A.O. Smith BT-100, Series 300/301

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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.

Item	Description	BT-100 Natural Gas	BT-100 Propane
1	Pipe Nipple	9004228	9004228
2	Burner Tube	9006198	9004230
3	Burner Head	9006200	9004089
4	Thermocouple	9000283	9004094
5	Pilot	9006201	9004231
6	Draft Hood	9003737	9003737
7*	Draft Hood Brace	9003738	9003738
8	Inlet Tube	9004095	9004095
9	Flue Baffle Assembly	9006202	9006202
10	Anode Rod (Aluminum)	9004097	9004097
10	Anode Rod (Magnesium)	9004233	9004233
10	Anode Rod (KA-90)	9004235	9004235
11	Cleanout Cover	9004098	9004098
12	Cleanout Gasket	9004099	904099
13	Cleanout Screw	9004100	9004100
14	Inner Door	9003735	9003735
15	Outer Door	9004101	9004101
16	Thermostat	9004104	9004103
17	T & P Relief Valve	9003484	9003741
18	Drain Valve	9003907	9003907
19	Cleanout Front Cover	9003900	9003900
20	Pilot Tube	N/A	9003925
21**	Main Burner Orifice	9003732	9004105
22*	Breakaway Fitting (for Pilot Tubing)	9004106	9004106
NOTES: - The manufacturer may change part numbers and availability at any time. * Not Illustrated ** 0 ft. - 2,000 ft. elevations only. Please contact a service rep for other altitudes.

Download original AO Smith Parts List
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