VB-750, VW-750, Series 100/101

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Directory: Catalog > Water Heaters > A.O. Smith > Parts

Use the chart to find the part you need to order. A diagram of the unit is below the chart to assist you in locating your part.
Click on the underlined link to go directly to the part's page for pricing and ordering.
For parts that are not underlined and do not have a link, please Contact Us for price and availability.
The manufacturer has changed some part numbers to a new part number, and we have referenced the new part number in the chart (if applicable). Please note that the manufacturer may change part numbers and availability at any time.
You can download and print the original PDF of the A.O. Smith parts list at the bottom of the page.

Jacket / Frame Assembly:

Item	Description	VB-750, VW-750 Series 100/101
1	Top/Cover Assembly	Contact us if replacement is necessary.
2	Plate
3	Upper Back Panel
4	Lower Back Panel
5	Left Side Panel
6	Right Side Panel
7	Lower Curved Door Assembly
8	Upper Curved Door Assembly
9	Base Assembly
10	UIM (User Interface Module)	211762-000
11	100VA Transformer	210449-000
12	Alarm Bell (Optional, Not Shown)	211472-000
NOTES: - The manufacturer may change part numbers and availability at any time.

Combustion Chamber Assembly:

Item	Description	VB-750, VW-750 Series 100/101
1	Heat Exchanger ASM	9006309005
2*	Gasket - Burner	212837-001
3	Burner	212345-001 (new # 9007225005)
4*	Gasket - Burner	212837-001
5	Ignitor	9004504205 (new # 9006101205)
6	Sensor - Flame	9005892215
7	Screw - Machine	-----
8	Washer - Plain	-----
9	Low Gas Switch (Natural Gas)	191149-000
9	Low Gas Switch (Propane)	191149-006 (new # 9004476215)
10	Low Water Cut-Off Probe	212958-000
NOTES: - The manufacturer may change part numbers and availability at any time.

Blower / Gas Train Assembly:

Item	Description	VB-750, VW-750 Series 100/101
1	Blower Adapter	212341-000
2*	Adapter Gasket	212837-001
3	Blower Assembly	212340-000 (new # 9007238005)
5	Venturi - Gas/Air	212311-000
7	Vent Adapter	212339-000
8	Bolt - Hex Head Tap	-----
9	Nut - Hex, 1/4 in.-20 UNC	-----
10*	Adapter Gasket	212837-001
11	Hex Flange / O-Ring Assembly	212325-000
12	Nipple Pipe 1 in. NPT	-----
13	Valve - Butterfly	211391-001
14	Elbow - Street 1 in.	-----
15	Valve - Honeywell Modulation Gas	212324-000
NOTES: - The manufacturer may change part numbers and availability at any time.

Control Panel Assembly:

Item	Description	VB-750 Series 100/101	VW-750 Series 100/101
1	Panel - Control	-----	-----
2	Sleeve - Metal	210832-000	210832-000
3	Washer - Metal	210207-000	210207-000
4	Board - Power Distribution	211760-000 (new # 9007310005)	211760-000 (new # 9007310005)
5	Switch - High Blower Prover	212551-000 (new # 9006613005)	212551-000 (new # 9006613005)
6	Switch - Low Blower Prover	212550-001 (new # 9007240005)	212550-001 (new # 9007240005)
7	Switch - Blocked Flue	9005686205	9005686205
8	Drive - Variable Frequency	212651-000	212651-000
9	120V Relay	-----	211546-000 (new # 9006612005)
10	Board - Modulation Control	212785-000 (new # 9007416005)	212785-000 (new # 9007416005)
11	Low Water Cut-Off (Optional, Not Shown)	212958-000	212958-000
12	VW Wiring Harness Kit (Not Shown)	212795-000	212795-000
13	VB Wiring Harness Kit (Not Shown)	212795-001	212795-001
NOTES: - The manufacturer may change part numbers and availability at any time.

Service Flange and Pump Assembly:

Item	Description	VB-750 Series 100/101	VW-750 Series 100/101
1	Flange Kit	-----	212894-000
2	Pump	-----	212893-000 (new # 9006898005)
3	Gasket Inlet/Outlet	212903-000	212903-000
4	2 in. NPT Service Flange	-----	212871-002
5	T-Flange	212718-000	212718-000
6	Flow Switch	9005680205	9005680205
7	Relief Valve	098883-007	210451-001
8	2 in. NPT Brass Nipple	-----	-----
9	2 in. NPT Brass Elbow	-----	-----
10	2 in. NPT In-Service Flange	212871-001	-----
11	2 in. NPT Service Flange	212871-000	-----
NOTES: - The manufacturer may change part numbers and availability at any time.

Vent Kit:

Item	Description	Part #
1	Vent Terminal	191960 (new # 191960-000)
2	Vent Terminal Inlet Assembly	191965 (new # 9005810205)
3	Coupling - Flex Adapter	191967 (new # 191967-000)
4	Elbow - 90°	192032 (new # 192032-000)
5	Pipe - SAF - T 48 in.	192039 (1)
6	Pipe - SAF - T 36 in.	192039-1 (new # 9005935205)
7	Boot - Tee	192034 (new # 192034-000)
8	Pipe - Vent PVC	192035-1
9	Condensate Drain Cover	192036 (new # 192036-000)
10	Coupling - PVC	191988
11	Wall Cover Plate (2)	192111 (new # 9005375205)
12	Vent Terminal (Vertical)	191777 (new # 191777-000)
13	Caulking - Silicone	191482-1 (new # 191482-001)
14	Support System - Roof Jack	192076 (new # 192076-000)
NOTES: - The manufacturer may change part numbers and availability at any time.

Download original AO Smith Parts List
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