A.O. Smith BTX-100, 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.

Top Cover Control Assembly:

Item	Description	100/101 Series
1	Controller	9006417005
2	Switch - Blocked Outlet	9006282015
3	Switch - Blocked Inlet	9005972215
4	Switch - Fan Prover	9004586215
5	Upper Temperature Probe	9004238215
6	Anode - Aluminum	9003892005
6A	Anode - Magnesium	9001829005
7	Inlet Tube	9006422005
8	Outlet Nipple	9003936015
9	Anode - Outlet Aluminum	9006659005
9A	Anode - Outlet Magnesium	9004333005
*Standard hardware items may be purchased locally

Blower / Burner Assembly:

Item	Description	100 Series	101 Series
1	Blower	9006423005	9006423005
2	Venturi Gasket	197789-000	197789-000
3	Blower Gasket	197618-000 (new # 9007139005)	197618-000 (new # 9007139005)
4	Blower Adapter	197607-000	197607-000
5	Burner Gasket	197257-000 (new # 9006909005)	197257-000 (new # 9006909005)
6	Burner Assembly	9006424005	9006424005
7	Gas Valve / Venturi Assembly	9006425005	9006426005
8	Observation Window	9006102215	9006102215
9	Observation Window Gasket	9006103215	9006103215
10	Burner Flange	197611-000	197611-000
11	Burner Flange Gasket	194817-000 194817 (new # 9007138005)	194817-000 194817 (new # 9007138005)
12	Igniter	9006101205	9006101205
13	Flame Sensor Rod	9006106205	9006106205
14	Machine Screw*	19137-003	19137-003
15	Socket Buttonhead Cap Screw*	197615-000	197615-000
16	Socket Head Cap Screw*	192515-000	192515-000
17	Inlet Assembly	198107-000	198107-000
*Standard hardware items may be purchased locally.

Envelope With Parts:

Item	Description	100/101 Series
1	Vent Kit with All Components	9006427005
1A	Vent Kit with All Components ULC S636 Certified	9006784005
2	Wall Plate 4 in.	Included in Kit
3	Wall Plate 3 in.	Included in Kit
4	Wall Plate 2 in.	Included in Kit
5	Wire Screen 4 in.	Included in Kit
6	Wire Screen 3 in.	Included in Kit
10	Vent Terminal	Included in Kit
NOTES: - The manufacturer may change part numbers and availability at any time.

Exhaust Elbow Assembly:

Item	Description	100/101 Series
1	Exhaust Elbow Assembly	9006428005
1A	Exhaust Elbow Assembly ULC S636 Certified	9006785005
2	Tee - 3/4 in. NPT	Included in Kit
3	Hose Adapter	Included in Kit
4	Hex Plug	Included in Kit
5	Hose Barb	Included in Kit
NOTES: - The manufacturer may change part numbers and availability at any time.

Download original AO Smith Parts List
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