS 35 (16) (1135) (1129) (673) LNF41A28S RS 44 (20) (1453) 45 (1143) 39 (991) LNF50J28S RS 52 (24) (1618) (1308) (1181) 8 an be wired for 1-phase operation RAPID SHIP 5 When steel vessel materials are used in this RS - Same day shipment up to 5 pieces application, some rust may be present in the process media 3¾ in. (95 mm) inch Screw Plug in. Ref. (182.6 mm) in. (284.2 mm) 1 in. Inlet in. (125.4 mm) 1¼ in. (32 mm) 346 WATLOW Ref in. (142.9 mm) 43 8 in. (111.1 mm) 31 8 in. (79.4 mm)

49 WATROD and FIREAR irculation Heaters Application: Process Water 5 WATROD or FIREAR elements Without thermostat General purpose enclosure # ode Description Volts kw Ph irc. Number 3 inch lb ANSI Flange (WATROD) 48 W/in 2 3-Incoloy Elements (7.5 W/cm 2 ) Del. Ship Wt. lbs (kg) "A" Dim. "" Dim. "" Dim FMN718A10S RS 68 (31) (894) (573) (419) FMN718A3S RS 68 (31) (894) (573) (419) FMN718A11S RS 68 (31) (894) (573) (419) FMN718A5S RS 68 (31) (894) (573) (419) FMN720J10S RS 70 (32) (894) (573) (419) FMN720J3S RS 70 (32) (894) (573) (419) FMN720J11S RS 70 (32) (894) (573) (419) FMN720J5S RS 70 (32) (894) (573) (419) FMN725J10S RS 78 (36) (1148) (826) (673) FMN725J3S RS 78 (36) (1148) (826) (673) FMN725J11S RS 78 (36) (1148) (826) (673) FMN725J5S RS 78 (36) (1148) (826) (673) FMN733A3S RS 96 (44) (1148) (826) (673) FMN733A11S RS 96 (44) (1148) (826) (673) FMN733A5S RS 96 (44) (1148) ) (673) FMN740J3S RS 100 (46) (1465) 45 (1143) 39 (991) FMN740J11S RS 100 (46) (1465) 45 (1143) 39 (991) FMN740J5S RS 100 (46) (1465) 45 (1143) 39 (991) FMN748A3S RS 107 (49) (1465) 45 (1143) 39 (991) FMN748A11S RS 107 (49) (1465) 45 (1143) 39 (991) FMN748A5S RS 107 (49) (1465) 45 (1143) 39 (991) 4 inch lb ANSI Flange (WATROD) 48 W/in FON713J10S RS 122 (56) 39 (989) (521) 17 (432) FON713J3S RS 122 (56) 39 (989) (521) 17 (432) 6-Incoloy FON713J11S RS 122 (56) 39 (989) (521) 17 (432) Elements FON713J5S RS 122 (56) 39 (989) (521) 17 (432) (7.5 W/cm 2 ) FON718A10S RS 125 (57) 39 (989) (521) 17 (432) FON718A3S RS 125 (57) 39 (989) (521) 17 (432) FON718A11S RS 125 (57) 39 (989) (521) 17 (432) FON718A5S RS 125 (57) 39 (989) (521) 17 (432) FON720J10S RS 127 (58) 39 (989) (521) 17 (432) FON720J3S RS 127 (58) 39 (989) (521) 17 (432) FON720J11S RS 127 (58) 39 (989) (521) 17 (432) FON720J5S RS 127 (58) 39 (989) (521) 17 (432) FON725J10S RS 160 (73) 39 (989) (521) 17 (432) FON725J3S RS 160 (73) 39 (989) (521) 17 (432) FON725J11S RS 160 (73) 39 (989) (521) 17 (432) FON725J5S RS 160 (73) 39 (989) (521) 17 (432) FON733A10S RS 163 (74) (1256) 31 (787) (699) FON733A3S RS 163 (74) (1256) 31 (787) (699) FON733A11S RS 163 (74) (1256) 31 (787) (699) FON733A5S RS 163 (74) (1256) 31 (787) (699) FON740J3S RS 229 (104) (1789) 52 (1321) (1232) FON740J11S RS 229 (104) (1789) 52 (1321) (1232) FON740J5S RS 229 (104) (1789) 52 (1321) (1232) FON748A3S RS 234 (107) (1789) 52 (1321) (1232) FON748A11S RS 234 (107) (1789) 52 (1321) (1232) FON748A5S RS 234 (107) (1789) 52 (1321) (1232) RAPID SHIP RS - Next day shipment up to 2 pieces 5 When steel vessel materials are used in this application, some rust may be present in the process media 3 inch lb ANSI Flange in. Ref. (195.3 mm) UN 1 in. Inlet & Outlet 31 8 in. Dia. (79.4 mm) Ref in. (111.1 mm) 4 inch lb ANSI Flange in. Ref. (320.7 mm) 1 Inlet UN in. (93.7 mm) 11 Ref. (292 mm) 1¼ in. (32 mm) (2 Places) 55 8 in. Ref. (142.9 mm) in. (147.6 mm) in. Ref. (365.1 mm) 1¼ in. (32 mm) (2 Places) 65 8 in. (168.3 mm) WATLOW 347

50 WATROD and FIREAR irculation Heaters Application: Process Water 5 WATROD or FIREAR elements Without thermostat General purpose enclosure # ode Ship Wt. "A" Dim. "" Dim. "" Dim. 4 inch lb ANSI Flange Description Volts kw Ph irc. Number Del. lbs (kg) 4"-150# in. FLANGE (147.6 mm) 4 inch lb ANSI Flange (FIREAR) 45 W/in FONF13G27S RS 125 (57) 39 (989) (521) 17 (432) ½ 6-Incoloy FONF16A27S RS 128 (58) 39 (989) 20 1 in. 2 (521) 17 (432) Elements FONF18G27S RS 130 (59) 39 (989) (521) 17 (432) (7 W/cm 2 ) FONF22R27S RS 133 (61) 39 (989) (521) 17 (432) in. Ref in. Ref. (320.7 mm) (365.1 mm) FONF22R28S RS 133 (61) 39 (989) (521) 17 (432) FONF27R27S RS 168 (77) (1256) 31 (787) (699) FONF27R28S RS 168 (77) (1256) 31 (787) (699) Inlet FONF32R27S RS 170 (78) (1256) 31 (787) (699) FONF32R28S RS 170 (78) (1256) 31 (787) (699) 1¼ in FONF42G28S RS 236 (107) (1789) 52 (1321) 48 1 (32 mm) 2 (1232) (2 Places) UN FONF51R28S RS 240 (109) (1789) 52 (1321) 48 1 in. 2 (1232) (168.3 mm) 5 inch lb ANSI Flange (WATROD) 48 W/in FNN733A10S RS 145 (66) (1249) 30 (762) (377.8) 6-Incoloy FNN733A3S RS 145 (66) (1249) 30 (762) (377.8) 5"-150# Elements FNN733A11S RS 145 (66) (1249) 30 (762) 14 FLANGE 7 8 (377.8) (7.5 W/cm 2 ) FNN733A5S RS 145 (66) (1249) 30 (762) (377.8) FNN740J3S RS 167 (76) (1427) 37 (940) (473.1) FNN740J11S RS 167 (76) (1427) 37 (940) (473.1) FNN740J5S RS 167 (76) (1427) 37 (940) (473.1) FNN748A3S RS 180 (82) (1719) (1232) 25 (633.0) FNN748A11S RS 180 (82) (1719) (1232) 25 (633.0) FNN748A5S RS 180 (82) (1719) (1232) 25 (633.0) 5 inch lb ANSI Flange (WATROD) 48 W/in FNN733A3XS RS 150 (68) (1249) 30 (762) (377.8) 9-Incoloy FNN733A11XS RS 150 (68) (1249) 30 (762) (377.8) Elements FNN733A5XS RS 150 (68) (1249) 30 (762) (377.8) (7.5 W/cm 2 ) FNN740J3XS RS 173 (79) (1427) 37 (940) (473.1) FNN740J11XS RS 173 (79) (1427) 37 (940) (473.1) FNN740J5XS RS 173 (79) (1427) 37 (940) (473.1) FNN748A3XS RS 188 (86) (1719) (1232) 25 (633.0) FNN748A11XS RS 188 (86) (1719) (1232) 25 (633.0) FNN748A5XS RS 188 (86) (1719) "-150# (1232) 25 (633.0) RAPID SHIP RS - Same day shipment up to 5 pieces in. Ref. (141.3 mm) 5 inch lb ANSI Flange in. Ref. (141.3 mm) in. Ref. (320.7 mm) 18 ½ Ref. in. (470 mm) 2 in. Inlet and in. Outlet Ref. (320.7 mm) 2 in. Inlet UN 4¼ in UN (108 mm) 4¼ in. (108 mm) 18 Ref. (470 mm) 1¼ in. (32 mm) (2 Places) 75 8 in. (193.7 mm) 1¼ in. (32 mm) (2 Places) 75 8 in. (193.7 mm) 65 8 in. Ref. (168.3 mm) 348 WATLOW FLANGE 5 When steel vessel materials are used in this application, some rust may be present in the process media in. (93.7 mm) in. Ref. (322.3 mm) 2 Inlet in. Ref. (366.7 mm)

51 WATROD and FIREAR irculation Heaters Application: Process Water 5 WATROD or FIREAR elements Without thermostat General purpose enclosure # ode Description Volts kw Ph irc. Number 6 inch lb ANSI Flange (WATROD) 48 W/in 2 12-Incoloy Elements (7.5 W/cm 2 ) Del. Ship Wt. lbs (kg) "A" Dim. "" Dim. "" Dim FPN713G10S RS 212 (97) (1027) (521) 17 (432) FPN713G3S RS 212 (97) (1027) (521) 17 (432) FPN713G11S RS 212 (97) (1027) (521) 17 (432) FPN713G5S RS 212 (97) (1027) (521) 17 (432) FPN717R10S RS 214 (97) (1027) (521) 17 (432) FPN717R3S RS 214 (97) (1027) (521) 17 (432) FPN717R11S RS 214 (97) (1027) (521) 17 (432) FPN717R5S RS 214 (97) (1027) (521) 17 (432) FPN720G10S RS 217 (99) (1027) (521) 17 (432) FPN720G3S RS 217 (99) (1027) (521) 17 (432) FPN720G11S RS 217 (99) (1027) (521) 17 (432) FPN720G5S RS 217 (99) (1027) (521) 17 (432) FPN725G10S RS 222 (101) (1027) (521) 17 (432) FPN725G3S RS 222 (101) (1027) (521) 17 (432) FPN725G11S RS 222 (101) (1027) (521) 17 (432) FPN725G5S RS 222 (101) (1027) (521) 17 (432) FPN732R3S RS 226 (103) 51 (1294) 31 (787) (699) FPN732R11S RS 226 (103) 51 (1294) 31 (787) (699) FPN732R5S RS 226 (103) 51 (1294) 31 (787) (699) FPN740G3S RS 290 (132) 72 (1827) 52 (1321) (1232) FPN740G11S RS 290 (132) 72 (1827) 52 (1321) (1232) FPN740G5S RS 290 (132) 72 (1827) 52 (1321) (1232) FPN747R3S RS 298 (136) 72 (1827) 52 (1321) (1232) FPN747R5S RS 298 (136) 72 (1827) 52 (1321) (1232) 6 inch lb ANSI Flange 65 8 in. Ref. (168.3 mm) in. Ref. (322.3 mm) UN 2 Inlet 4¾ in. (121 mm) in. Ref. (366.7 mm) 3 (89 mm) (2 Places) 8¾ in. (222 mm) 6 inch lb ANSI Flange (WATROD) 48 W/in FPN713G10XS RS 215 (98) (1027) (521) 17 (432) FPN713G3XS RS 215 (98) (1027) (521) 17 (432) 15-Incoloy FPN713G11XS RS 215 (98) (1027) (521) 17 (432) Elements FPN713G5XS RS 215 (98) (1027) (521) 17 (432) (7.5 W/cm 2 ) FPN717R10XS RS 217 (99) (1027) (521) 17 (432) FPN717R3XS RS 217 (99) (1027) (521) 17 (432) FPN717R11XS RS 217 (99) (1027) (521) 17 (432) FPN717R5XS RS 217 (99) (1027) (521) 17 (432) FPN720G10XS RS 223 (102) (1027) (521) 17 (432) FPN720G3XS RS 223 (102) (1027) (521) 17 (432) FPN720G11XS RS 223 (102) (1027) (521) 17 (432) FPN720G5XS RS 223 (102) (1027) (521) 17 (432) FPN725G10XS RS 226 (103) (1027) (521) 17 (432) FPN725G3XS RS 226 (103) (1027) (521) 17 (432) FPN725G11XS RS 226 (103) (1027) (521) 17 (432) FPN725G5XS RS 226 (103) (1027) (521) 17 (432) FPN732R3XS RS 288 (131) 51 (1294) 31 (787) (699) FPN732R11XS RS 288 (131) 51 (1294) 31 (787) (699) FPN732R5XS RS 288 (131) 51 (1294) 31 (787) (699) FPN740G3XS RS 296 (135) 72 (1827) 52 (1321) (1232) FPN740G11XS RS 296 (135) 72 (1827) 52 (1321) (1232) FPN740G5XS RS 296 (135) 72 (1827) 52 (1321) (1232) FPN747R3XS RS 306 (139) 72 (1827) 52 (1321) (1232) FPN747R5XS RS 306 (139) 72 (1827) 52 (1321) (1232) RS - Same day shipment up to 2 pieces 5 When steel vessel materials are used in this RAPID SHIP application, some rust may be present in the process media WATLOW 349

