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Parts List: A.O. Smith BTF-75, Series 110/111

  • 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
BTF-75
Natural Gas
BTF-75
Propane
1 Pipe Nipple 43879-1 (new # 9003743015) 43879-1 (new # 9003743015)
2 Stamped Steel Burner 194723 -----
2A Cast Iron Burner ----- 41157-5 (new # 9004412005)
3 Burner Tube (Stamped Steel Burner) 194602-1 -----
3A Burner Tube (Cast Iron Burner) ----- 181784-3 (new # 181784-003)
4 Orifice (Stamped Steel Burner) 181508-17 (new # 181508-017) -----
4A Orifice (Cast Iron Burner) ----- 181510-38
5 Ignitor / Flame Sensor (Stamped Steel Burner) 194057 (new # 9004566115)
-----
5A Ignitor / Flame Sensor (Cast Iron Burner) ----- 194057 (new # 9004566115)
5B Ignitor Bracket (Cast Iron Burner) ----- 194204 (new # 194204-000)
6 Tain Blower 194509-00 (new # 9004581105) 194509-00 (new # 9004581105)
6A Gasket 183507 (new # 185106-000) 183507 (new # 185106-000)
7 Inlet Tube, Closed End 183512 (new # 9004314005) 183512 (new # 9004314005)
7 Inlet Tube (Alternate Open End) 41072-20 41072-20
8 Flue Baffle Assembly 194055 (new # 9005295205) 194055 (new # 9005295205)
9 Anode Rod 183463-39 (new # 9001829005) 183463-39 (new # 9001829005)
10 Inner Door 39923 (new # 9003735005) 39923 (new # 9003735005)
11 Outer Door 39112-701 (new # 9005252205) 39112-701 (new # 9005252205)
12 Thermostat, SmartValve 183082-4 (new # 9004444105) 183082-5 (new # 9004445105)
13 T & P Relief Valve 76527-3 (no longer available) 76527-3 (no longer available)
14 Drain Valve 26273-7 (new # 9001870015) 26273-7 (new # 9001870015)
15 Wire Harness 194453 (new part # 9007128005) 194453 (new part # 9007128005)
16 Clip, Wire Harness 183365 (new # 183365-000) 183365 (new # 183365-000)
17*   194643 194643
18 Flue Restrictor 35405 (new # 9003524005) 35405 (new # 9003524005)
19 Vent Terminal Assembly, 3 in. 181617 (new # 9005804105) 181617 (new # 9005804105)
20 Wall Plate, 3 in. 181577 181577
NOTES:
- The manufacturer may change part numbers and availability at any time.

 

Download original AO Smith Parts List
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