Page 1
COMMERCIAL POWER BURNER BOILER
COMMERCIAL GAS SERVICE P ARTS LIST
COPPER BOILERS FOR HYDRONIC
A.O. Smith Water Heater Parts Fulfillment
125 Southeast Parkway • Franklin, TN 37068
www.hotwater.com • 1-800-433-2545
JACKET/FRAME ASSEMBLY
SEE PAGE 2
HEATING & HOT WATER SUPPLY
VF MODELS VB/VW 500, 750, 1000
SERIES100/101
COMBUSTION CHAMBER ASSEMBLY
SEE PAGE 3
BY-PASS
SEE PAGE 6
CONTROL PANEL
SEE PAGE 6
GAS TRAIN ASSEMBLY
SEE PAGE 5
A.O. Smith Water Heater Parts Fulfillment • phone: 1-800-433-2545 • www.hotwater.com
PRINTED 0308 212802-002
ECO/OUTLET PROBE
212892-000
INLET TEMP PROBE
212882-000
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Page 2
JACKET/FRAME ASSEMBL Y
Item Description VB/VW 500 VB/VW 750 VB/VW 1000
1 .............. Top/Corner Assembly ..........................................Call our Parts Fulfillment Department for replacement if neccessary.
2 ..............Plate ..................................................................... Call our Parts Fulfillment Department for replacement if neccessary.
3 .............. Upper Back Panel ................................................ Call our Parts Fulfillment Department for replacement if neccessary.
4 .............. Lower Back Panel ................................................ Call our Parts Fulfillment Department for replacement if neccessary.
5 .............. Left Side Panel ..................................................... Call our Parts Fulfillment Department for replacement if neccessary.
6 .............. Right Side Panel .................................................. Call our Parts Fulfillment Department for replacement if neccessary.
7 .............. Lower Curved Door Assembly ............................. Call our Parts Fulfillment Department for replacement if neccessary.
8 .............. Upper Curved Door Assembly ............................. Call our Parts Fulfillment Department for replacement if neccessary.
9 .............. Base Assembly .................................................... Call our Parts Fulfillment Department for replacement if neccessary.
10 .............UIM (User Interface Module) ............................................211762-000.................. 211762-000 ................211762-000
11 ............. 100VA Transformer .......................................................... 210449-000.................. 210449-000 ................210449-000
12 .............Alarm Bell (Optional Not Shown) .....................................211472-000.................. 211472-000 ................211472-000
A.O. Smith Water Heater Parts Fulfillment
125 Southeast Parkway • Franklin, TN 37068 • 1-800-433-2545 • www.hotwater.com
PRINTED 0308 2 of 8 212802-002
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Page 3
COMBUSTION CHAMBER ASSEMBLY PARTS LIST
Item Description VB/VW 500 VB/VW 750 VB/VW 1000
1 .............Heat Exchanger ASM. .................................................... 9006308005................. 9006309005 ................90006310005
*2 ............. Gasket - Burner ............................................................... 212837-000 ..................212837-001 ................. 212837-002
3 .............Burner ..............................................................................212345-000 ..................212345-001 ................. 212345-002
*4 ............. Gasket - Burner ............................................................... 212837-000 ..................212837-001 ................. 212837-002
5 .............Igniter.............................................................................. 9004504205 ................ 9004504205................. 9004504205
6 .............Sensor - Flame............................................................... 9005892215................. 9005892215 ................. 9005892215
7 .............Screw - Machine.....................................................................-----............................... ----- ...............................-----
8 .............Washer - Plain .......................................................................-----............................... ----- ............................... -----
9 .............. Low Gas Switch (Natural) .............................................. 191149-000................. 191149-000 .................191149-000
9 .............. Low Gas Switch (Propane) ............................................ 191149-006................. 191149-006 ................. 191149-006
10 .............Low Water Cut-off Probe................................................ 212958-000................. 212958-000.................212958-000
A.O. Smith Water Heater Parts Fulfillment
125 Southeast Parkway • Franklin, TN 37068 • 1-800-433-2545 • www.hotwater.com
PRINTED 0308 3 of 8 212802-002
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Page 4
BLOWER/GAS TRAIN ASSEMBLY P ARTS LIST
Item Description VB/VW 500 VB/VW 750 VB/VW 1000
1 .............Blower Adapter ................................................................212341-000 ................. 212341-000 ................. 212341-000
*2 .............Adapter Gasket ............................................................... 212837-000 ..................212837-001 ................. 212837-002