52 WATROD and FIREAR irculation Heaters Application: Process Water 5 WATROD or FIREAR elements Without thermostat General purpose enclosure # ode Ship Wt. "A" Dim. "" Dim. "" Dim. Description Volts kw Ph irc. Number Del. lbs (kg) 6 inch lb ANSI Flange (FIREAR) 45 W/in FPNF13G27S RS 217 (99) (1027) (521) 17 (432) FPNF16A27S RS 220 (100) Incoloy 2 (1027) (521) 17 (432) Elements FPNF18G27S RS 223 (102) (1027) (521) 17 (432) (7 W/cm 2 ) FPNF22R27S RS 226 (103) (1027) (521) 17 (432) FPNF22R28S RS 226 (103) (1027) (521) 17 (432) FPNF27R27S RS 232 (106) 51 (1294) 31 (787) (699) FPNF27R28S RS 232 (106) 51 (1294) 31 (787) (699) FPNF32R27S RS 236 (107) 51 (1294) 31 (787) (699) FPNF32R28S RS 236 (107) 51 (1294) 31 (787) (699) FPNF42G28S RS 304 (138) 72 (1827) 52 (1321) (1232) FPNF51R28S RS 314 (143) 72 (1827) 52 (1321) (1232) 8 inch lb ANSI Flange (WATROD) 48 W/in FRN726D3XS RS 358 (163) (1402.0) (830.0) (741.0) FRN726D11XS RS 358 (163) Incoloy 4 (1402.0) (830.0) (741.0) Elements FRN726D5XS RS 358 (163) (1402.0) (830.0) (741.0) (7.5 W/cm 2 ) FRN736D3XS RS 392 (178) (1580.0) (1008.0) (919.0) FRN736D5XS RS 392 (178) (1580.0) (1008.0) (919.0) FRN744M3XS RS 425 (193) (1774.8) (1203.3) (1114.4) FRN744M5XS RS 425 (193) (1774.8) (1203.3) (1114.4) FRN754M3XS RS 463 (210) (2016.1) (1444.6) (1355.7) FRN754M5XS RS 463 (210) (2016.1) (1444.6) (1355.7) FRN763M5XS RS 511 (232) (2244.7) (1673.2) (1584.3) FRN773D5XS RS 554 (252) (2498.7) (1927.2) (1838.3) FRN782M5XS RS 587 (267) (2498.7) (1927.2) (1838.3) RAPID SHIP RS - Next day shipment up to 2 pieces 6 inch lb ANSI Flange in. Ref. (322.3 mm) UN 2 Inlet 65 8 in. Ref. (168.3 mm) 8 inch lb ANSI Flange (WATROD) 48 W/in FRN725N3S RS 350 (159) (1402.0) (830.0) (741.0) FRN725N11S RS 350 (159) Incoloy 4 (1402.0) (830.0) (741.0) Elements FRN725N5S RS 350 (159) (1402.0) (830.0) (741.0) 4¾ in. (121 mm) (7.5 W/cm 2 ) FRN735N3S RS 380 (173) (1580.0) (1008.0) (919.0) FRN735N5S RS 380 (173) (1580.0) (1008.0) (919.0) 8 inch lb ANSI Flange FRN744E3S RS 410 (186) (1774.8) (1203.3) (1114.4) FRN744E5S RS 410 (186) (1774.8) "-150# 8 (1203.3) (1114.4) FRN754M3S RS 445 (202) (2016.1) 56 7 FLANGE 8 (1444.6) (1355.7) FRN754M5S RS 445 (202) (2016.1) (1444.6) (1355.7) FRN763M5S RS 490 (223) (2244.7) (1673.2) (1584.3) FRN773D5S RS 530 (241) (2498.7) (1927.2) (1838.3) FRN782M5S RS 560 (254) (2498.7) (1927.2) (1838.3) in. Ref. (373.1 mm) 5 When steel vessel materials are used in this application, some rust may be present in the process media in. Ref. (366.7 mm) 350 Flange WATLOW Holes 10"-150# FLANGE UN 3 in. Inlet & Outlet 2 Inlet 5¾ in. (146 mm) 11 3 (89 mm) (2 Places) 8¾ in. (222 mm) 75 8 in. (193.7 mm) 14 Ref. (368 mm) 3 (89 mm) (2 Places) 10¾ in. (273 mm) in. (328.6 mm) (2) ¾ -10 UN 2

53 WATROD and FIREAR irculation Heaters Application: Process Water 5 WATROD or FIREAR elements Without thermostat General purpose enclosure Description Volts kw Ph # irc. ode Number Del. Ship Wt. lbs (kg) "A" Dim. 12"-150# FLANGE "" Dim. 5 in. Flange "" Inlet Dim. & Outlet 10 inch lb ANSI Flange (WATROD) 48 W/in FSN773E5S S 600 (273) (2708.3) (2308.2) (2479.7) in. Ref. (411.2 mm) 27-Incoloy Elements (7.5 W/cm 2 ) 14 in. (356 mm) (2) ¾ -10 UN 2 Holes in. Ref. (230.2 mm) 12 inch, 150 lb ANSI Flange (WATROD) 48 W/in 2 36-Incoloy Elements (7.5 W/cm 2 ) FTN7735S S 650 (295) (2705) (2295.5) (2475) 14 inch lb ANSI Flange (WATROD) 48 W/in FWN754J5S S 600 (273) (2115) 67 (1700) 74 (1880) FWN763J5S S 650 (295) Incoloy 3 4 (2305) (1891) (2070) Elements (7.5 W/cm 2 ) S - Standard, 10 day lead time 10 inch lb ANSI Flange 3 in. Flange Inlet & Outlet 11 (292 mm) 15¾ in. Ref. (400 mm) in. (328.6 mm) (2) ¾ -10 UN 2 Holes 9 in. Ref. (229 mm) 5 When steel vessel materials are used in this application, some rust may be present in the process media 8 an be wired for 1-phase operation 5 in. Flange Inlet & Outlet in. Ref. (411.2 mm) 14"-150# (2) ¾ -10 FLANGE UN 2 Holes in. Ref. (230.2 mm) in. (377.8 mm) 12 (318 mm) (13 mm) 12 inch lb ANSI Flange 14 inch lb ANSI Flange 15 in. 14 in. (381 mm) (356 mm) 6 in. Flange Inlet & Outlet in. Ref. (414.3 mm) 11 (292 mm) 7 8 in. (22.2 mm) X 2 in. (51 mm) Slot 4 (2) ¾ -10 UN 2 Holes 9¼ in. Ref. (235 mm) in. (327 mm) (13 mm) 7 8 in. (22.2 mm) X 2 in. (51 mm) Slot in. (377.8 mm) (13 mm) 7 8 in. (22.2 mm) X 2 in. (51 mm) Slot 3 (89 mm) in. (410 mm) (13 mm) 7 8 in. (22.2 mm) X 2 in. (51 mm) Slot (318 mm) 12 (318 mm) 12 (318 mm) WATLOW 351

54 WATROD and FIREAR irculation Heaters Application: Forced Air and austic Solutions WATROD or FIREAR elements Without thermostat General purpose enclosure # ode Ship Wt. "A" Dim. "" Dim. "" Dim. Description Volts kw Ph irc. Number Del. lbs (kg) inch Screw Plug (WATROD) 23 W/in / EN13G6S RS 21 (10) (625.5) 15 (381) (79.4) 2-Incoloy 120/ EN19A6S RS 29 (14) (625.5) 15 (381) (79.4) Elements (3.6 W/cm 2 ) 120/ EN24G6S RS 29 (14) (828.7) 23 (584) 3 (76.0) inch Screw Plug (WATROD) 23 W/in LNA17G3S RS 24 (11) (881) (572) (419) 3-Incoloy LNA17G5S RS 24 (11) (881) (572) (419) Elements LNA24R3S RS 27 (13) (1135) (1129) (673) (3.6 W/cm 2 ) LNA24R5S RS 27 (13) (1135) (1129) (673) LNA32G3S RS 29 (14) (1135) (1129) (673) LNA32G5S RS 29 (14) (1135) (1129) (673) LNA39R3S RS 31 (14) (1453) 45 (1143) 39 (991) LNA39R5S RS 31 (14) (1453) 45 (1143) 39 (991) LNA47G3S RS 32 (15) (1453) 45 (1143) 39 (991) LNA47G5S RS 32 (15) (1453) 45 (1143) 39 (991) 4 Wired for higher voltage RAPID SHIP RS - Same day shipment up to 5 pieces inch Screw Plug in. Ref. (163.5 mm) ¾ in. Inlet Ref. 4 in. (102 mm) 3¾ in. (95 mm) inch Screw Plug in. Ref. (182.6 mm) in. (284.2 mm) 1 in. Inlet 1¼ in. (32 mm) in. (125.4 mm) Ref in. (142.9 mm) 31 8 in. (79.4 mm) 43 8 in. (111.1 mm) 352 WATLOW

55 WATROD and FIREAR irculation Heaters Application: Forced Air and austic Solutions WATROD or FIREAR elements Without thermostat General purpose enclosure # ode Ship Wt. "A" Dim. "" Dim. "" Dim. 3 inch lb ANSI Flange Description Volts kw Ph irc. Number Del. lbs (kg) 3 inch lb ANSI Flange (WATROD) 23 W/in FMNA18A10S RS 68 (31) (894) (573) (419) 3-Incoloy FMNA18A3S RS 68 (31) (894) (573) (419) Elements FMNA18A11S RS 68 (31) (894) (573) (419) (3.6 W/cm 2 in. Ref. ) FMNA18A5S RS 68 (31) (894) (573) (419) (195.3 mm) FMNA25J10S RS 78 (36) (1148) (826) (673) 1 in FMNA25J3S RS 78 (36) (1148) (826) 26 1 Inlet 2 (673) & Outlet FMNA25J11S RS 78 (36) (1148) (826) (673) FMNA25J5S RS 78 (36) (1148) (826) (673) FMNA33A10S RS 96 (44) (1148) (826) (673) FMNA33A3S RS 96 (44) (1148) (826) (673) UN FMNA33A11S RS 96 (44) (1148) (826) (673) FMNA33A5S RS 96 (44) (1148) (826) (673) 31 8 in. Dia. (79.4 mm) Ref FMNA40J10S RS 100 (46) (1465) 45 (1143) 39 (991) FMNA40J3S RS 100 (46) (1465) 45 (1143) 39 (991) FMNA40J11S RS 100 (46) (1465) 45 (1143) 39 (991) FMNA40J5S RS 100 (46) (1465) 45 (1143) 39 (991) FMNA48A10S RS 107 (49) (1465) 45 (1143) 39 (991) FMNA48A3S RS 107 (49) (1465) 45 (1143) 39 (991) FMNA48A11S RS 107 (49) (1465) 45 (1143) 39 (991) FMNA48A5S RS 107 (49) (1465) 45 (1143) 39 (991) RAPID SHIP RS - Same day shipment up to 5 pieces 43 8 in. (111.1 mm) 11 Ref. (292 mm) 1¼ in. (32 mm) (2 Places) 55 8 in. Ref. (142.9 mm) WATLOW 353

56 WATROD and FIREAR irculation Heaters Application: Forced Air and austic Solutions WATROD or FIREAR elements Without thermostat General purpose enclosure # ode Ship Wt. "A" Dim. "" Dim. "" Dim. 4 inch lb ANSI Flange Description Volts kw Ph irc. Number Del. lbs (kg) in. 4 inch lb ANSI Flange (WATROD) (147.6 mm) 23 W/in FONA18A10S RS 125 (57) 39 (989) "-150# (521) 17 (432) in FONA18A3S RS 125 (57) 39 (989) FLANGE (521) 17 (432) (147.6 mm) 6-Incoloy Elements (3.6 W/cm 2 ) FONA18A11S RS 125 (57) 39 (989) (521) 17 (432) FONA18A5S RS 125 (57) 39 (989) (521) 17 (432) FONA25J10S RS 160 (73) 39 (989) (521) 17 (432) FONA25J3S RS 160 (73) 39 (989) (521) 17 (432) FONA25J11S RS 160 (73) 39 (989) (521) 17 (432) FONA25J5S RS 160 (73) 39 (989) (521) 17 (432) FONA33A10S RS 163 (74) (1256) 31 (787) (699) FONA33A3S RS 163 (74) (1256) 31 (787) (699) FONA33A11S RS 163 (74) (1256) 31 (787) (699) FONA33A5S RS 163 (74) (1256) 31 (787) (699) FONA40J10S RS 229 (104) (1789) 52 (1321) (1232) FONA40J3S RS 229 (104) (1789) 52 (1321) (1232) FONA40J11S RS 229 (104) (1789) 52 (1321) (1232) FONA40J5S RS 229 (104) (1789) 52 (1321) (1232) FONA48A10S RS 234 (107) (1789) 52 (1321) (1232) FONA48A3S RS 234 (107) (1789) 52 (1321) (1232) FONA48A11S RS 234 (107) (1789) 52 (1321) (1232) FONA48A5S RS 234 (107) (1789) 52 (1321) (1232) FONA64J3S RS 298 (136) (2326) 73 (1854) 66 (1676) FONA64J11S RS 298 (136) (2326) 73 (1854) 66 (1676) FONA64J5S RS 298 (136) (2326) 73 (1854) 66 (1676) FONA77A3S RS 306 (139) (2326) 73 (1854) 5"-150# 66 (1676) FONA77A11S RS 306 (139) (2326) 73 (1854) FLANGE 66 (1676) FONA77A5S RS 306 (139) (2326) 73 (1854) 66 (1676) 5 inch lb ANSI Flange (WATROD) 23 W/in FNNA25J10S RS 140 (64) (1249.0) 30 (762.0) (377.8) FNNA25J3S RS 140 (64) (1249.0) 30 (762.0) (377.8) 6-Incoloy FNNA25J11S RS 140 (64) (1249.0) 30 (762.0) (377.8) Elements FNNA25J5S RS 140 (64) (1249.0) 30 (762.0) (377.8) (3.6 W/cm 2 ) FNNA33A10S RS 145 (66) (1427.0) 37 (940.0) (473.1) FNNA33A3S RS 145 (66) (1427.0) 37 (940.0) (473.1) FNNA33A11S RS 145 (66) (1427.0) 37 (940.0) (473.1) FNNA33A5S RS 145 (66) (1427.0) 37 (940.0) (473.1) FNNA40J10S RS 167 (76) (1427.0) 37 (940.0) (473.1) FNNA40J3S RS 167 (76) (1427.0) 37 (940.0) (473.1) FNNA40J11S RS 167 (76) (1427.0) 37 (940.0) (473.1) FNNA40J5S RS 167 (76) (1427.0) 37 (940.0) (473.1) FNNA48A10S RS 180 (82) (1719.0) (1232.0) 25 (633.0) FNNA48A3S RS 180 (82) (1719.0) (1232.0) 25 (633.0) FNNA48A11S RS 180 (82) (1719.0) (1232.0) 25 (633.0) FNNA48A5S RS 180 (82) (1719.0) (1232.0) 25 (633.0) FNNA64J3S RS 195 (89) (2060.6) (1571.6) (784.2) FNNA64J11S RS 195 (89) (2060.6) (1571.6) (784.2) FNNA64J5S RS 195 (89) (2060.6) (1571.6) (784.2) FNNA77A3S RS 220 (100) (2390.8) 75 (1902.0) 38 (964.0) FNNA77A11S RS 220 (100) (2390.8) 75 (1902.0) 6"-150# 38 (964.0) FNNA77A5S RS 220 (100) (2390.8) 75 (1902.0) FLANGE 38 (964.0) 6 an be wired 3-phase wye to produce RAPID SHIP 1 3 of the rated kw and watt density RS - Same day shipment up to 5 pieces in. Ref. (320.7 Inlet mm) 1 Inlet UN in. Ref. (320.7 mm) in (93.7 UN mm) in. (93.7 mm) 5 inch lb ANSI Flange in. Ref. (320.7 mm) 2 in. Inlet UN 4¼ in. (108 mm) in. Ref. (365.1 mm) in. Ref. WATLOW (322.3 mm) in. Ref. (365.1 mm) 1¼ in. (32 mm) (2 Places) 65 8 in. (168.3 mm) 1¼ in. (32 mm) (2 Places) 65 8 in. (168.3 mm) in. Ref. (141.3 mm) 18 Ref. (470 mm) 1¼ in. (32 mm) (2 Places) 75 8 in. (193.7 mm) 65 8 in. Ref. (168.3 mm) in. Ref. (366.7 mm)

