Models Q90-25 Q90-50 Q90-5 Q90-200 Q90 25-200 SERIES II GAS-FIRED DIRECT VENT CONDENSING HOT WATER BOILER REPAIR PARTS, OPTIONAL KITS Ordering Instructions Order Parts through your nearest supplier. When ordering parts, obtain Model Number and Serial Number from data plate on your boiler. Include following information when ordering. Part Number Part Description Boiler Model Number Boiler Serial Number Manufactured by: ECR International, Inc. 220 Dwyer Avenue, Utica NY 350 web site: www.ecrinternational.com P/N 240009452, Rev. D [04/205]
Flame Valve Power Power Purge Ignitor Valve Flame JACKET AND BASE ASSEMBLY 2 a 3 4 b Purge Ignitor 0 9 2 3 4 5 9 5 8 8 2
JACKET AND BASE ASSEMBLY ITEM PART NO. DESCRIPTION QTY. 22244 Base Replacement Kit (25-200) 2 5000028 Control Panel 3 42803 Control Integrated 4 55000339 40 VA Transformer Replacement Kit 5 433 4 x 4 x 2⅛ J-Box 4339 Switch, P & S 4338 J-Box Plate Cover 8 22252AC 9 2225AC Jacket Panel, Left Side Replacement Kit, Blue Jacket Panel, Right Side Replacement Kit, Blue 0 500003AC Jacket Panel, Back, Blue a 230003AC Jacket Panel, Top Left, Blue b 230004AC Jacket Panel, Top Right, Blue 2 49504 Screw #0 x ½ ZP 4 3 5000034 Jacket Tie Bar 4 49500 Screw #0 x ½ 2 5 22503 Tap Bumper 4 22502 Latch and Clip Kit 43095 Door Pull 8 22250AC Jacket Service Door Replacement Kit 9 248500 Pressure Switch Mounting Plate * 2400090 Wire Harness * 434 2½ Plug * 2224 Jacket, Complete Replacement Kit, Blue * Not Shown 3
CIRCULATOR PUMPS (OPTIONAL) PART NO. DESCRIPTION QTY. CI-00.0 Circulator Pump w/flange, B&G CI-00.03 Circulator Pump w/flange, Taco CI-00.0 Circulator Pump w/flange, Grundfos (a) Please specify pump when ordering. Consult factory for details. (b) Not available on all models. Consult factory for details. (a) 4
BURNER ASSEMBLY 2 8 9 3 4 5 ITEM PART NO. DESCRIPTION QTY. 22249 Burner Replacement Kit 2 250009 Burner/Casting Gasket 3 250008 Burner/Flue Adapter Gasket 4 20022 Flue Adapter 5 49580 Hex Nut w/serrated Washer ¼ -20 5 4500 Threaded Stud ¼ -20 x ½ 5 Hot Surface Igniter Replacement Kit (P/N#55000208) (includes Items -9 (below)) _ Igniter/Mixer Gasket 8 _ Hot Surface Igniter 9 _ Screw 0-32 x ⅜ 2 5
BOILER BLOCK AND PIPING ASSEMBLY 30 29 2 3 28 4 2 5 2 8 9 25 0 2 24 3 4 22 23 20 5 2 9 8
BOILER BLOCK AND PIPING ASSEMBLY ITEM PART NO. DESCRIPTION QTY. 2220 Block Replacement Kit (Includes the following) 24000955 Bushing, 3/4 x /8 Forged Steel 24000459 Bushing, ½ x ¼ 3000# Forged Steel 2400095 Plug, " Forged Steel 2 8 24000952 Bushing, ¾ x ½ Forged Steel 9 24000943 Well, Control ½" Hydrolevel 0 23000 Barb fitting, /8 x 3/ 49002 Observation glass ¾ 2 43004 Adapter 3 24000283 Aluminum Monoblock Machined 20 2400095 Pipe nipple, /2 x close Forged Steel 2 500005 Casting temp safety switch * 4500 Threaded Stud /4-20 x ½ 5 * 49580 Nut, ¼-20 HWS 5 * 2400040 Sealant, Anaerobic, 250 ML tube * 040004 Bolt, 5/ x ½ Carriage 4 * 33000 Nut, 5/-8 Whizlok, 4 * 495004 Self Tapping Screw 8-32 x 3/8 2 The