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Parts List: A.O. Smith BTF-75, 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  • Part numbers that are no longer active in the AO Smith database are not included on the chart.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
BTF-75
Series 100 (Nat. Gas)
Series 101 (Propane)
1 Pipe Nipple 43879-1 (new # 100109450)
2 Cast Iron Burner 41157-5 (new # 100109838)
4 Burner Tube - Natural Gas 39114-5 (new # 100111345)
6 Ignitor / Flame Sensor 194057 (new # 100109941)
7A Terminal Switch 21230 (new # 100110011)
8 Inlet Tube 194054 (new # 100109719)
10 Anode Rod 43817-38 (new # 100109594)
11 Inner Door 39923 (new # 100109442)
12 Outer Door 39112-1 (new # 100110353)
13 Thermostat, SmartValve - Natural Gas 183082-4 (new # 100109856)
13 Thermostat, SmartValve - Propane 183082-5 (new # 100109857)
14+ T & P Relief Valve 23740-1 (new # 100108279)
16 Wire Harness 183089 (new # 100109860)
19 Vent Terminal 181617 (new # 100110662)
21 Flue Restrictor 35405 (new # 100109288)
NOTES:
- The manufacturer may change part numbers and availability at any time.
+ Not Illustrated

 

Download original AO Smith Parts List
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