57 4"-150# FLANGE in. (147.6 mm) irculation Heaters in. Ref. (320.7 mm) in. Ref. (365.1 mm) WATROD and FIREAR irculation Heaters 1 Inlet Application: Forced Air and austic Solutions WATROD or FIREAR elements Without thermostat General purpose enclosure Description Volts kw # Ph irc. ode Number 5 inch lb ANSI Flange (WATROD) 23 W/in Incoloy Elements (3.6 W/cm 2 ) WATLOW Del. Ship Wt. lbs (kg) "A" Dim FNNA25J10XS RS 145 (66) (1249.0) 30 (762.0) (377.8) FNNA25J3XS RS 145 (66) (1249.0) 30 (762.0) (377.8) FNNA25J11XS RS 145 (66) (1249.0) 30 (762.0) (377.8) FNNA25J5XS RS 145 (66) (1249.0) 30 (762.0) (377.8) FNNA33A10XS RS 150 (68) (1427.0) 37 (940.0) (473.1) FNNA33A3XS RS 150 (68) (1427.0) 37 (940.0) (473.1) FNNA33A11XS RS 150 (68) (1427.0) 37 (940.0) (473.1) FNNA33A5XS RS 150 (68) (1427.0) 37 (940.0) (473.1) FNNA40J10XS RS 174 (79) (1427.0) 37 (940.0) (473.1) FNNA40J3XS RS 174 (79) (1427.0) 37 (940.0) (473.1) FNNA40J11XS RS 174 (79) (1427.0) 37 (940.0) (473.1) FNNA40J5XS RS 174 (79) (1427.0) 37 (940.0) (473.1) 1¼ 1¼ in. in FNNA48A10XS RS 189 (86) (1719.0) (1232.0) 25 (633.0) (32 (32 mm) mm) FNNA48A3XS RS 189 (86) (1719.0) (1232.0) 25 (633.0) (2 Places) (2 Places) FNNA48A11XS RS 189 (86) (1719.0) (1232.0) 25 (633.0) UN UN in. in FNNA48A5XS RS 189 (86) (1719.0) (1232.0) 25 (633.0) (193.7 (193.7 mm) mm) FNNA64J3XS RS 207 (94) (2060.6) (1571.6) (784.2) FNNA64J11XS RS 207 (94) (2059.0) (1571.6) (784.2) FNNA64J5XS RS 207 (94) (2059.0) (1571.6) (784.2) FNNA77A3XS RS 233 (106) (2389.0) 75 (1902.0) 38 (964.0) 4¼ 4¼ in. in. (108 mm) FNNA77A11XS RS 233 (106) (2389.0) 75 (1902.0) 38 (964.0) (108 mm) FNNA77A5XS RS 233 (106) (2389.0) 75 (1902.0) 38 (964.0) 6 inch lb ANSI Flange 6 inch lb ANSI Flange (WATROD) 23 W/in FPNA17R10S RS 214 (97) (1027) 206"-150# 1 2 (521) 17 (432) FPNA17R3S RS 214 (97) FLANGE (1027) (521) 17 (432) 12-Incoloy FPNA17R11S RS 214 (97) (1027) (521) 17 (432) Elements FPNA17R5S RS 214 (97) (1027) (521) 17 (432) (3.6 W/cm 2 ) FPNA25G10S RS 222 (101) (1027) (521) 17 (432) FPNA25G3S RS 222 (101) (1027) (521) 17 (432) FPNA25G11S RS 222 (101) (1027) (521) 17 (432) FPNA25G5S RS 222 (101) (1027) (521) 17 (432) FPNA32R10S RS 226 (103) 51 (1294) 31 (787) (699) FPNA32R3S RS 226 (103) 51 (1294) 31 (787) (699) FPNA32R11S RS 226 (103) 51 (1294) 31 (787) (699) FPNA32R5S RS 226 (103) 51 (1294) 31 (787) (699) FPNA40G10S RS 290 (132) 72 (1827) 52 (1321) (1232) FPNA40G3S RS 290 (132) 72 (1827) 52 (1321) (1232) FPNA40G11S RS 290 (132) 72 (1827) 52 (1321) (1232) FPNA40G5S RS 290 (132) 72 (1827) 52 (1321) (1232) FPNA47R10S RS 298 (136) 72 (1827) 52 (1321) (1232) FPNA47R3S RS 298 (136) 72 (1827) 52 (1321) (1232) FPNA47R11S RS 298 (136) 72 (1827) 52 (1321) (1232) FPNA47R5S RS 298 (136) 72 (1827) 52 (1321) (1232) FPNA64G3S RS 360 (164) 93 (2361) 73 (1854) 66 (1676) FPNA64G11S RS 360 (164) 93 (2361) 73 (1854) 66 (1676) FPNA64G5S RS 360 (164) 93 (2361) 73 (1854) 66 (1676) FPNA76R3S RS 368 (167) 93 (2361) 73 (1854) 66 (1676) FPNA76R11S RS 368 (167) 93 (2361) 73 (1854) 66 (1676) FPNA76R5S RS 368 (167) 93 (2361) 73 (1854) 66 (1676) 6 an be wired 3-phase wye to produce RAPID SHIP 1 3 of the rated kw and watt density RS - Same day shipment up to 5 pieces "" Dim. "" Dim. 5 inch lb ANSI Flange in. Ref. 5"-150# in. Ref. (141.3 (141.3 mm) mm) FLANGE UN in. (93.7 mm) in. in. Ref. Ref. (320.7 (320.7 mm) mm) 2 in. 2 in. Inlet Inlet and Outlet in. Ref. (322.3 mm) UN 2 Inlet 4¾ in. (121 mm) 1¼ in. (32 mm) (2 Places) 65 8 in. (168.3 mm) 18½ 18 in. Ref. Ref. (470 (470 mm) mm) 65 8 in. Ref. (168.3 mm) in. Ref. (366.7 mm) 3 (89 mm) (2 Places) 8¾ in. (222 mm) 355

58 WATROD and FIREAR irculation Heaters Application: Forced Air and austic Solutions WATROD or FIREAR elements Without thermostat General purpose enclosure # ode Description Volts kw Ph irc. Number 6 inch lb ANSI Flange (WATROD) 23 W/in 2 15-Incoloy Elements (3.6 W/cm 2 ) Del. Ship Wt. lbs (kg) "A" Dim. "" Dim. "" Dim FPNA17R10XS RS 217 (99) (1027) (521) 17 (432) FPNA17R3XS RS 217 (99) (1027) (521) 17 (432) FPNA17R11XS RS 217 (99) (1027) (521) 17 (432) FPNA17R5XS RS 217 (99) (1027) (521) 17 (432) FPNA25G10XS RS 226 (103) (1027) (521) 17 (432) FPNA25G3XS RS 226 (103) (1027) (521) 17 (432) FPNA25G11XS RS 226 (103) (1027) (521) 17 (432) FPNA25G5XS RS 226 (103) (1027) (521) 17 (432) FPNA32R10XS RS 288 (131) 51 (1294) 31 (787) (699) FPNA32R3XS RS 288 (131) 51 (1294) 31 (787) (699) FPNA32R11XS RS 288 (131) 51 (1294) 31 (787) (699) FPNA32R5XS RS 288 (131) 51 (1294) 31 (787) (699) FPNA40G10XS RS 296 (135) 72 (1827) 52 (1321) (1232) FPNA40G3XS RS 296 (135) 72 (1827) 52 (1321) (1232) FPNA40G11XS RS 296 (135) 72 (1827) 52 (1321) (1232) FPNA40G5XS RS 296 (135) 72 (1827) 52 (1321) (1232) FPNA47R10XS RS 306 (139) 72 (1827) 52 (1321) (1232) FPNA47R3XS RS 306 (139) 72 (1827) 52 (1321) (1232) FPNA47R11XS RS 306 (139) 72 (1827) 52 (1321) (1232) FPNA47R5XS RS 306 (139) 72 (1827) 52 (1321) (1232) FPNA64G3XS RS 370 (168) 93 (2361) 73 (1854) 66 (1676) FPNA64G11XS RS 370 (168) 93 (2361) 73 (1854) 66 (1676) FPNA64G5XS RS 370 (168) 93 (2361) 73 (1854) 66 (1676) FPNA76R3XS RS 381 (173) 93 (2361) 73 (1854) 66 (1676) FPNA76R11XS RS 381 (173) 93 (2361) 73 (1854) 66 (1676) FLANGE FPNA76R5XS RS 381 (173) 93 (2361) 73 (1854) 66 (1676) 8 inch lb ANSI Flange (WATROD) 23 W/in 2 18-Incoloy Elements (3.6 W/cm 2 ) FRNA32N10S RS 370 (168) (1402.0) (830.0) (741.0) FRNA32N3S RS 370 (168) (1402.0) (830.0) (741.0) FRNA32N11S RS 370 (168) (1402.0) (830.0) (741.0) FRNA32N5S RS 370 (168) (1402.0) (830.0) (741.0) FRNA43E3S RS 410 (186) (1580.0) (1008.0) (919.0) FRNA43E11S RS 410 (186) (1580.0) (1008.0) (919.0) FRNA43E5S RS 410 (186) (1580.0) (1008.0) (919.0) FRNA51M3S RS 440 (200) (1774.8) (1203.3) (1114.4) FRNA51M11S RS 440 (200) (1774.8) (1203.3) (1114.4) FRNA51M5S RS 440 (200) (1774.8) (1203.3) (1114.4) 8 inch lb ANSI Flange (WATROD) 23 W/in FRNA33D10XS RS 382 (174) (1402.0) (830.0) (741.0) FRNA33D3XS RS 382 (174) (1402.0) (830.0) (741.0) 24-Incoloy FRNA33D11XS RS 382 (174) (1402.0) (830.0) (741.0) Elements FRNA33D5XS RS 382 (174) (1402.0) (830.0) (741.0) (3.6 W/cm 2 ) FRNA43M3XS RS 425 (193) (1580.0) (1008.0) (919.0) FRNA43M11XS RS 425 (193) (1580.0) (1008.0) (919.0) FRNA43M5XS RS 425 (193) (1580.0) (1008.0) (919.0) FRNA51M3XS RS 457 (207) (1774.8) (1203.3) (1114.4) FRNA51M11XS RS 457 (207) (1774.8) (1203.3) (1114.4) FRNA51M5XS RS 457 (207) (1774.8) (1203.3) (1114.4) RAPID SHIP RS - Next day shipment up to 2 pieces 6 inch lb ANSI Flange in. Ref. (322.3 mm) UN 2 Inlet 4¾ in. (121 mm) 65 8 in. Ref. (168.3 mm) 8 inch lb ANSI Flange in. Ref. (366.7 mm) 356 Flange WATLOW Holes 8"-150# 10"-150# FLANGE in. Ref. (373.1 mm) UN 3 in. Inlet & Outlet 2 Inlet 5¾ in. (146 mm) 11 3 (89 mm) (2 Places) 8¾ in. (222 mm) 75 8 in. (193.7 mm) 14 Ref. (368 mm) 3 (89 mm) (2 Places) 10¾ in. (273 mm) in. (328.6 mm) (2) ¾ -10 UN 2

59 WATROD and FIREAR irculation Heaters Application: Forced Air and austic Solutions WATROD or FIREAR elements Without thermostat General purpose enclosure Description Volts kw Ph # irc. 10 inch lb ANSI Flange (WATROD) 23 W/in 2 27-Incoloy Elements (3.6 W/cm 2 ) ode Number Del. Ship Wt. lbs (kg) "A" Dim. "" Dim. 5 in. Flange Inlet & Outlet "" Dim FSNA43N3S S 515 (234) (1946.3) (1546.2) (1717.7) (411.2 mm) FSNA43N5S S 515 (234) (1946.3) (1546.2) (1717.7) FSNA51N3S S 530 (241) (2136.8) (1736.2) (1908.2) FSNA51N5S S 530 (241) (2136.8) (1736.2) (1908.2) 12 inch lb ANSI Flange (WATROD) 23 W/in 2 36-Incoloy Elements (3.6 W/cm 2 ) 12"-150# FLANGE FTNA43L5S S 565 (257) (1952.6) (1541) (1724.0) FTNA51L5S S 585 (266) (2143.1) (1732) (1914.5) in. Ref in. (377.8 mm) 14 in. (356 mm) (2) ¾ -10 UN 2 Holes in. Ref. (230.2 mm) (13 mm) 7 8 in. (22.2 mm) X 2 in. (51 mm) Slot 14 inch lb ANSI Flange (WATROD) 23 W/in FWNA43J5S S 570 (259) (1924) (1510) (1689) 45-Incoloy Elements (3.6 W/cm 2 ) FWNA51J5S S 590 (268) (2115) 67 (1700) 74 (1880) S - Standard, 10 day lead time 10 inch lb ANSI Flange 3 in. Flange Inlet & Outlet 11 (292 mm) 15¾ in. Ref. (400 mm) in. (327 mm) 12 (318 mm) in. (328.6 mm) (2) ¾ -10 UN 2 Holes 9 in. Ref. (229 mm) (13 mm) in. (22.2 mm) X 2 in. (51 mm) Slot 12 inch lb ANSI Flange 14 inch lb ANSI Flange 5 in. Flange Inlet & Outlet in. Ref. (411.2 mm) in. (377.8 mm) 14 in. (356 mm) 12 (318 mm) (2) ¾ "-150# UN 2 FLANGE Holes in. Ref. (230.2 mm) (13 mm) 7 8 in. (22.2 mm) X 2 in. (51 mm) Slot 4 6 in. Flange Inlet & Outlet in. Ref. (414.3 mm) 12 (318 mm) 3 (89 mm) in. (410 mm) 15 in. (381 mm) 11 (292 mm) 12 (318 mm) 4 9¼ in. Ref. (235 mm) (13 mm) 4 (2) ¾ -10 UN 2 Holes 7 8 in. (22.2 mm) X 2 in. (51 mm) Slot WATLOW 357

60 WATROD and FIREAR irculation Heaters Application: Lightweight Oils and Heat Transfer Oils WATROD or FIREAR elements Without thermostat General purpose enclosure # ode Ship Wt. "A" Dim. "" Dim. "" Dim. Description Volts kw Ph irc. Number Del. lbs (kg) inch Screw Plug (WATROD) 23 W/in / ES19G6S RS 29 (14) (625.5) 15 (381) (79.4) 2-Steel 120/ ES25G6S RS 29 (14) (828.7) 23 (584) 3 (76.0) Element (3.6 W/cm 2 ) inch Screw Plug (FIREAR) 30 W/in DNF16G12S RS 26 (12) (625.5) 15 (381) (79.4) 1-Incoloy DNF16G13S RS 26 (12) (625.5) 15 (381) (79.4) Elements DNF19G12S RS 30 (14) (828.7) 23 (584) 3 (76.0) (4.7 W/cm 2 ) DNF19G13S RS 30 (14) (828.7) 23 (584) 3 (76.0) DNF24L12S RS 31 (14) (828.7) 23 (584) 3 (76.0) DNF24L13S RS 31 (14) (828.7) 23 (584) 3 (76.0) DNF29R12S RS 43 (20) (1082.7) 32 (813) 4 (102.0) DNF29R13S RS 43 (20) (1082.7) 32 (813) 4 (102.0) DNF34R12S RS 44 (20) (1082.7) 32 (813) 4 (102.0) DNF34R13S RS 44 (20) (1082.7) 32 (813) 4 (102.0) DNF45G12S RS 69 (32) (1616.1) 53 (1346) 4 (102.0) DNF45G13S RS 69 (32) (1616.1) 53 (1346) 4 (102.0) DNF55R12S RS 71 (33) (1616.1) 53 (1346) 4 (102.0) DNF55R13S RS 71 (33) (1616.1) 53 (1346) 4 (102.0) inch Screw Plug in. Ref. (163.5 mm) ¾ in. Inlet Ref. 4 in. (102 mm) 3¾ in. (95 mm) inch Screw Plug (FIREAR) 23 W/in DNF16G20S RS 26 (12) (625.5) 15 (381) (79.4) 1-Incoloy DNF19G20S RS 30 (14) (828.7) 23 (584) 3 (76.0) (3.6 W/cm 2 ) DNF24L20S RS 31 (14) (828.7) 23 (584) 3 (76.0) DNF24L19S RS 31 (14) (828.7) 23 (584) 3 (76.0) DNF29R20S RS 43 (20) (1082.7) 32 (813) 4 (102.0) DNF29R19S RS 43 (20) (1082.7) 32 (813) 4 (102.0) DNF34R20S RS 44 (20) (1082.7) 32 (813) 4 (102.0) DNF34R19S RS 44 (20) (1082.7) 32 (813) 4 (102.0) DNF45G20S RS 69 (32) (1616.1) 53 (1346) 4 (102.0) DNF45G19S RS 69 (32) (1616.1) 53 (1346) 4 (102.0) DNF55R20S RS 71 (33) (1616.1) 53 (1346) 4 (102.0) DNF55R19S RS 71 (33) (1616.1) 53 (1346) 4 (102.0) 4 Wired for higher voltage RAPID SHIP RS - Same day shipment up to 5 pieces 358 WATLOW