following parts are not included in the block replacement kit 2 PF0590 ¼ x ¼ x ¾ Std. Black Tee 3 00002 ¾ x ¼ Std. Black Iron Bushing 4 2000SP Temp/Pressure Gauge, 2 Shank 5 PF050 ¼ x NPT Std. Black Pipe Nipple 4 2400095 Plug, " Forged Steel 2 5 90002 Elbow ¼ x 90 30002 Nipple, Std. Blk. ¼ x 4½ 90004 ¼ Street Elbow Blk. 90 8 5000 Reducing Tee ½ x ¼ x ¾ 9 240009323 Valve BLR DR ¾ 2 43302 Clamp stainless steel #44 2 22 2400082 Vent Pipe 2 CPVC SCH-40 x S3 23 4330 Hose 3 Long x 2⅜ ID x 2¾ OD 24 395002 ¼ Socket Head Plug 2 495802 Screw Soc HD Cap 8-32 x 3 / 2 28 40002 ¾ x ½ Std. Black Nipple 29 4220 ¾ Relief Valve 30 58000 Air Purge Vent w/check Valve * 24000935 High Limit, LWCO Control * 55000258 Kit, replacement LWCO /High Limit Control 55000258 LWCO Replacement Kit * Not Shown 24000935 LWCO, High Limit 24000943 Well, High Limit
EXHAUST TEE AND CONDENSATE TRAP ASSEMBLY 8 ITEM PART NO. DESCRIPTION QTY. 24000820 Vent Pipe 2 CPVC SCH-40 x 29½ S3 2 2 3002223 Tee 2 CPVC SCH-80 S3, w/ hole 3 2400082 Vent Pipe 2 CPVC SCH-40 x S3 4 240005852 Cleanout, PVC, 2 * 2400053 Parts Bag, 90-200 Condensate (contains items 5-8) 5 00002 PVC Fitting ½ NPT Male x ½ Slip Female 2400022 Pipe ½ PVC SCH-40 x 3¾ 5 90005 Elbow ½ x 90 PVC SCH-40 3 8 5002 Tee ½ x ½ x ½ PVC SCH-40 * 295 3 Concentric Vent Kit ULC S3 * 24000822 Coupling, 2 CPVC 55000294 condensate Trap / Exhaust Tee Kit (contains items 2 thru as well as parts for connecting to existing vent and condensate lines.) * Not Shown 8
MIXER AND AIR PRESSURE SWITCH ASSEMBLY 3 5 2 5 /2" 3" 2" 4" 4 4" 4 2 @ 2" EA. SIGHT GLASS & ADAPTER 8 3 /4" 4 GAS VALVE AIR INLET CONNECTION 9 4 " 9 4 /2" ITEM PART NO. DESCRIPTION QTY. 55204 Silicone Tubing, 3 / I.D. Varies 2 40004 Air Pressure Switch, 3½ W.C. 3 40002 Air Pressure Switch Clip 2 4 552004 Orange Silicone Tubing, 3 / I.D. Varies 5 40003 Air Pressure Switch. ½ W.C. 23000 3 / Black Vinyl Cap 2 50009 Plastic Barbed Hose Tee, 3 / I.D. 5 8 000 Rotor Clamp 22 9 PB-002.02 Pilot Orifice, BBR0 2 9
FLUE ADAPTER AND EXHAUSTER ASSEMBLY 0
FLUE ADAPTER AND EXHAUSTER ASSEMBLY ITEM PART NO. DESCRIPTION QTY. 22245 Blower Replacement Kit (includes #3 (below)) 2 22240 Gas Valve Replacement Kit (25 2224 Gas Valve Replacement Kit (50 22242 Gas Valve Replacement Kit (5 22243 Gas Valve Replacement Kit (200 3 433 2 x ½ Flex Coupling 4 50038 Ball Valve ½ (Blue) 5 40000 Vent Pipe 2 PVC SCH-40 (8 Long) 2300 Fitting, PE, ⅛ NPT x 3 /, Barb 90 45002 Screw T25 Torx 2 8 49380 Elbow Street Mall ½ - 90 PWX 2 9 4030 Nipple Blk. Std. ½ NPT x 3 2 0 22505 Cap ½ Cast Iron 4505 Tee Black ½ 2 40803 Nipple Blk. Std. ½ x 4½ 3 25002 Gasket, Cork, Venturi 4 25000 Gasket, Fan Flue Adapter * 22033 Nat to LP Replacement Kit (25 * 22034 Nat to LP Replacement Kit (50 * 22035 Nat to LP Replacement Kit (5 * 2203 Nat to LP Replacement Kit (200 * 2203 LP to Nat Replacement Kit (25-200) * Not Shown
Manufactured by: ECR International, Inc. 220 Dwyer Avenue, Utica NY 3504 web site: www.ecrinternational.com