3 .............Blower Assembly............................................................. 212340-000 ................. 212340-000 ................. 212340-000
5 .............Venturi - Gas/Air.............................................................. 212311-000 ................. 212311-000 ................. 212859-000
7 .............Vent Adapter ...................................................................212339-000 ................. 212339-000 ................. 212339-000
8 .............Bolt - Hex Head Tap ............................................................ - - - - -........................... - - - - - ........................... - - - - -
9..............Nut - Hex, 1/4"-20 UNC ....................................................... - - - - -........................... - - - - - ........................... - - - - -
*10 ............Adapter Gasket ............................................................... 212837-000 ..................212837-001 ................. 212837-002
11.............Hex Flange/O-Ring Assembly ......................................... 212325-000 ................. 212325-000 ................. 212325-000
12.............Nipple Pipe 1" NPT.............................................................. - - - - -........................... - - - - - ........................... - - - - -
13.............Valve - Butterfly ...............................................................211391-001 ................. 211391-001 ................. 211391-001
14.............Elbow - Street 1".................................................................. - - - - -........................... - - - - - ........................... - - - - -
15.............Valve - Honeywell Modulation Gas ................................. 212324-000 ................. 212324-000 ................. 212324-000
A.O. Smith Water Heater Parts Fulfillment
125 Southeast Parkway • Franklin, TN 37068 • 1-800-433-2545 • www.hotwater.com
PRINTED 0308 4 of 8 212802-002
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Page 5
CONTROL P ANEL ASSEMBLY
Item Description VB 500 VB 750 VB 1000 VW 500 VW 750 VW 1000
1 ....Panel - Control........................................ - - - - - ........... - - - - - ............- - - - -............ - - - - - ........... - - - - - ............. - - - - -
2 ....Sleeve - Metal .....................................210832-000 . 210832-000 .. 210832-000.. 210832-000 . 210832-000... 210832-000
3 ....Washer - Metal ...................................210207-000 . 210207-000 ..210207-000 .. 210207-000 . 210207-000...210207-000
4 .... Board - Power Distribution ................ 211760-000 . 211760-000 ..211760-000.. 211760-000 . 211760-000... 211760-000
5 ....Switch - High Blower Prover ..............212551-000 . 212551-000 .. 212551-000.. 212551-000 . 212551-000... 212551-000
6 ....Switch - Low Blower Prover ...............212550-001 . 212550-001 .. 212550-002.. 212550-000 . 212550-001... 212551-002
7 ....Switch - Blocked Flue ....................... 9005686205 .9005686205 9005686205 . 9005686205. 9005686205 . 9005686205
8 ....Drive - Variable Frequency................. 212651-000 . 212651-000 ..212651-000..212651-000 . 212651-000 ... 212651-000
9 ....120V. Relay ............................................. - - - - - ........... - - - - - ............- - - - -....... 211546-000 . 211546-000...211546-000
10 ...Board - Modulation Control ................212785-000 . 212785-000 .. 212785-000.. 212785-000 . 212785-000... 212785-000
11... Low Water Cut-off (Optional Not Shown) . 212958-000 . 212958-000 .. 212958-000.. 212958-000 . 212958-000... 212958-000
12. ..VW Wiring Harness Kit (Not Shown) .....212795-000 . 212795-000 .. 212795-000.. 212795-000 . 212795-000... 212795-000
13.. . VB Wiring Harness Kit (Not Shown) ..... 212795-001 . 212795-001 .. 212795-001.. 212795-001 . 212795-001... 212795-001
A.O. Smith Water Heater Parts Fulfillment
125 Southeast Parkway • Franklin, TN 37068 • 1-800-433-2545 • www.hotwater.com
PRINTED 0308 5 of 8 212802-002
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Page 6
VB/VW BY-PASS PARTS LIST - ALL MODELS
Item Description All Models
Please update these numbers
1.... 2" x 2" x 2" NPT Brass Tee ..................................................................................................................- - - - -
2.... 2" Brass Close Nipple........................................................................................................................... - - - - -
3.... 2" Brass Union...................................................................................................................................... - - - - -
4.... 2" x 4" Brass Nipple..............................................................................................................................- - - - -
5.... 2" Ball Valve ......................................................................................................................................... - - - - -
6.... 2" x 2" Brass Nipple..............................................................................................................................- - - - -
A.O. Smith Water Heater Parts Fulfillment