61 WATROD and FIREAR irculation Heaters Application: Lightweight Oils and Heat Transfer Oils WATROD or FIREAR elements Without thermostat General purpose enclosure Description Volts kw # Ph irc inch Screw Plug (WATROD) 23 W/in 2 3-Steel (3.6 W/cm 2 ) ode Number Del. Ship Wt. lbs (kg) "A" Dim. "" Dim. "" Dim LS717E3S RS 24 (11) (881) (572) (419) LS717E5S RS 24 (11) (881) (572) (419) LS724N3S RS 27 (13) (881) (572) (419) LS724N5S RS 27 (13) (881) (572) (419) LS732E3S RS 29 (14) (1135) (1129) (673) LS732E5S RS 29 (14) (1135) (1129) (673) LS739N3S RS 31 (14) (1453) 45 (1143) 39 (991) LS739N5S RS 31 (14) (1453) 45 (1143) 39 (991) LS747E3S RS 32 (15) (1453) 45 (1143) 39 (991) LS747E5S RS 32 (15) (1453) 45 (1143) 39 (991) inch Screw Plug (FIREAR) 30 W/in LNF1512S RS 22 (10) (881) (572) (419) LNF1513S RS 22 (10) (881) (572) (419) 3-Incoloy Elements LNF1812S RS 23 (11) (881) (572) (419) (4.7 W/cm 2 ) LNF1813S RS 23 (11) (881) (572) (419) LNF2312S RS 31 (14) (881) (572) (419) LNF2313S RS 31 (14) (881) (572) (419) LNF28L12S RS 34 (16) (1135) (1129) (673) LNF28L13S RS 34 (16) (1135) (1129) (673) LNF33L12S RS 35 (16) (1135) (1129) (673) LNF33L13S RS 35 (16) (1135) (1129) (673) LNF4412S RS 44 (20) (1453) 45 (1143) 39 (991) LNF4413S RS 44 (20) (1453) 45 (1143) 39 (991) LNF54L13S RS 52 (24) (1618) (1308) (1181) inch Screw Plug in. Ref. (182.6 mm) in. (284.2 mm) 1 in. Inlet in. (125.4 mm) 1¼ in. (32 mm) Ref in. (142.9 mm) 43 8 in. (111.1 mm) 31 8 in. (79.4 mm) inch Screw Plug (FIREAR) 23 W/in LNF1520S RS 22 (10) (881) (572) (419) LNF1820S RS 23 (11) (881) (572) (419) 3-Incoloy (3.6 W/cm 2 ) LNF2320S RS 31 (14) (881) (572) (419) LNF2319S RS 31 (14) (881) (572) (419) LNF28L20S RS 34 (16) (1135) (1129) (673) LNF28L19S RS 34 (16) (1135) (1129) (673) LNF33L20S RS 35 (16) (1135) (1129) (673) LNF33L19S RS 35 (16) (1135) (1129) (673) LNF4420S RS 44 (20) (1453) 45 (1143) 39 (991) LNF4419S RS 44 (20) (1453) 45 (1143) 39 (991) LNF54L20S RS 52 (24) (1618) (1308) (1181) LNF54L19S RS 52 (24) (1618) (1308) (1181) 3 Wired for 3-phase operation only RAPID SHIP 8 an be wired for 1-phase operation RS - Same day shipment up to 5 pieces WATLOW 359

62 WATROD and FIREAR irculation Heaters Application: Lightweight Oils and Heat Transfer Oils WATROD or FIREAR elements Without thermostat General purpose enclosure # ode Description Volts kw Ph irc. Number 3 inch lb ANSI Flange (WATROD) 23 W/in 2 3-Steel Elements (3.6 W/cm 2 ) Del. Ship Wt. lbs (kg) "A" Dim. "" Dim. "" Dim FMS718A10S RS 68 (31) (894) (573) (419) FMS718A3S RS 68 (31) (894) (573) (419) FMS718A11S RS 68 (31) (894) (573) (419) FMS718A5S RS 68 (31) (894) (573) (419) FMS725J10S RS 78 (36) (894) (573) (419) FMS725J3S RS 78 (36) (894) (573) (419) FMS725J11S RS 78 (36) (894) (573) (419) FMS725J5S RS 78 (36) (894) (573) (419) FMS733A10S RS 96 (44) (1148) (826) (673) FMS733A3S RS 96 (44) (1148) (826) (673) FMS733A11S 96 (44) (1148) (826) (673) FMS733A5S RS 96 (44) (1148) (826) (673) FMS740J10S RS 100 (46) (1465) 45 (1143) 39 (991) FMS740J3S RS 100 (46) (1465) 45 (1143) 39 (991) FMS740J11S RS 100 (46) (1465) 45 (1143) 39 (991) FMS740J5S RS 100 (46) (1465) 45 (1143) 39 (991) FMS748A10S RS 107 (49) (1465) 45 (1143) 39 (991) FMS748A3S RS 107 (49) (1465) 45 (1143) 39 (991) FMS748A11S RS 107 (49) (1465) 45 (1143) 39 (991) FMS748A5S RS 107 (49) (1465) 45 (1143) 39 (991) 4 inch lb ANSI Flange (WATROD) 23 W/in FOS718A10S RS 125 (57) 39 (989) (521) 17 (432) FOS718A3S RS 125 (57) 39 (989) (521) 4"-150# 17 (432) 6-Incoloy FOS718A11S RS 125 (57) 39 (989) (521) FLANGE 17 (432) Elements FOS718A5S RS 125 (57) 39 (989) (521) 17 (432) (3.6 W/cm 2 ) FOS725J10S RS 160 (73) 39 (989) (521) 17 (432) FOS725J3S RS 160 (73) 39 (989) (521) 17 (432) FOS725J11S RS 160 (73) 39 (989) (521) 17 (432) FOS725J5S RS 160 (73) 39 (989) (521) 17 (432) FOS733A10S RS 163 (74) (1256) 31 (787) (699) FOS733A3S RS 163 (74) (1256) 31 (787) (699) FOS733A11S RS 163 (74) (1256) 31 (787) (699) FOS733A5S RS 163 (74) (1256) 31 (787) (699) FOS740J10S RS 229 (104) (1789) 52 (1321) (1232) FOS740J3S RS 229 (104) (1789) 52 (1321) (1232) FOS740J11S RS 229 (104) (1789) 52 (1321) (1232) FOS740J5S RS 229 (104) (1789) 52 (1321) (1232) FOS748A10S RS 234 (107) (1789) 52 (1321) (1232) FOS748A3S RS 234 (107) (1789) 52 (1321) (1232) FOS748A11S RS 234 (107) (1789) 52 (1321) (1232) FOS748A5S RS 234 (107) (1789) 52 (1321) (1232) FOS764J3S RS 298 (136) (2326) 73 (1854) 66 (1676) FOS764J11S RS 298 (136) (2326) 73 (1854) 66 (1676) FOS764J5S RS 298 (136) (2326) 73 5"-150# (1854) 66 FLANGE (1676) FOS777A3S RS 306 (139) (2326) 73 (1854) 66 (1676) FOS777A11S RS 306 (139) (2326) 73 (1854) 66 (1676) FOS777A5S RS 306 (139) (2326) 73 (1854) 66 (1676) RS - Same day shipment up to 5 pieces RAPID SHIP 3 inch lb ANSI Flange 11 Ref. (292 mm) 1¼ in. (32 mm) (2 Places) 55 8 in. Ref. (142.9 mm) in. WATLOW in. Ref. (195.3 mm) UN 1 in. Inlet & Outlet 31 8 in. Dia. (79.4 mm) Ref. 1 Inlet UN 43 8 in. (111.1 mm) 4 inch lb ANSI Flange in. Ref. (320.7 mm) in. (93.7 mm) in. Ref. (320.7 mm) Inlet in. (147.6 mm) in. Ref. (365.1 mm) 1¼ in. (32 mm) (2 Places) 65 8 in. (168.3 mm) in. Ref. (141.3 mm) 18 Ref. (470 mm)

63 WATROD and FIREAR irculation Heaters Application: Lightweight Oils and Heat Transfer Oils WATROD or FIREAR elements Without thermostat General purpose enclosure # ode Ship Wt. "A" Dim. "" Dim. "" Dim. Description Volts kw Ph irc. Number Del. lbs (kg) 4 inch lb ANSI Flange (FIREAR) 30 W/in FONF16J12S RS 128 (58) 39 (989) "-150# (521) 17 (432) 6-Incoloy (4.7 W/cm 2 ) FONF16J13S RS 128 (58) 39 (989) FLANGE (521) 17 (432) FONF19J12S RS 130 (59) 39 (989) (521) 17 (432) FONF19J13S RS 130 (59) 39 (989) (521) 17 (432) FONF24J12S RS 133 (61) 39 (989) (521) 17 (432) FONF24J13S RS 133 (61) 39 (989) (521) 17 (432) FONF30A12S RS 168 (77) (1256) 31 (787) (699) FONF30A13S RS 168 (77) (1256) 31 (787) (699) FONF35A12S RS 170 (78) (1256) 31 (787) (699) FONF35A13S RS 170 (78) (1256) 31 (787) (699) FONF45J12S RS 236 (107) (1789) 52 (1321) (1232) FONF45J13S RS 236 (107) (1789) 52 (1321) (1232) FONF56A13S RS 240 (109) (1789) 52 (1321) (1232) 4 inch lb ANSI Flange (FIREAR) 23 W/in 2 6-Incoloy Elements (3.6 W/cm 2 ) FONF16J20S RS 128 (58) 39 (989) (521) 17 (432) FONF19J20S RS 130 (59) 39 (989) (521) 17 (432) FONF24J20S RS 133 (61) 39 (989) (521) 17 (432) FONF24J19S RS 133 (61) 39 (989) (521) 17 (432) FONF30A20S RS 168 (77) (1256) 31 (787) (699) FONF30A19S RS 168 (77) (1256) 31 (787) (699) FONF35A20S RS 170 (78) (1256) 31 (787) (699) FONF35A19S RS 170 (78) (1256) 31 (787) 5"-150# (699) FONF45J20S RS 236 (107) (1789) 52 (1321) FLANGE (1232) FONF45J19S RS 236 (107) (1789) 52 (1321) (1232) FONF56A20S RS 240 (109) (1789) 52 (1321) (1232) FONF56A19S RS 240 (109) (1789) 52 (1321) (1232) 5 inch lb ANSI Flange (WATROD) 23 W/in 2 6-Steel (3.6 W/cm 2 ) FNS733A10S RS 145 (66) (1427.0) 37 (940.0) (473.1) FNS733A3S RS 145 (66) (1427.0) 37 (940.0) (473.1) FNS733A11S RS 145 (66) (1427.0) 37 (940.0) (473.1) FNS733A5S RS 145 (66) (1427.0) 37 (940.0) (473.1) FNS740J10S RS 167 (76) (1427.0) 37 (940.0) (473.1) FNS740J3S RS 167 (76) (1427.0) 37 (940.0) (473.1) FNS740J11S RS 167 (76) (1427.0) 37 (940.0) (473.1) FNS740J5S RS 167 (76) (1427.0) 37 (940.0) (473.1) FNS748A10S RS 180 (82) (1719.0) (1232.0) 25 (633.0) FNS748A3S RS 180 (82) (1719.0) (1232.0) 25 (633.0) FNS748A11S RS 180 (82) (1719.0) (1232.0) 25 (633.0) FNS748A5S RS 180 (82) (1719.0) (1232.0) 25 (633.0) FNS764J3S RS 195 (89) (2060.6) (1571.6) (784.2) FNS764J11S RS 195 (89) (2060.6) (1571.6) (784.2) FNS764J5S RS 195 (89) (2060.6) (1571.6) (784.2) FNS777A3S RS 220 (100) (2390.8) 75 (1902.0) 38 (964.0) FNS777A11S RS 220 (100) (2390.8) 75 (1902.0) 38 (964.0) FNS777A5S RS 220 (100) (2390.8) 75 (1902.0) 38 (964.0) RAPID SHIP RS - Same day shipment up to 5 pieces 6"-150# FLANGE 4 inch lb ANSI Flange ½ in. Ref. in. (320.7 Inlet mm) 1 Inlet UN in. Ref. (320.7 mm) in (93.7 UN mm) in. (93.7 mm) in. (147.6 mm) in. (147.6 mm) 5 inch lb ANSI Flange in. Ref. (320.7 mm) 2 in. Inlet UN 4¼ in. (108 mm) in. Ref. (365.1 mm) in. Ref. (365.1 mm) 1¼ in. (32 mm) (2 Places) 65 8 in. (168.3 mm) 1¼ in. (32 mm) (2 Places) 65 8 in. (168.3 mm) in. Ref. (141.3 mm) 18 Ref. (470 mm) 1¼ in. (32 mm) (2 Places) 75 8 in. (193.7 mm) 65 8 in. Ref. (168.3 mm) WATLOW in. Ref. (322.3 mm) in. Ref. (366.7 mm)

