Models Q90-25 Q90-50 Q90-75 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 An ISO 900-2008 Certified Company 220 Dwyer Avenue, Utica NY 3504-4729 web site: www.ecrinternational.com P/N 240009452, Rev. B [02/203]
JACKET AND BASE ASSEMBLY 2 a 3 4 b 0 9 2 3 4 6 5 9 5 6 8 7 6 7 8 2
JACKET AND BASE ASSEMBLY ITEM PART NO. DESCRIPTION QTY. 227244 Base Replacement Kit (25-200) 2 65000028 Control Panel 3 4662803 Control Integrated 4 55000339 40 VA Transformer Replacement Kit 5 46336 4 x 4 x 2⅛ J-Box 6 46339 Switch, P & S 7 46338 J-Box Plate Cover 8 227252AC Jacket Panel, Left Side Replacement Kit, Blue 9 22725AC Jacket Panel, Right Side Replacement Kit, Blue 0 7500003AC Jacket Panel, Back, Blue a 2370003AC Jacket Panel, Top Left, Blue b 2370004AC Jacket Panel, Top Right, Blue 2 4695074 Screw #0 x ½ ZP 4 3 75000034 Jacket Tie Bar 4 4695060 Screw #0 x ½ 2 5 22503 Tap Bumper 4 6 22502 Latch and Clip Kit 7 463095 Door Pull 8 227250AC Jacket Service Door Replacement Kit 9 248500 Pressure Switch Mounting Plate * 240006970 Wire Harness * 46374 2½ Plug * 227264 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-006.0 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 ITEM PART NO. DESCRIPTION QTY. 227249 Burner Replacement Kit 2 250009 Burner/Casting Gasket 3 250008 Burner/Flue Adapter Gasket 4 20022 Flue Adapter 5 469580 Hex Nut w/serrated Washer ¼ -20 5 6 4500 Threaded Stud ¼ -20 x ½ 5 Hot Surface Igniter Replacement Kit (P/N#550002068) (includes Items 7-9 (below)) 7 _ Igniter/Mixer Gasket 8 _ Hot Surface Igniter 9 _ Screw 0-32 x ⅜ 2 5
BOILER BLOCK AND PIPING ASSEMBLY 6
BOILER BLOCK AND PIPING ASSEMBLY ITEM PART NO. DESCRIPTION QTY. 227260 Block Replacement Kit (Includes the following) 240006955 Bushing, 3/4 x /8 Forged Steel 6 240006459 Bushing, ½ x ¼ 3000# Forged Steel 7 240006957 Plug, " Forged Steel 2 8 240006952 Bushing, ¾ x ½ Forged Steel 9 24000943 Well, Control ½" Hydrolevel 0 23000 Barb fitting, /8 x 3/6 469002 Observation glass ¾ 2 463004 Adapter 3 240007283 Aluminum Monoblock Machined 20 24000695 Pipe nipple, /2 x close Forged Steel 26 500005 Casting temp safety switch * 4500 Threaded Stud /4-20 x ½ 5 * 469580 Nut, ¼-20 HWS 5 * 240006460 Sealant, Anaerobic, 250 ML tube * 040004 Bolt, 5/6 x ½ Carriage 4 * 33000 Nut, 5/6-8 Whizlok, 4 * 4695004 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 060002 ¾ x ¼ Std. Black Iron Bushing 4 260006SP Temp/Pressure Gauge, 2 Shank 5 PF0650 ¼ x 7 NPT Std. Black Pipe Nipple 4 240006957 Plug, " Forged Steel 2 5 90002 Elbow ¼ x 90 6 30002 Nipple, Std. Blk. ¼ x 4½ 7 90004 ¼ Street Elbow Blk. 90 8 5000 Reducing Tee ½ x ¼ x ¾ 9 240009323 Valve BLR DR ¾ 2 463302 Clamp stainless steel #44 2 22 240006827 Vent Pipe 2 CPVC SCH-40 x 7 S636 23 46330 Hose 3 Long x 2⅜ ID x 2¾ OD 24 395002 ¼ Socket Head Plug 6 27 4695802 Screw Soc HD Cap 8-32 x 3 /6 2 28 4607002 ¾ x 6½ Std. Black Nipple 29 46220 ¾ Relief Valve 30 580006 Air Purge Vent w/check Valve * 290009365 High Limit, LWCO Control 550002586 Kit, replacement LWCO /High Limit Control 550002586 LWCO * Replacement Kit * Not Shown 240009365 LWCO, High Limit 24000943 Well, High Limit 7
EXHAUST TEE AND CONDENSATE TRAP ASSEMBLY 29 /2" LONG 2" LONG 2 3 3/8" LONG 7" LONG 0 6 8 3 3/4" LONG 7 5 4 7 8 3 3/4" LONG 7 9 2" LONG ITEM PART NO. DESCRIPTION QTY. 240006820 Vent Pipe 2 CPVC SCH-40 x 29½ S636 2 2 300406 Tee 2 CPVC SCH-80 S636, w/ hole 3 240006827 Vent Pipe 2 CPVC SCH-40 x 7 S636 4 240005852 Cleanout, PVC, 2 * 240007536 Parts Bag, 90-200 Condensate (contains items 5-) 5 00002 PVC Fitting ½ NPT Male x ½ Slip Female 6 240007260 Pipe ½ PVC SCH-40 x ⅜ 7 90005 Elbow ½ x 90 PVC SCH-40 3 8 240007262 Pipe ½ PVC SCH-40 x 3¾ 2 9 24000726 Pipe ½ PVC SCH-40 x 2 0 5002 Tee ½ x ½ x ½ PVC SCH-40 240007263 Pipe ½ PVC SCH-40 x 2 * 2957 3 Concentric Vent Kit ULC S636 * 240006822 Coupling, 2 CPVC 55000925 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 7 6 8 3 /4" 4 GAS VALVE AIR INLET CONNECTION 9 4 6" 9 4 6 /2" ITEM PART NO. DESCRIPTION QTY. 55204 Silicone Tubing, 3 /6 I.D. Varies 2 40004 Air Pressure Switch, 3½ W.C. 3 40002 Air Pressure Switch Clip 2 4 552004 Orange Silicone Tubing, 3 /6 I.D. Varies 5 40003 Air Pressure Switch. ½ W.C. 6 230006 3 /6 Black Vinyl Cap 2 7 50009 Plastic Barbed Hose Tee, 3 /6 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. 227245 Blower Replacement Kit (includes #3 (below)) 227240 Gas Valve Replacement Kit (25 22724 Gas Valve Replacement Kit (50 2 227242 Gas Valve Replacement Kit (75 227243 Gas Valve Replacement Kit (200 3 4633 2 x ½ Flex Coupling 4 570038 Ball Valve ½ (Blue) 5 400007 Vent Pipe 2 PVC SCH-40 (8 Long) 6 2300 Fitting, PE, ⅛ NPT x 3 /6, Barb 90 7 45002 Screw T25 Torx 2 8 469380 Elbow Street Mall ½ - 90 PWX 2 9 460730 Nipple Blk. Std. ½ NPT x 3 2 0 22505 Cap ½ Cast Iron 465705 Tee Black ½ 2 4607803 Nipple Blk. Std. ½ x 4½ 3 25002 Gasket, Cork, Venturi 4 250007 Gasket, Fan Flue Adapter * 272033 Nat to LP Replacement Kit (25 * 272034 Nat to LP Replacement Kit (50 * 272035 Nat to LP Replacement Kit (75 * 272036 Nat to LP Replacement Kit (200 * 272037 LP to Nat Replacement Kit (25-200) * Not Shown
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