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Parts List: A.O. Smith BT-100, Series 100/101

  • Use the chart to find the part you need to order. A line art drawing 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.
  • Part numbers that are no longer active in the AO Smith database are not included on the chart. In addition, some part numbers have changed to a new part number. Please see AO Smith New Part Cross Reference / Discontinued Part Guidelines for further assistance.
  • 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
Series 100 (Nat. Gas)
Series 101 (Propane)
3 Cast Iron Burner 41157-8 (new # 100109678)
4 Thermocouple 35489-2 (new # 100108267)
5 Pilot 160228 (new # 100109804)
6 Draft Hood 39072 (new # 100109720)
7+ Draft Hood Brace 194309 (new # 100109445)
9 Flue Baffle Assembly 194332-1 (new # 100109684)
10 Anode Rod 43817-50 (new # 100109594)
11 Cleanout Cover 99037 (new # 100110656)
12 Cleanout Gasket 99038 (new # 100109686)
13 Cleanout Screw 69852-1 (new # 100109688)
14 Inner Door 39923 (new # 100109442)
15 Outer Door 39112-1 (new # 100110353)
16 Thermostat, Natural Gas 38413 (new # 100110706)
17 T & P Relief Valve 23740-1 (new # 100108279)
19 Flue Reducer 35405 (new # 100109288)
20 Front Cover 181260 (new # 100109599)
21 Pilot Tube 1417-60 (new # 100109617)
22 Orifice, Natural Gas 29366-22 (new # 100006343)
24 Fitting Breakaway 32365 (new # 100108673)

NOTES:
- The manufacturer may change part numbers and availability at any time.
+Not Illustrated


Download original AO Smith Parts List
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