64 4"-150# FLANGE in. (147.6 mm) irculation Heaters in. Ref. (320.7 mm) in. Ref. (365.1 mm) WATROD and FIREAR irculation Heaters 1 Inlet Application: Lightweight Oils and Heat Transfer Oils WATROD or FIREAR elements Without thermostat General purpose enclosure # ode Description Volts kw Ph irc. Number 5 inch lb ANSI Flange (WATROD) 23 W/in 2 9-Steel Elements (3.6 W/cm 2 ) Del. Ship Wt. lbs (kg) "A" Dim. "" Dim FNS733A10XS RS 150 (68) (1427.0) 37 (940.0) (471.1) FNS733A3XS RS 150 (68) (1427.0) 37 (940.0) (471.1) FNS733A11XS RS 150 (68) (1427.0) 37 (940.0) (471.1) FNS733A5XS RS 150 (68) (1427.0) 37 (940.0) (471.1) FNS740J10XS RS 173 (79) (1427.0) 37 (940.0) (471.1) FNS740J3XS RS 173 (79) (1427.0) 37 (940.0) (471.1) FNS740J11XS RS 173 (79) (1427.0) 37 (940.0) (471.1) FNS740J5XS RS 173 (79) (1427.0) 37 (940.0) (471.1) 6 inch lb ANSI Flange (WATROD) 23 W/in 2 12-Incoloy Elements (3.6 W/cm 2 ) FPS717R10S RS 214 (97) (1027) (521) 17 (432) FPS717R3S RS 214 (97) (1027) (521) 17 (432) FPS717R11S RS 214 (97) (1027) 206"-150# 1 2 (521) 17 (432) FPS717R5S RS 214 (97) (1027) 20FLANGE 1 2 (521) 17 (432) FPS725G10S RS 222 (101) (1027) (521) 17 (432) FPS725G3S RS 222 (101) (1027) (521) 17 (432) FPS725G11S RS 222 (101) (1027) (521) 17 (432) FPS725G5S RS 222 (101) (1027) (521) 17 (432) FPS732R10S RS 226 (103) 51 (1294) 31 (787) (699) FPS732R3S RS 226 (103) 51 (1294) 31 (787) (699) FPS732R11S RS 226 (103) 51 (1294) 31 (787) (699) FPS732R5S RS 226 (103) 51 (1294) 31 (787) (699) FPS740G10S RS 290 (132) 72 (1827) 52 (1321) (1232) FPS740G3S RS 290 (132) 72 (1827) 52 (1321) (1232) FPS740G11S RS 290 (132) 72 (1827) 52 (1321) (1232) FPS740G5S RS 290 (132) 72 (1827) 52 (1321) (1232) FPS747R10S RS 298 (136) 72 (1827) 52 (1321) (1232) FPS747R3S RS 298 (136) 72 (1827) 52 (1321) (1232) FPS747R11S RS 298 (136) 72 (1827) 52 (1321) (1232) FPS747R5S RS 298 (136) 72 (1827) 52 (1321) (1232) FPS764G3S RS 360 (164) 93 (2361) 73 (1854) 66 (1676) FPS764G11S RS 360 (164) 93 (2361) 73 (1854) 66 (1676) FPS764G5S RS 360 (164) 93 (2361) 73 (1854) 66 (1676) FPS776R3S RS 368 (167) 93 (2361) 73 (1854) 66 (1676) FPS776R11S RS 368 (167) 93 (2361) 73 (1854) 66 (1676) FPS776R5S RS 368 (167) 93 (2361) 73 (1854) 66 (1676) "" Dim. 5 inch lb ANSI Flange in. in. Ref. Ref. (141.3 (141.3 mm) mm) in. in. Ref. Ref. (320.7 (320.7 mm) mm) 2 in. 2 in. Inlet Inlet FNS748A10XS RS 188 (86) (1719.0) (1232.0) 25 (633.0) and Outlet FNS748A3XS RS 188 (86) (1719.0) (1232.0) 25 (633.0) FNS748A11XS RS 188 (86) (1719.0) (1232.0) 25 (633.0) FNS748A5XS RS 188 (86) (1719.0) (1232.0) 25 (633.0) FNS764J3XS RS 206 (94) (2060.6) (1571.6) (784.2) FNS764J11XS RS 206 (94) (2060.6) (1571.6) (784.2) UN UN FNS764J5XS RS 206 (94) (2060.6) (1571.6) (784.2) FNS777A3XS RS 233 (106) (2390.8) 75 (1902.0) 38 (964.0) FNS777A11XS RS 233 (106) (2390.8) 75 (1902.0) 38 (964.0) FNS777A5XS RS 233 (106) (2390.8) 75 (1902.0) 38 (964.0) 4¼ 4¼ in. in. (108 (108 mm) mm) RAPID SHIP RS - Same day shipment up to 5 pieces 18½ 18 in. Ref. Ref. (470 (470 mm) mm) 1¼ 1¼ in. in. (32 (32 mm) mm) (2 Places) (2 Places) in. in. (193.7 (193.7 mm) mm) 362 WATLOW 5"-150# FLANGE UN in. (93.7 mm) 6 inch lb ANSI Flange in. Ref. (322.3 mm) UN 2 Inlet 4¾ in. (121 mm) 1¼ in. (32 mm) (2 Places) 65 8 in. (168.3 mm) 65 8 in. Ref. (168.3 mm) in. Ref. (366.7 mm) 3 (89 mm) (2 Places) 8¾ in. (222 mm)

65 WATROD and FIREAR irculation Heaters Application: Lightweight Oils and Heat Transfer Oils WATROD or FIREAR elements Without thermostat General purpose enclosure Description Volts kw # Ph irc. 6 inch lb ANSI Flange (WATROD) 23 W/in 2 15-Steel Elements (3.6 W/cm 2 ) ode Number Del. Ship Wt. lbs (kg) "A" Dim. "" Dim. "" Dim FPS717R10XS RS 217 (99) (1027) (521) 17 (432) FPS717R3XS RS 217 (99) (1027) (521) 17 (432) FPS717R11XS RS 217 (99) (1027) (521) 17 (432) FPS717R5XS RS 217 (99) (1027) (521) 17 (432) FPS725G10XS RS 222 (101) (1027) (521) 17 (432) FPS725G3XS RS 222 (101) (1027) (521) 17 (432) FPS725G11XS RS 222 (101) (1027) (521) 17 (432) FPS725G5XS RS 222 (101) (1027) (521) 17 (432) FPS732R10XS RS 226 (103) 51 (1294) 31 (787) (699) FPS732R3XS RS 226 (103) 51 (1294) 31 (787) (699) FPS732R11XS RS 226 (103) 51 (1294) 31 (787) (699) FPS732R5XS RS 226 (103) 51 (1294) 31 (787) (699) FPS740G10XS RS 290 (132) 72 (1827) 52 (1321) (1232) FPS740G3XS RS 290 (132) 72 (1827) 52 (1321) (1232) FPS740G11XS RS 290 (132) 72 (1827) 52 (1321) (1232) FPS740G5XS RS 290 (132) 72 (1827) 52 (1321) (1232) FPS747R10XS RS 298 (136) 72 (1827) 52 (1321) (1232) FPS747R3XS RS 298 (136) 72 (1827) 52 (1321) (1232) FPS747R11XS RS 298 (136) 72 (1827) 52 (1321) (1232) FPS747R5XS RS 298 (136) 72 (1827) 52 (1321) (1232) FPS764G3XS RS 360 (164) 93 (2361) 73 (1854) 66 (1676) FPS764G11XS RS 360 (164) 93 (2361) 73 (1854) 66 (1676) FPS764G5XS RS 360 (164) 93 (2361) 73 (1854) 66 (1676) FPS776R3XS RS 368 (167) 93 (2361) 73 (1854) 66 (1676) FPS776R11XS RS 368 (167) 93 (2361) 73 (1854) 66 (1676) FPS776R5XS RS 368 (167) 93 (2361) 73 (1854) 66 (1676) 6 inch lb ANSI Flange in. Ref. (322.3 mm) UN 2 Inlet 4¾ in. (121 mm) 65 8 in. Ref. (168.3 mm) in. Ref. (366.7 mm) 3 (89 mm) (2 Places) 8¾ in. (222 mm) 6 inch lb ANSI Flange (FIREAR) 30 W/in FPNF16J12S RS 220 (100) (1027) (521) 17 (432) FPNF16J13S RS 220 (100) (1027) (521) 17 (432) 15-Incoloy FPNF19J12S RS 223 (102) 40 Elements 2 (1027) (521) 17 (432) (4.7 W/cm 2 ) FPNF19J13S RS 223 (102) (1027) (521) 17 (432) FPNF24J12S RS 226 (103) (1027) (521) 17 (432) FPNF24J13S RS 226 (103) (1027) (521) 17 (432) FPNF30A12S RS 232 (106) 51 (1294) 31 (787) (699) FPNF30A13S RS 232 (106) 51 (1294) 31 (787) (699) FPNF35A12S RS 236 (107) 51 (1294) 31 (787) (699) FPNF35A13S RS 236 (107) 51 (1294) 31 (787) (699) FPNF45J12S RS 304 (138) 72 (1827) 52 (1321) (1232) FPNF45J13S RS 304 (138) 72 (1827) 52 (1321) (1232) FPNF56A13S RS 314 (143) 72 (1827) 52 (1321) (1232) 3 Wired for 3-phase operation only RAPID SHIP RS - Same day shipment up to 2 pieces WATLOW 363

66 WATROD and FIREAR irculation Heaters Application: Lightweight Oils and Heat Transfer Oils WATROD or FIREAR elements Without thermostat General purpose enclosure # ode Ship Wt. "A" Dim. "" Dim. "" Dim. Description Volts kw Ph irc. Number Del. lbs (kg) 6 inch lb ANSI Flange (FIREAR) 23 W/in FPNF16J20S RS 220 (100) (1027) (521) 17 (432) 15-Incoloy FPNF19J20S RS 223 (102) (1027) (521) 17 (432) (3.6 W/cm 2 ) FPNF24J20S RS 226 (103) (1027) (521) 17 (432) FPNF24J19S RS 226 (103) (1027) (521) 17 (432) FPNF30A20S RS 232 (106) 51 (1294) 31 (787) (699) FPNF30A19S RS 232 (106) 51 (1294) 31 (787) (699) FPNF35A20S RS 236 (107) 51 (1294) 31 (787) (699) FPNF35A19S RS 236 (107) 51 (1294) 31 (787) (699) FPNF45J20S RS 304 (138) 72 (1827) 52 (1321) (1232) FPNF45J19S RS 304 (138) 72 (1827) 52 (1321) (1232) FPNF56A20S RS 314 (143) 72 (1827) 52 (1321) (1232) FPNF56A19S RS 314 (143) 72 (1827) 52 (1321) (1232) RAPID SHIP RS - Next day shipment up to 2 pieces 6 inch lb ANSI Flange in. Ref. (322.3 mm) UN 2 Inlet 8 inch lb ANSI Flange (WATROD) 23 W/in FRS732N10S RS 370 (168) (1402.0) (830.0) (741.0) 4¾ in. (121 mm) 18-Steel FRS732N3S RS 370 (168) (1402.0) (830.0) (741.0) Elements FRS732N11S RS 370 (168) (1402.0) (830.0) (741.0) (3.6 W/cm 2 ) FRS732N5S RS 370 (168) (1402.0) (830.0) (741.0) 8 inch lb ANSI Flange FRS743E3S RS 410 (186) (1580.0) (1008.0) "-150# (919.0) FRS743E11S RS 410 (186) (1580.0) (1008.0) FLANGE (919.0) FRS743E5S RS 410 (186) (1580.0) (1008.0) (919.0) FRS751M3S RS 440 (200) (1774.8) (1203.3) (1114.4) FRS751M11S RS 440 (200) (1774.8) (1203.3) (1114.4) FRS751M5S RS 440 (200) (1774.8) (1203.3) (1114.4) in. Ref FRS762D3S RS 480 (218) (2016.1) (1444.6) (1355.7) (373.1 mm) FRS762D11S RS 480 (218) (2016.1) (1444.6) (1355.7) FRS762D5S RS 480 (218) (2016.1) (1444.6) 53 3 Inlet 8 (1355.7) FRS770M3S RS 530 (241) (2244.7) (1673.2) (1584.3) FRS770M11S RS 530 (241) (2244.7) (1673.2) (1584.3) FRS770M5S RS 530 (241) (2244.7) (1673.2) (1584.3) FRS779M3S RS 610 (277) (2498.7) (1927.2) (1838.3) UN FRS779M5S RS 610 (277) (2498.7) (1927.2) (1838.3) 5¾ in. (146 mm) 65 8 in. Ref. (168.3 mm) in. Ref. (366.7 mm) 3 (89 mm) (2 Places) 8¾ in. (222 mm) 75 8 in. (193.7 mm) 14 Ref. (368 mm) 3 (89 mm) (2 Places) 10¾ in. (273 mm) UN WATLOW 10"-150# FLANGE 3 in. Flange Inlet & Outlet in. (328.6 mm) (2) ¾ -10 Holes

67 WATROD and FIREAR irculation Heaters Application: Lightweight Oils and Heat Transfer Oils WATROD or FIREAR elements Without thermostat General purpose enclosure # ode Description Volts kw Ph irc. Number 8 inch lb ANSI Flange (WATROD) 23 W/in 2 24-Steel (3.6 W/cm 2 ) Del. Ship Wt. lbs (kg) "A" Dim. "" Dim. "" Dim FRS733D10XS RS 382 (174) (1402.0) (830.0) (741.0) FRS733D3XS RS 382 (174) (1402.0) (830.0) (741.0) FRS733D11XS RS 382 (174) (1402.0) (830.0) (741.0) FRS733D5XS RS 382 (174) (1402.0) (830.0) (741.0) FRS743M3XS RS 425 (193) (1580.0) (1008.0) (919.0) FRS743M11XS RS 425 (193) (1580.0) (1008.0) (919.0) FRS743M5XS RS 425 (193) (1580.0) (1008.0) (919.0) FRS751M3XS RS 457 (208) (1774.8) (1203.3) (1114.4) FRS751M11XS RS 457 (208) (1774.8) (1203.3) (1114.4) FRS751M5XS RS 457 (208) (1774.8) (1203.3) (1114.4) FRS762D3XS RS 461 (209) (2016.1) (1444.6) (1355.7) FRS762D11XS RS 461 (209) (2016.1) (1444.6) (1355.7) FRS762D5XS RS 461 (209) (2016.1) (1444.6) (1355.7) FRS770M3XS RS 554 (252) (2244.7) (1673.2) (1584.3) FRS770M11XS RS 554 (252) (2244.7) (1673.2) (1584.3) FRS770M5XS RS 554 (252) (2244.7) (1673.2) (1584.3) FRS779M3XS RS 636 (289) (2498.7) (1927.2) (1838.3) FRS779M5XS RS 636 (289) (2498.7) (1927.2) (1838.3) RAPID SHIP RS - Next day shipment up to 2 pieces 8 inch lb ANSI Flange in. Ref. (373.1 mm) UN 2 Inlet 5¾ in. (146 mm) 75 8 in. (193.7 mm) 14 Ref. (368 mm) 3 (89 mm) (2 Places) 10¾ in. (273 mm) WATLOW 365

68 WATROD and FIREAR irculation Heaters Application: Lightweight Oils and Heat Transfer Oils WATROD or FIREAR elements Without thermostat General purpose enclosure 12"-150# FLANGE 5 in. Flange # ode Ship Wt. "A" Dim. "" Dim. Inlet & Outlet "" Dim. Description Volts kw Ph irc. Number Del. lbs (kg) 10 inch lb ANSI Flange (WATROD) in. Ref. 23 W/in FSS762E5S S 540 (245) (2316.0) (1916.0) (2088.0) (411.2 mm) 27-Steel FSS770N5S S 600 (645) (2517.8) (2117.7) (2289.2) Elements (3.6 W/cm 2 ) FSS778N5S S 645 (293) (2708.3) (2308.2) (2479.7) 12 inch lb ANSI Flange (WATROD) 23 W/in FTS770L5S S 650 (295) 99 (2515) (2105.0) 90 (2284) 36-Steel FTS778L5S S 700 (318) (2705) (2295.5) (2475) Elements in. (3.6 W/cm 2 ) (377.8 mm) 14 in. (356 mm) (2) ¾ -10 UN 2 Holes in. Ref. (230.2 mm) (13 mm) 7 8 in. (22.2 mm) X 2 in. (51 mm) Slot 14 inch lb ANSI Flange (WATROD) 23 W/in FWS762A5S S 650 (295) (2305) (1891) (2070) 45-Steel FWS770J5S S 700 (318) (2496) 82 (2081) 89 (2261) Elements (3.6 W/cm 2 ) FWS778J5S S 780 (354) (2686) (2272) (2451) S - Standard, 10 day lead time 12 (318 mm) 4 10 inch lb ANSI Flange 3 in. Flange Inlet & Outlet 11 (292 mm) 15¾ in. Ref. (400 mm) in. (327 mm) 12 (318 mm) in. (328.6 mm) (2) ¾ -10 UN 2 Holes 9 in. Ref. (229 mm) (13 mm) in. (22.2 mm) X 2 in. (51 mm) Slot 12 inch lb ANSI Flange 14 inch lb ANSI Flange 5 in. Flange Inlet & Outlet in. Ref. (411.2 mm) in. (377.8 mm) 14 in. (356 mm) 12 (318 mm) (2) ¾ 14"-150# -10 UN FLANGE 2 Holes in. Ref. (230.2 mm) (13 mm) 7 8 in. (22.2 mm) X 2 in. (51 mm) Slot 4 6 in. Flange Inlet & Outlet in. Ref. (414.3 mm) 3 (89 mm) in. (410 mm) 15 in. (381 mm) 11 (292 mm) 12 (318 mm) 9¼ in. Ref. (235 mm) (13 mm) 4 (2) ¾ -10 UN 2 Holes 7 8 in. (22.2 mm) X 2 in. (51 mm) Slot 366 WATLOW

