A.O. Smith VF VB 1000 Guide

1
ECO/OUTLET PROBE
212892-000
INLET TEMP PROBE
212882-000
PRINTED0308 212802-002
A.O. Smith Water Heater Parts Fulfillment • phone: [phone] • www.hotwater.com
JACKET/FRAME ASSEMBLY
SEE PAGE 2
CONTROL PANEL
SEE PAGE 6
COMBUSTION CHAMBER ASSEMBLY
SEE PAGE 3
GAS TRAIN ASSEMBLY
SEE PAGE 5
BY-PASS
SEE PAGE 6
COPPER BOILERS FOR HYDRONIC
HEATING & HOT WATER SUPPLY
VF MODELS VB/VW 500, 750, 1000
SERIES100/101
COMMERCIALGASSERVICEPARTSLIST
A.O. Smith Water Heater Parts Fulfillment
125 Southeast Parkway • Franklin, TN 37068
www.hotwater.com • 1-800-433-2545
COMMERCIAL POWER BURNER BOILER

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JACKET/FRAMEASSEMBLY
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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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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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
BLOWER/GAS TRAINASSEMBLY PARTS 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

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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
CONTROL PANEL 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

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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
VB/VW BY-PASS PARTS LIST- ALL MODELS
Please update these numbers
Item Description All Models
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.............................................................................................................................. - - - - -

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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
SERVICE FLANGEAND PUMP ASSEMBLY PARTS 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................................- - - - -

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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
Vent 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