125 Southeast Parkway • Franklin, TN 37068 • 1-800-433-2545 • www.hotwater.com
PRINTED 0308 6 of 8 212802-002
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Page 7
SERVICE FLANGE AND PUMP ASSEMBLY P ARTS LIST
Item Description VB 500/750/1000 VW 500/750/1000
1 ..............Flange Kit ................................................................................................... - - - - - ............................... 212894-000
2 ..............Pump .......................................................................................................... - - - - - ............................... 212893-000
3 ..............Gasket Inlet/Outlet................................................................................. 212903-000 .......................... 212903-000
4 ..............2" NPT Service Flange ............................................................................... - - - - - ............................... 212871-002
5 ..............T-Flange ................................................................................................ 212718-000........................... 212718-000
6 ..............Flow Switch ........................................................................................... 9005680205 ..........................9005680205
7 ..............Relief Valve:
...............VB Model ............................................................................................... 098883-007................................- - - - -
...............VW Model ................................................................................................... - - - - - ............................... 210451-001
8 ..............2" NPT Brass Nipple...................................................................................- - - - - ....................................- - - - -
9 ..............2" NPT Brass Elbow ................................................................................... - - - - - ....................................- - - - -
10............. 2" NPT In Service Flange ...................................................................... 212871-001................................- - - - -
11............. 2" NPT Service Flange .......................................................................... 212871-000................................- - - - -
A.O. Smith Water Heater Parts Fulfillment
125 Southeast Parkway • Franklin, TN 37068 • 1-800-433-2545 • www.hotwater.com
PRINTED 0308 7 of 8 212802-002
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Page 8
V ent Kit Parts List
Item Description VB/VW 500/750/1000
1 .............Vent Terminal (Horizontal) ......................................................................................................................... 191960
2..............Vent Terminal Inlet Assembly .................................................................................................................... 191965
3..............Coupling - Flex Adapter ............................................................................................................................. 191967
4..............Elbow - 90° ................................................................................................................................................. 192032
5..............Pipe - SAF - T 48" ..................................................................................................................................... 192039(1)
6..............Pipe - SAF - T 36" ......................................................................................................................................192039-1
7..............Boot - Tee ................................................................................................................................................... 192034
8..............Pipe - Vent PVC .........................................................................................................................................192035-1
9 .............. Condensate Drain Cover ........................................................................................................................... 192036
10 .............Coupling - PVC .......................................................................................................................................... 191988
11 .............Wall Cover Plate....................................................................................................................................... 192111(2)
12 .............Vent Terminal (Vertical) ............................................................................................................................. 191777
13 ............. Cauking - Silicone .....................................................................................................................................191482-1
14 .............Support System - Roof Jack ...................................................................................................................... 192076
A.O. Smith Water Heater Parts Fulfillment
125 Southeast Parkway • Franklin, TN 37068 • 1-800-433-2545 • www.hotwater.com
PRINTED 0308 8 of 8 212802-002
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