69 WATROD and FIREAR irculation Heaters Application: Medium Weight Oils and Heat Transfer Oils WATROD or FIREAR elements Without thermostat General purpose enclosure # Description Volts kw Ph irc inch Screw Plug (FIREAR) 15 W/in Incoloy Element (2.3 W/cm 2 ) ode Number Del. Ship Wt. lbs (kg) "A" Dim. "" Dim. "" Dim DNF13A29S RS 25 (12) (625.5) 15 (381) (79.4) DNF15J29S RS 26 (12) (625.5) 15 (381) (79.4) DNF18A29S RS 30 (14) (828.7) 23 (584) 3 (76.0) DNF22J29S RS 31 (14) (828.7) 23 (584) 3 (76.0) DNF22J30S RS 31 (14) (828.7) 23 (584) 3 (76.0) DNF27J29S RS 43 (20) (1082.7) 32 (813) 4 (102.0) DNF27J30S RS 43 (20) (1082.7) 32 (813) 4 (102.0) DNF32J29S RS 44 (20) (1082.7) 32 (813) 4 (102.0) DNF32J30S RS 44 (20) (1082.7) 32 (813) 4 (102.0) DNF42A29S RS 69 (32) (1616.1) 53 (1346) 4 (102.0) DNF42A30S RS 69 (32) (1616.1) 53 (1346) 4 (102.0) DNF51J29S RS 71 (33) (1616.1) 53 (1346) 4 (102.0) DNF51J30S RS 71 (33) (1616.1) 53 (1346) 4 (102.0) inch Screw Plug (WATROD) 16 W/in LN717G12S RS 24 (11) (881) (572) (419) LN717G13S RS 24 (11) (881) (572) (419) 3-Incoloy LN719R12S RS 26 (12) 34 Elements 4 (881) (572) (419) (2.5 W/cm 2 ) LN719R13S RS 26 (12) (881) (572) (419) LN724R12S RS 27 (13) (881) (572) (419) LN724R13S RS 27 (13) (881) (572) (419) LN732G12S RS 29 (14) (1135) (1129) (673) LN732G13S RS 29 (14) (1135) (1129) (673) LN739R12S RS 31 (14) (1453) 45 (1143) 39 (991) LN739R13S RS 31 (14) (1453) 45 (1143) 39 (991) LN747G12S RS 32 (15) (1453) 45 (1143) 39 (991) LN747G13S RS 32 (15) (1453) 45 (1143) 39 (991) inch Screw Plug in. Ref. (163.5 mm) ¾ in. Inlet Ref. 4 in. (102 mm) 3¾ in. (95 mm) inch Screw Plug in. Ref. (182.6 mm) in. (284.2 mm) 1 in. Inlet inch Screw Plug (FIREAR) 15 W/in LNF12A29S RS 21 (10) (881) (572) (419) LNF14J29S RS 22 (10) (881) (572) (419) 3-Incoloy LNF17A29S RS 23 (11) 34 (2.3 W/cm 2 ) 4 (881) (572) (419) LNF21J29S RS 31 (14) (881) (572) (419) LNF21J30S RS 31 (14) (881) (572) (419) LNF26J29S RS 34 (16) (1135) (1129) (673) LNF26J30S RS 34 (16) (1135) (1129) (673) LNF31J29S RS 35 (16) (1135) (1129) (673) LNF31J30S RS 35 (16) (1135) (1129) (673) LNF41A29S RS 44 (20) (1453) 45 (1143) 39 (991) LNF41A30S RS 44 (20) (1453) 45 (1143) 39 (991) LNF50J29S RS 52 (24) (1618) (1308) (1181) LNF50J30S RS 52 (24) (1618) (1308) (1181) 3 Wired for 3-phase operation only RAPID SHIP RS - Same day shipment up to 5 pieces WATLOW in. (125.4 mm) 1¼ in. (32 mm) Ref in. (142.9 mm) 43 8 in. (111.1 mm) 31 8 in. (79.4 mm) 367

70 WATROD and FIREAR irculation Heaters Application: Medium Weight Oils and Heat Transfer Oils WATROD or FIREAR elements Without thermostat General purpose enclosure Description Volts kw Ph # irc. 3 inch lb ANSI Flange (WATROD) 16 W/in Incoloy Element (2.6 W/cm 2 ) ode Number Del. Ship Wt. lbs (kg) "A" Dim. "" Dim. "" Dim FMN718A12S RS 68 (31) (894) (573) (419) FMN718A13S RS 68 (31) (894) (573) (419) FMN720J12S RS 70 (32) (894) (573) (419) FMN720J13S RS 70 (32) (894) (573) (419) FMN725J12S RS 78 (36) (1148) (826) (673) FMN725J13S RS 78 (36) (1148) (826) (673) FMN733A12S RS 96 (44) (1148) (826) (673) FMN733A13S RS 96 (44) (1148) (826) (673) FMN740J12S RS 100 (46) (1465) 45 (1143) 39 (991) FMN740J13S RS 100 (46) (1465) 45 (1143) 39 (991) FMN748A12S RS 107 (49) (1465) 45 (1143) 39 (991) FMN748A13S RS 107 (49) (1465) 45 (1143) 39 (991) 4 inch lb ANSI Flange (WATROD) 16 W/in FON713J12S RS 122 (56) 39 (989) (521) 17 (432) FON713J13S RS 122 (56) 39 (989) (521) 17 (432) 6-Incoloy FON718A12S RS 125 (57) 39 (989) 20 Elements 2 (521) 17 (432) (2.5 W/cm 2 ) FON718A13S RS 125 (57) 39 (989) (521) 17 (432) FON720J12S RS 127 (58) 39 (989) (521) 17 (432) FON720J13S RS 127 (58) 39 (989) (521) 17 (432) FON725J12S RS 160 (73) 39 (989) (521) 17 (432) 4"-150# FON725J13S RS 160 (73) 39 (989) FLANGE (521) 17 (432) FON733A12S RS 163 (74) (1256) 31 (787) (699) FON733A13S RS 163 (74) (1256) 31 (787) (699) FON740J12S RS 229 (104) (1789) 52 (1321) (1232) FON740J13S RS 229 (104) (1789) 52 (1321) (1232) FON748A12S RS 234 (107) (1789) 52 (1321) (1232) FON748A13S RS 234 (107) (1789) 52 (1321) (1232) 4 inch lb ANSI Flange (FIREAR) 15 W/in FONF13G29S RS 125 (57) 39 (989) (521) 17 (432) FONF16A29S RS 128 (58) 39 (989) (521) 17 (432) 6-Incoloy FONF18G29S RS 130 (59) 39 (989) 20 (2.3 W/cm 2 ) 2 (521) 17 (432) FONF22R29S RS 133 (61) 39 (989) (521) 17 (432) FONF22R30S RS 133 (61) 39 (989) (521) 17 (432) FONF27R29S RS 168 (77) (1256) 31 (787) (699) FONF27R30S RS 168 (77) (1256) 31 (787) (699) FONF32R29S RS 170 (77) (1256) 31 (787) (699) FONF32R30S RS 170 (77) (1256) 31 (787) (699) FONF42G29S RS 236 (107) "-150# 2 (1789) 52 (1321) (1232) FLANGE FONF42G30S RS 236 (107) (1789) 52 (1321) (1232) FONF51R29S RS 240 (109) (1789) 52 (1321) (1232) FONF51R30S RS 240 (109) (1789) 52 (1321) (1232) 3 Wired for 3-phase operation only RAPID SHIP RS - Same day shipment up to 5 pieces 3 inch lb ANSI Flange 11 Ref. (292 mm) 1¼ in. (32 mm) (2 Places) 55 8 in. Ref. (142.9 mm) 368 Inlet WATLOW in. Ref. (195.3 mm) UN 1 in. Inlet & Outlet 31 8 in. Dia. (79.4 mm) Ref. 1 Inlet UN in. Ref. (320.7 mm) 43 8 in. (111.1 mm) 4 inch lb ANSI Flange in. (93.7 mm) in. Ref. (320.7 mm) 2 in in. (147.6 mm) in. Ref. (365.1 mm) 1¼ in. (32 mm) (2 Places) 65 8 in. (168.3 mm) in. Ref. (141.3 mm) 18 Ref. (470 mm)

71 4"-150# FLANGE in. (147.6 mm) irculation Heaters in. Ref. (320.7 mm) in. Ref. (365.1 mm) WATROD and FIREAR irculation Heaters 1 Inlet Application: Medium Weight Oils and Heat Transfer Oils WATROD or FIREAR elements Without thermostat General purpose enclosure Description Volts kw Ph # irc. ode Number 5 inch lb ANSI Flange (WATROD) 16 W/in Incoloy Element (2.6 W/cm 2 ) Del. Ship Wt. lbs (kg) "A" Dim. "" Dim. "" Dim FNN733A12S RS 145 (66) (1249) 30 (762) (378.8) FNN733A13S RS 145 (66) (1249) 30 (762) (378.8) FNN740J12S RS 167 (76) (1427) 37 (940) (471.1) FNN740J13S RS 167 (76) (1427) 37 (940) (471.1) FNN748A12S RS 180 (82) (1719) (1232) 25 (633.0) FNN748A13S RS 180 (82) (1719) (1232) 25 (633.0) 2 in. 2 in. Inlet Inlet 5 inch lb ANSI Flange (WATROD) and 16 W/in FNN733A12XS RS 150 (68) (1249) 30 (762) (378.8) FNN733A13XS RS 150 (68) (1249) 30 (762) (378.8) 9-Incoloy FNN740J12XS RS 173 (79) (1427) 37 (940) (473.1) Element FNN740J13XS RS 173 (79) 56 1 (2.6 W/cm 2 4 (1427) 37 (940) (473.1) ) FNN748A12XS RS 188 (86) (1719) (1232) 25 (633.0) FNN748A13XS RS 188 (86) (1719) (1232) 25 (633.0) UN UN (4 6 inch lb ANSI Flange (WATROD) 16 W/in Incoloy Elements (2.6 W/cm 2 ) FPN713G12S RS 212 (97) (1027) (521) 17 (432) FPN713G13S RS 212 (97) (1027) (521) 17 (432) FPN717R12S RS 214 (97) (1027) (521) 17 (432) FPN717R13S RS 214 (97) (1027) (521) 17 (432) FPN720G12S RS 217 (99) (1027) (521) 17 (432) FPN720G13S RS 217 (99) (1027) (521) 17 (432) FPN725G12S RS 222 (101) (1027) "-150# 2 (521) 17 (432) FPN725G13S RS 222 (101) (1027) 20 1 FLANGE 2 (521) 17 (432) FPN732R12S RS 226 (103) 51 (1294) 31 (787) (699) FPN732R13S RS 226 (103) 51 (1294) 31 (787) (699) FPN740G12S RS 290 (132) 72 (1827) 52 (1321) (1232) FPN740G13S RS 290 (132) 72 (1827) 52 (1321) (1232) FPN747R12S RS 298 (136) 72 (1827) 52 (1321) (1232) FPN747R13S RS 298 (136) 72 (1827) 52 (1321) (1232) 6 inch lb ANSI Flange (WATROD) 16 W/in FPN713G12XS RS 215 (98) (1027) (521) 17 (432) FPN713G13XS RS 215 (98) (1027) (521) 17 (432) 15-Incoloy FPN717R12XS RS 217 (99) (1027) (521) 17 (432) (2.6 W/cm 2 ) FPN717R13XS RS 217 (99) (1027) (521) 17 (432) FPN720G12XS RS 223 (102) (1027) (521) 17 (432) FPN720G13XS RS 223 (102) (1027) (521) 17 (432) FPN725G12XS RS 226 (103) (1027) (521) 17 (432) FPN725G13XS RS 226 (103) (1027) (521) 17 (432) FPN732R12XS RS 288 (131) 51 (1294) 31 (787) (699) FPN732R13XS RS 288 (131) 51 (1294) 31 (787) (699) FPN740G12XS RS 296 (135) 72 (1827) 52 (1321) (1232) FPN740G13XS RS 296 (135) 72 (1827) 52 (1321) (1232) FPN747R12XS RS 306 (139) 72 (1827) 52 (1321) (1232) FPN747R13XS RS 306 (139) 72 (1827) 52 (1321) (1232) 3 Wired for 3-phase operation only RAPID SHIP RS - Same day shipment up to 5 pieces 5"-150# FLANGE UN in. (93.7 mm) 5 inch lb ANSI Flange in. in. Ref. Ref. (141.3 (141.3 mm) mm) in. in. Ref. Ref. (320.7 (320.7 mm) mm) 4¼ 4¼ in. in. (108 (108 mm) mm) 2 Inlet 1¼ in. (32 mm) (2 Places) 65 8 in. (168.3 mm) ½ in. 18½ 18 in. Ref. Ref. (470 (470 mm) mm) 1¼ 1¼ in. in. (32 (32 mm) mm) (2 (2 Places) in. in. (193.7 (193.7 mm) mm) ½ in. 6 inch lb ANSI Flange in. Ref. (322.3 mm) UN 4¾ in. (121 mm) 65 8 in. Ref. (168.3 mm) in. Ref. (366.7 mm) 3 (89 mm) (2 Places) 8¾ in. (222 mm) WATLOW 369

72 WATROD and FIREAR irculation Heaters Application: Medium Weight Oils and Heat Transfer Oils WATROD or FIREAR elements Without thermostat General purpose enclosure # ode Ship Wt. "A" Dim. "" Dim. "" Dim. 6 inch lb ANSI Flange Description Volts kw Ph irc. Number Del. lbs (kg) 6 inch lb ANSI Flange (FIREAR) 15 W/in FPNF13G29S RS 217 (99) (1027) (521) 17 (432) FPNF16A29S RS 220 (100) Incoloy 2 (1027) (521) 17 (432) Element FPNF18G29S RS 223 (102) (1027) (521) 17 (432) (2.3 W/cm 2 ) FPNF22R29S RS 226 (103) (1027) (521) 17 (432) in. Ref. (322.3 mm) FPNF22R30S RS 226 (103) (1027) (521) 17 (432) FPNF27R29S RS 232 (106) 51 (1294) 31 (787) (699) FPNF27R30S RS 232 (106) 51 (1294) 31 (787) (699) Inlet FPNF32R29S RS 236 (107) 51 (1294) 31 (787) (699) FPNF32R30S RS 236 (107) 51 (1294) 31 (787) (699) FPNF42G29S RS 304 (138) 72 (1827) 52 (1321) (1232) FPNF42G30S RS 304 (138) 72 (1827) 52 (1321) (1232) FPNF51R29S RS 314 (143) 72 (1827) 52 (1321) (1232) UN FPNF51R30S RS 314 (143) 72 (1827) 52 (1321) (1232) 8 inch lb ANSI Flange (WATROD) 16 W/in FRN725N12S RS 350 (159) (1402.0) (830.0) (741.0) FRN725N13S RS 350 (159) Incoloy 4 (1402.0) (830.0) (741.0) Element FRN735N12S RS 380 (173) (1580.0) (1008.0) (919.0) (2.6 W/cm 2 ) FRN735N13S RS 380 (173) (1580.0) (1008.0) (919.0) FRN744E12S RS 410 (186) (1774.8) "-150# 8 (1203.3) FLANGE (1114.4) FRN744E13S RS 410 (186) (1774.8) (1203.3) (1114.4) FRN754M12S RS 445 (202) (2016.1) (1444.6) (1355.7) FRN754M13S RS 445 (202) (2016.1) (1444.6) (1355.7) FRN763M13S RS 490 (223) (2244.7) (1673.2) (1584.3) FRN773D13S RS 530 (241) (2498.7) (1927.2) (1838.3) FRN782M13S RS 560 (254) (2498.7) (1927.2) (1838.3) 8 inch lb ANSI Flange (WATROD) 16 W/in FRN726D12XS RS 358 (163) (1402.0) (830.0) (741.0) FRN726D13XS RS 358 (163) Incoloy 4 (1402.0) (830.0) (741.0) Elements FRN736D12XS RS 392 (178) (1580.0) (1008.0) (919.0) (2.6 W/cm 2 ) FRN736D13XS RS 392 (178) (1580.0) (1008.0) (919.0) FRN744M12XS RS 425 (193) (1774.8) (1203.3) (1114.4) FRN744M13XS RS 425 (193) (1774.8) (1203.3) (1114.4) FRN754M12XS RS 463 (210) (2016.1) (1444.6) (1355.7) FRN754M13XS RS 463 (210) (2016.1) (1444.6) (1355.7) FRN763M13XS RS 511 (232) (2244.7) (1673.2) (1584.3) FRN773D13XS RS 554 (252) (2498.7) (1927.2) (1838.3) FRN782M13XS RS 587 (267) (2498.7) (1927.2) (1838.3) 3 Wired for 3-phase operation only RAPID SHIP RS - Next day shipment up to 2 pieces 4¾ in. (121 mm) 65 8 in. Ref. (168.3 mm) in. Ref. (366.7 mm) 370 Flange WATLOW 10"-150# FLANGE in. Ref. (373.1 mm) UN 2 Inlet 3 (89 mm) (2 Places) 8¾ in. (222 mm) 8 inch lb ANSI Flange 75 8 in. (193.7 mm) 3 in. Inlet & Outlet 5¾ in. (146 mm) 14 Ref. (368 mm) 3 (89 mm) (2 Places) 10¾ in. (273 mm) in. (328.6 mm) (2) ¾ -10 UN 2 Holes

73 WATROD and FIREAR irculation Heaters Application: Medium Weight Oils and Heat Transfer Oils WATROD or FIREAR elements Without thermostat General purpose enclosure 12"-150# FLANGE 5 in. Flange Inlet & Outlet # ode Ship Wt. "A" Dim. "" Dim. "" Dim. Description Volts kw Ph irc. Number Del. lbs (kg) 10 inch lb ANSI Flange (WATROD) in. Ref. 16 W/in 2 3 (411.2 mm) FSN763N13S S 540 (245) (2305) (1891) (2070) 27-Incoloy FSN773E13S S 600 (273) (2686) (2272) (2451) Elements (2.6 W/cm 2 ) 12 inch lb ANSI Flange (WATROD) 16 W/in Incoloy FTN77313S S 650 (295) (2705) (2295.5) (2475) Elements (2.6 W/cm 2 ) in. (377.8 mm) 14 in. (356 mm) (2) ¾ -10 UN 2 Holes in. Ref. (230.2 mm) (13 mm) 7 8 in. (22.2 mm) X 2 in. (51 mm) Slot 14 inch lb ANSI Flange (WATROD) 16 W/in FWN754J13S S 600 (273) (2115) 67 (1700) 74 (1880) 45-Incoloy FWN763J13S S 650 (295) (2305) (1891) (2070) Elements (2.6 W/cm 2 ) S - Standard, (10) day lead time 10 inch lb ANSI Flange 3 in. Flange Inlet & Outlet 11 (292 mm) 15¾ in. Ref. (400 mm) in. (327 mm) in. (328.6 mm) (2) ¾ -10 UN 2 Holes 9 in. Ref. (229 mm) (13 mm) in. (22.2 mm) X 2 in. (51 mm) Slot 5 in. Flange Inlet & Outlet in. Ref. (411.2 mm) in. (377.8 mm) 14 in. (356 mm) 3 Wired for 3-phase operation only 12 inch lb ANSI Flange 14 inch lb ANSI Flange (2) ¾ 14"-150# -10 UN FLANGE 2 Holes in. Ref. (230.2 mm) (13 mm) 7 8 in. (22.2 mm) X 2 in. (51 mm) Slot 4 6 in. Flange Inlet & Outlet in. Ref. (414.3 mm) 12 (318 mm) 3 (89 mm) in. (410 mm) 15 in. (381 mm) 11 (292 mm) 4 9¼ in. Ref. (235 mm) (13 mm) 4 (2) ¾ -10 UN 2 Holes 7 8 in. (22.2 mm) X 2 in. (51 mm) Slot 12 (318 mm) 12 (318 mm) 12 (318 mm) WATLOW 371

74 WATROD and FIREAR irculation Heaters Application: unker, Asphalt and #6 Fuel Oil WATROD or FIREAR elements Without thermostat General purpose enclosure # ode Ship Wt. "A" Dim. "" Dim. "" Dim. Description Volts kw Ph irc. Number Del. lbs (kg) inch Screw Plug (FIREAR) 8 W/in DNF16G22S RS 26 (12) (625.5) 15 (381) (79.4) 1-Incoloy DNF19G22S RS 30 (14) (828.7) 23 (584) 3 (76.0) Elements DNF24L22S RS 31 (14) (828.7) 23 (584) 3 (76.0) (1.3 W/cm 2 ) DNF24L21S RS 31 (14) (828.7) 23 (584) 3 (76.0) DNF29R22S RS 43 (20) (1082.7) 32 (813) 4 (102.0) DNF29R21S RS 43 (20) (1082.7) 32 (813) 4 (102.0) DNF34R22S RS 44 (20) (1082.7) 32 (813) 4 (102.0) DNF34R21S RS 44 (20) (1082.7) 32 (813) 4 (102.0) DNF45G22S RS 69 (31) (1616.1) 53 (1346) 4 (102.0) DNF45G21S RS 69 (31) (1616.1) 53 (1346) 4 (102.0) DNF55R22S RS 71 (32) (1616.1) 53 (1346) 4 (102.0) DNF55R21S RS 71 (32) (1616.1) 53 (1346) 4 (102.0) inch Screw Plug (WATROD) 8 W/in LS732E12S RS 29 (14) (1135) (1129) (673) 3-Steel LS732E13S RS 29 (14) (1135) (1129) (673) Elements LS747E12S RS 32 (15) (1453) 45 (1143) 39 (991) (1.3 W/cm 2 ) LS747E13S RS 32 (15) (1453) 45 (1143) 39 (991) RAPID SHIP RS - Same day shipment up to 5 pieces 3 Wired for 3-phase operation only inch Screw Plug in. Ref. (163.5 mm) ¾ in. Inlet Ref. 4 in. (102 mm) 3¾ in. (95 mm) inch Screw Plug in. Ref. (182.6 mm) in. (284.2 mm) 1 in. Inlet 1¼ in. (32 mm) in. (125.4 mm) Ref in. (142.9 mm) 31 8 in. (79.4 mm) 43 8 in. (111.1 mm) 372 WATLOW

75 WATROD and FIREAR irculation Heaters Application: unker, Asphalt and #6 Fuel Oil WATROD or FIREAR elements Without thermostat General purpose enclosure Description Volts kw Ph # irc. ode Number Del. Ship Wt. lbs (kg) "A" Dim. "" Dim. "" Dim inch Screw Plug (FIREAR) 8 W/in LNF1522S RS 22 (10) (881) (572) (419) LNF1822S RS 23 (10) 34 3-Incoloy 4 (881) (572) (419) Elements LNF2322S RS 31 (14) (881) (572) (419) (1.3 W/cm 2 ) LNF2321S RS 31 (14) (881) (572) (419) LNF28L22S RS 34 (15) (1135) (1129) (673) LNF28L21S RS 34 (15) (1135) (1129) (673) LNF33L22S RS 35 (16) (1135) (1129) (673) LNF33L21S RS 35 (16) (1135) (1129) (673) LNF4422S RS 44 (20) (1453) 45 (1143) 39 (991) LNF4421S RS 44 (20) (1453) 45 (1143) 39 (991) LNF54L22S RS 52 (24) (1453) (1308) (1181) LNF54L21S RS 52 (24) (1453) (1308) (1181) 3 inch lb ANSI Flange (WATROD) 8 W/in FMS733A12S RS 96 (44) (1148) (826) (673) FMS733A13S RS 96 (44) (1148) (826) (673) 3-Steel Elements FMS748A12S RS 107 (49) (1465) 45 (1143) 39 (991) (1.3 W/cm 2 ) FMS748A13S RS 107 (49) (1465) 45 (1143) 39 (991) RAPID SHIP RS - Same day shipment up to 5 pieces 3 Wired for 3-phase operation only inch Screw Plug in. Ref. (182.6 mm) in. (284.2 mm) 1 in. Inlet in. (125.4 mm) 1¼ in. (32 mm) Ref in. (142.9 mm) 43 8 in. (111.1 mm) 31 8 in. (79.4 mm) 3 inch lb ANSI Flange 43 8 in. (111.1 mm) in. Ref. (195.3 mm) 1 in. Inlet & Outlet 11 Ref. (292 mm) UN 31 8 in. Dia. (79.4 mm) Ref. 1¼ in. (32 mm) (2 Places) 55 8 in. Ref. (142.9 mm) WATLOW 373

76 WATROD and FIREAR irculation Heaters Application: unker, Asphalt and #6 Fuel Oil WATROD or FIREAR elements Without thermostat General purpose enclosure # ode Ship Wt. "A" Dim. "" Dim. "" Dim. Description Volts kw Ph irc. Number Del. lbs (kg) in (mm) 4 inch lb ANSI Flange (WATROD) FOS740J12S RS 229 (104) (1789) 52 (1321) (1232) FOS740J13S RS 229 (104) (1789) 52 4"-150# (1321) (1232) 8 W/in Steel Elements (1.3 W/cm 2 ) FOS748A12S RS 234 (106) (1789) 52 (1321) (1232) FOS748A13S RS 234 (106) (1789) 52 (1321) (1232) FOS764J12S RS 298 (135) (2326) 73 (1854) 66 (1676) FOS764J13S RS 298 (135) (2326) 73 (1854) 66 (1676) FOS777A12S RS 306 (139) ) 73 (1854) 66 (1676) FOS777A13S RS 306 (139) (2326) 73 (1854) 66 (1676) 4 inch lb ANSI Flange (FIREAR) 8 W/in Incoloy Elements (1.3 W/cm 2 ) FONF16J22S RS 128 (58) 39 (989) (521) 17 (432) FONF19J22S RS 130 (59) 39 (989) (521) 17 (432) FONF24J22S RS 133 (61) 39 (989) (521) 17 (432) FONF24J21S RS 133 (61) 39 (989) (521) 17 (432) FONF30A22S RS 168 (77) (1256) 31 (787) (699) FONF30A21S RS 168 (77) (1256) 31 (787) (699) FONF35A22S RS 170 (77) (1256) 31 (787) (699) FONF35A21S RS 170 (77) (1256) 31 (787) (699) FONF45J22S RS 236 (107) (1789) 52 (1321) (1232) FONF45J21S RS 236 (107) (1789) 52 (1321) (1232) FONF56A22S RS 240 (109) (1789) 52 (1321) 5"-150# (1232) FONF56A21S RS 240 (109) (1789) 52 (1321) FLANGE (1232) 5 inch lb ANSI Flange (WATROD) 8 W/in FNS740J12S RS 167 (76) (1427.0) 37 (940.0) (473.1) FNS740J13S RS 167 (76) (1427.0) 37 (940.0) (473.1) 6-Steel FNS748A12S RS 180 (82) 67 Elements 4 (1719.0) (1232.0) 25 (633.0) (1.3 W/cm 2 ) FNS748A13S RS 180 (82) (1719.0) (1232.0) 25 (633.0) FNS764J12S RS 195 (89) (2060.6) (1571.6) (784.2) FNS764J13S RS 195 (89) (2060.6) (1571.6) (784.2) FNS777A12S RS 220 (100) (2390.8) 75 (1902.0) 38 (964.0) FNS777A13S RS 220 (100) (2390.8) 75 (1902.0) 38 (964.0) 5 inch lb ANSI Flange (WATROD) 8 W/in Steel Elements (1.3 W/cm 2 ) FNS740J12XS RS 173 (79) (1427.0) 37 (940.0) (473.1) FNS740J13XS RS 173 (79) (1427.0) 37 (940.0) (473.1) FNS748A12XS RS 188 (86) (1719.0) (1232.0) 25 (633.0) FNS748A13XS RS 188 (86) (1719.0) (1232.0) 25 (633.0) FNS764J12XS RS 206 (94) (2060.6) (1571.6) (784.2) FNS764J13XS RS 206 (94) (2060.6) (1571.6) (784.2) FNS777A12XS RS 233 (106) (2390.8) 75 (1902.0) 38 (964.0) FNS777A13XS RS 233 (106) (2390.8) 75 (1902.0) 38 (964.0) 6"-150# 3 Wired for 3-phase operation only RAPID SHIP RS - Same day shipment up to 5 pieces 4 inch lb ANSI Flange in. Ref. (320.7 mm) Inlet 1 Inlet UN in. Ref. (320.7 mm) in. (147.6 mm) in. (147.6 ½ mm) in in. Ref. (365.1 mm) in. Ref. (365.1 mm) 1¼ in. (32 mm) (2 Places) 65 8 in. (168.3 mm) 1¼ in. ½ (32 in. mm) (2 Places) 65 8 in. (168.3 mm) in. Ref. WATLOW FLANGE FLANGE in (93.7 UN mm) in. (93.7 mm) 5 inch lb ANSI Flange in. Ref. (141.3 mm) in. Ref. (320.7 mm) 2 in. Inlet UN 4¼ in. (108 mm) (322.3 mm) 18 Ref. (470 mm) 1¼ in. (32 mm) (2 Places) 75 8 in. (193.7 mm) 65 8 in. Ref. (168.3 mm) in. Ref. (366.7 mm)

77 WATROD and FIREAR irculation Heaters Application: unker, Asphalt and #6 Fuel Oil WATROD or FIREAR elements Without thermostat General purpose enclosure # ode Ship Wt. "A" Dim. "" Dim. "" Dim. 6 inch lb ANSI Flange Description Volts kw Ph irc. Number Del. lbs (kg) 6 inch lb ANSI Flange (WATROD) 8 W/in FPS732R12S RS 226 (103) 51 (1294) 31 (787) (699) 12-Steel FPS732R13S RS 226 (103) 51 (1294) 31 (787) (699) Element FPS740G12S RS 290 (132) 72 (1827) 52 (1321) (1232) (1.3 W/cm 2 ) in. Ref FPS740G13S RS 290 (132) 72 (1827) 52 (1321) (1232) (322.3 mm) FPS747R12S RS 298 (136) 72 (1827) 52 (1321) (1232) FPS747R13S RS 298 (136) 72 (1827) 52 (1321) (1232) 2 Inlet FPS764G12S RS 360 (164) 93 (2361) 73 (1854) 66 (1676) FPS764G13S RS 360 (164) 93 (2361) 73 (1854) 66 (1676) FPS776R13S RS 368 (167) 93 (2361) 73 (1854) 66 (1676) 6 inch lb ANSI Flange (WATROD) 8 W/in FPS732R12XS RS 288 (131) 51 (1294) 31 (787) (699) 15-Steel FPS732R13XS RS 288 (131) 51 (1294) 31 (787) (699) Element FPS740G12XS RS 296 (135) 72 (1827) 52 (1321) (1232) (1.3 W/cm 2 ) FPS740G13XS RS 296 (135) 72 (1827) 52 (1321) (1232) FPS747R12XS RS 306 (139) 72 (1827) 52 (1321) (1232) FPS747R13XS RS 306 (139) 72 (1827) 52 (1321) (1232) FPS764G12XS RS 370 (168) 93 (2361) 73 (1854) 66 (1676) FPS764G13XS RS 370 (168) 93 (2361) 73 (1854) 66 (1676) FPS776R12XS RS 381 (173) 93 (2361) 73 (1854) 66 (1676) FPS776R13XS RS 381 (173) 93 (2361) 73 (1854) 66 (1676) UN 4¾ in. (121 mm) 65 8 in. Ref. (168.3 mm) in. Ref. (366.7 mm) 3 (89 mm) (2 Places) 8¾ in. (222 mm) 6 inch lb ANSI Flange (FIREAR) 8 W/in FPNF16J22S RS 220 (100) (1027) (521) 17 (432) 15-Incoloy FPNF19J22S RS 223 (102) (1027) (521) 17 (432) Elements FPNF24J22S RS 226 (103) (1027) (521) 17 (432) (1.3 W/cm 2 ) FPNF24J21S RS 226 (103) (1027) (521) 17 (432) FPNF30A22S RS 232 (106) 51 (1294) 31 (787) (699) FPNF30A21S RS 232 (106) 51 (1294) 31 (787) (699) FPNF35A22S RS 236 (107) 51 (1294) 31 (787) (699) FPNF35A21S RS 236 (107) 51 (1294) 31 (787) (699) FPNF45J22S RS 304 (138) 72 (1827) 52 (1321) (1232) FPNF45J21S RS 304 (138) 72 (1827) 52 (1321) (1232) FPNF56A22S RS 314 (143) 72 (1827) 52 (1321) (1232) FPNF56A21S RS 314 (143) 72 (1827) 52 (1321) (1232) 3 Wired for 3-phase operation only RAPID SHIP RS - Same day shipment up to 2 pieces WATLOW 375

78 WATROD and FIREAR irculation Heaters Application: unker, Asphalt and #6 Fuel Oil WATROD or FIREAR elements Without thermostat General purpose enclosure # ode Ship Wt. "A" Dim. "" Dim. "" Dim. Description Volts kw Ph irc. Number Del. lbs (kg) 8"-150# 8 inch lb ANSI Flange (WATROD) FLANGE 8 W/in FRS743E12S RS 410 (186) (1580.0) (1008.0) (919.0) 18-Steel FRS743E13S RS 410 (186) (1580.0) (1008.0) (919.0) Elements FRS751M12S RS 440 (200) (1774.8) (1203.3) (1114.4) (1.3 W/cm 2 ) FRS751M13S RS 440 (200) (1774.8) (1203.3) (1114.4) FRS762D12S RS 480 (218) (2016.1) (1444.6) (1355.7) FRS762D13S RS 480 (218) (2016.1) (1444.6) (1355.7) FRS770M12S RS 530 (241) (2244.7) (1673.2) (1584.3) FRS770M13S RS 530 (241) (2244.7) (1673.2) (1584.3) FRS779M12S RS 610 (277) (2498.7) (1927.2) (1838.3) FRS779M13S RS 610 (277) (2498.7) (1927.2) (1838.3) RAPID SHIP RS - Next day shipment up to 2 pieces S - Standard, 10 day lead time 8 inch lb ANSI Flange in. (327 mm) in. (327 mm) 12 (318 mm) 12 (318 mm) 8 inch lb ANSI Flange (WATROD) ½ 8 W/in 2 in FRS743M12XS RS 425 (193) (1580.0) (1008.0) (919.0) 24-Steel FRS743M13XS RS 425 (193) (1580.0) (1008.0) (919.0) Elements FRS751M12XS RS 457 (208) (1774.8) (1203.3) (1114.4) 5¾ in. (146 mm) (1.3 W/cm 2 ) FRS751M13XS RS 457 (208) (1774.8) (1203.3) (1114.4) FRS762D12XS RS 461 (209) (2016.1) (1444.6) (1355.7) FRS762D13XS RS 461 (209) (2016.1) (1444.6) (1355.7) 10 inch lb ANSI Flange FRS770M12XS RS 554 (252) (2244.7) (1673.2) (1584.3) in. (328.6 mm) FRS770M13XS RS 554 (252) (2244.7) (1673.2) 10"-150# (1584.3) in. FLANGE (328.6 mm) (2) ¾ FRS779M12XS RS 636 (289) (2498.7) (1927.2) in. 8 (1838.3) UN 2 Flange (2) Holes ¾ FRS779M13XS RS 636 (289) (2498.7) (1927.2) 72 3 Inlet 3 in. & UN 2 8 (1838.3) Flange Outlet Holes Inlet & 11 Outlet (292 mm) inch lb ANSI Flange (WATROD) (292 mm) 9 in. Ref. 15¾ in. Ref. (229 8 W/in FSS762E12S S 540 (245) (2316.0) (1916.0) (2088.0) (400 mm) 9 in. mm) Ref. 15¾ in. Ref. (229 mm) (400 mm) 27-Steel FSS762E13S S 540 (245) (2316.0) (1916.0) (2088.0) Elements FSS770N12S S 600 (273) (2517.8) (2117.7) (2289.2) (1.3 W/cm 2 ) FSS770N13S S 600 (273) (2517.8) (2117.7) (2289.2) FSS778N12S S 645 (293) (2708.3) (2308.2) (2479.7) FSS778N13S S 645 (293) (2708.3) (2308.2) (2479.7) 3 Wired for 3-phase operation only (13 mm) in. Ref. (373.1 mm) UN 2 Inlet 75 8 in. (193.7 mm) (13 mm) 14 Ref. (368 mm) 3 (89 mm) (2 Places) 10¾ in. (273 mm) 7 8 in. (22.2 mm) X 2 in. (51 mm) Slot 7 8 in. (22.2 mm) X 2 in. (51 mm) Slot WATLOW

79 WATROD and FIREAR irculation Heaters Application: unker, Asphalt and #6 Fuel Oil WATROD or FIREAR elements Without thermostat General purpose enclosure # ode Ship Wt. "A" Dim. "" Dim. "" Dim. Description Volts kw Ph irc. Number Del. lbs (kg) 12 inch lb ANSI Flange (WATROD) 8 W/in FTS770L12S S 700 (318) 99 (2515) (2105.0) 90 (2284) 36-Steel FTS770L13S S 700 (318) 99 (2515) (2105.0) 90 (2284) Elements FTS778L12S S 750 (341) (2705) (2295.5) (2475) (1.3 W/cm 2 ) FTS778L13S S 750 (341) (2705) (2295.5) (2475) 14 inch lb ANSI Flange (WATROD) 8 W/in FWS770J12S S 700 (318) (2496) 82 (2081) 89 (2261) 45-Steel FWS770J13S S 700 (318) (2496) 82 (2081) 89 (2261) Elements FWS778J12S S 780 (354) (2686) (2272) (2451) (1.3 W/cm 2 ) FWS778J13S S 780 (354) (2686) (2272) (2451) RAPID SHIP S - Standard, (10) day lead time 3 Wired for 3-phase operation only 12 inch lb ANSI Flange 5 in. Flange Inlet & Outlet 14 in. (356 mm) (2) ¾ -10 UN 2 Holes 14 inch lb ANSI Flange 6 in. Flange Inlet & Outlet 15 in. (381 mm) (2) ¾ -10 UN 2 Holes in. Ref. (411.2 mm) in. Ref. (230.2 mm) in. Ref. (414.3 mm) 11 (292 mm) 9¼ in. Ref. (235 mm) in. (377.8 mm) (13 mm) 7 8 in. (22.2 mm) X 2 in. (51 mm) Slot 4 3 (89 mm) in. (410 mm) (13 mm) 7 8 in. (22.2 mm) X 2 in. (51 mm) Slot 4 12 (318 mm) 12 (318 mm) WATLOW 377

80 WATROD and FIREAR irculation Heaters uild-a-ode Ordering Information To order, complete the code number to the right with the information below: Example: FONA18A10 S 5 HJ Stock Plug or ANSI Flange ode Number a Optional Terminal Enclosures 2 S = General purpose enclosure W = Moisture resistant enclosure E = Explosion resistant enclosure = Moisture/explosion resistant enclosure Optional Process Sensor 4 1 = 30 to 110 F (-1 to 43 ), SPST 2 = 30 to 250 F (-1 to 121 ), SPST 3 = 175 to 550 F (79 to 288 ), SPST 4 = 30 to 110 F (-1 to 43 ), DPST 5 = 60 to 250 F (16 to 121 ), DPST (WATROD) 5A = 60 to 250 F (16 to 121 ), DPST (FIREAR) 7 = 100 to 550 F (38 to 288 ), DPST (WATROD) 7A = 100 to 550 F (38 to 288 ), DPST (FIREAR) J = Type J process thermocouple in thermowell K = Type K process thermocouple in thermowell Sheath Limit Sensor 3 HJ = Type J high-limit thermocouple, horizontal mount TJ = Type J high-limit thermocouple, vertical/housing at top J = Type J high-limit thermocouple, vertical/housing at bottom HK = Type K high-limit thermocouple, horizontal mount TK = Type K high-limit thermocouple, vertical/housing at top K = Type K high-limit thermocouple, vertical/housing at bottom aatalog part numbers include standard option enclosures and process sensors. To order optional enclosures or sensors, substitute the appropriate suffix. bstandard catalog listings include either a general purpose enclosure or moisture/explosion resistant enclosure. Substitute enclosure options are noted. 3Heater orientation is critical to accurate sensing of limit conditioners. Use the appropriate code to indicate heater mounting orientation. 4Thermostat part numbers are shown in the Thermostat Stock hart on page WATLOW

81 WATROD and FIREAR Heaters ooster Heaters ooster heaters are ideal for circulating applications requiring less kilowatts, including engine preheating. ooster heaters are made from a steel or brass in. (32 mm) screw plug heater and insulated pressure vessel with 1 in. (25 mm) F inlet and outlet. This assembly also contains an integral thermostat. Performance apabilities Watt densities to 60 W/in 2 (9.3 W/cm 2 ) Wattages to 3 kilowatts Voltages to 480VÅ(ac) Steel sheath temperatures to 750 F (400 ) opper sheath temperatures to 350 F (175 ) Features and enefits Dual voltages Simplifies stocking and wiring arbon steel, standard pipe wall vessel ompatible with many applications One inch thick (25 mm) fiberglass thermal insulation rated to 750 F (400 ) Reduces heat loss Steel jacket (shroud) Fully welded and painted to protect thermal insulation Inlet and outlet nozzle connections Threaded F connections meet OEM standards General purpose (NEMA 1) terminal enclosures Protects terminals and thermostat Integral thermostat controls process temperatures from: 60 to 160 F (15 to 70 ) on copper sheath elements and 175 to 550 F (80 to 290 ) on steel sheath elements Minimizes the amount of time that the heater operates while the engine is running Applications Stand by generators Peak power trimming generators Mobile generator sets Earth moving equipment Water heaters Lightweight oils onduit Opening 4 in. (100 mm) O.D. Jacket Insulation 1 in. (25 mm) F Inlet Pipe NEMA 1 Terminal Enclosure with Integral Thermostat 1 in. (25 mm) F Outlet Pipe Vessel WATROD Element WATLOW 379

82 WATROD and FIREAR Heaters ooster Heaters Options Terminal Enclosure General purpose (NEMA 1) terminal enclosures with integral thermostats are supplied on all Watlow booster heaters. Optional moisture resistant (NEMA 4) terminal enclosures protect wiring and thermostat from liquid contaminants. To order, request the moisture resistant enclosure option. For explosion resistant (NEMA 7) and explosion/moisture resistant (NEMA 7/4) terminal enclosures, request the explosion/moisture resistant option. ode Est. Ship. Number Wt. Description kw Phase 120/240VÅ(ac) lbs (kg) Application: Aqueous Solutions 60 W/in E8G6 18 (8.2) rass Plug E10F6 18 (8.2) 2-opper E12F6 18 (8.2) (9.3 W/cm 2 ) E15A6X 18 (8.2) Application: Lightweight Oils 23 W/in ES7G6 18 (8.2) Steel Plug ES (8.2) 2- Steel ES12P6 18 (8.2) (3.6 W/cm 2 ) All units are Assembly Stock For optional housing adders use circulation heater adders. ¾ in. onduit Opening Removable Terminal over 4 in. (102 mm) Outside Diameter 45 8 in. (117.5 mm) in. (96.8mm) in. (176.2 mm) 14 in. (356 mm) in. (531.8 mm) Outlet 1 in. (25 mm) F Inlet 1 in. (25 mm) F How to Order To order a booster heater, please specify: Watlow code number Volts/watts Options Quantity If the booster heater requires an optional NEMA 4 terminal enclosure, clearly state this request when placing your order. If our assembly stock units do not meet your application needs, Watlow can provide a made-to-order unit. For made-to-order units, contact your Watlow representative and provide the following information: Application Volts/watts Watt density Phase Terminal enclosure type Options Quantity Availability Assembly Stock: Five to seven working days Modified Stock ➀ : Five to seven working days Made-to-Order: Six to eight weeks Options, complexity and quantity may affect availability and lead times. ontact your Watlow representative. ➀ Assembly stock units with catalog options. 380 WATLOW

83 WATROD and FIREAR Heaters Engine Preheaters Watlow engine preheaters help maintain a desired minimum engine temperature to make starting fast and easy. They also reduce engine wear caused by cold engine starting. Engine preheaters mount conveniently on an engine or rail. The internal thermostat constantly adjusts to ambient temperature changes to keep engine coolant warm at all times. An internal tank temperature sensor protects Watlow engine preheaters from dry fire conditions caused by low coolant levels or blocked flow. Installation is easy with just two mounting bolts and inlet and outlet hose connections. Performance apabilities Watt densities from 45 to 90 W/in 2 (7 to 14 W/cm 2 ) Wattages to 6 kilowatts UL and SA component recognition to 480VÅ(ac) and 600VÅ(ac) respectively. Thermostatically controlled from 60 to 160 F (15 to 70 ) Incoloy sheath temperatures to 1600 F (870 ) Features and enefits Incoloy sheath Minimizes the risk of premature failure in the event of a dry-fire condition Integral, prewired adjustable thermostat mounted in a general purpose (NEMA 1) terminal enclosure Provides a ready to install unit Easy installation with standard 1 in. (25 mm) diameter beaded inlet and outlet nozzles Rubber hose connections eliminate the need for threaded fittings and adapters 120/240VÅ(ac) or 240/480VÅ(ac) dual voltages Makes field wiring flexible Minimizes stocking multiple voltages Mounting bracket Isolates harmful engine vibration Heavy-duty welded carbon steel tank Resists corrosion and extends life Optional oil pressure interconnect switch Disrupts power during engine operation Integral check valve Assures proper coolant flow and correct thermostat operation. heck valve will not interfere with adequate thermo-siphoning UL and SA component Recognition under file numbers E52951 and respectively. Applications Stand by generators Primary power generators Firepump engines Options Terminal Enclosure The following terminal enclosures are available: Standard, general purpose (NEMA 1) Moisture resistant (NEMA 4) Explosion resistant (NEMA 7) lass 1, groups, and D. For lass 1, group enclosures, contact your Watlow representative. Threaded Nozzles arbon steel threaded inlets and outlets are available for installations using rigid piping or threaded adapters. Threaded nozzles are typically supplied for firepump applications. To order, specify threaded nozzles and size. WATLOW 381