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Parts List: A.O. Smith FPSH-50, Series 252/253

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  • Part numbers that are no longer active in the AO Smith database are not included on the chart.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
FPSH-50
Series 252/253
1 Anode, Aluminum .750 in. Dia. - Standard Models 183523-29 (new 100108260)
1 Anode, Magnesium .840 in. Dia. - Optional 183463-29 (new # 100109434)
  Baffle:  
3 Hanger, Flue Baffle 181360 (new # 100109818)
4 Restrictor, Flue Baffle 183142 (new # 100110078)
5 Blower Assembly: 183381 (new # 100109864)
7 Gasket 181765 (new # 100109829)
9 Switch, Thermostat 183380-1 (new # 100110011)
11 Pressure Switch 21216 (discontinued) Can be replaced by ordering blower assembly 100109864
12 Burner Assembly - Natural Gas 183416-1 (new # 100111655)
13 Burner, Main - Natural Gas 183325 (new # 100109359)
13 Burner, Main - Propane 183325 (new # 100109359)
14 Ignitor, Hot Surface - Natural Gas 183267 (new # 100110355)
14 Ignitor, Hot Surface - Propane 183267 (new # 100110355)
15 Orifice, Main - Natural Gas 181508-30 (new # 100108636)
15 Orifice, Main - Propane 181791-51 (new # 100108721)
16 Tube, Main Burner - Natural Gas 183412-1 (new # 100042689)
21 Plate, Wall 2 in. 182787 (new # 100109850)
22 Plate, Wall 3 in. 181557 (new # 100109820)
23 Terminal, Vent 2 in. 183006 (new # 100042406)
24 Terminal, Vent 3 in. 192815 (new # 100108686)
26 Harness with Clips 183090 (new # 100109860)
27 Clip, Wiring Harness 183365 (new # 100042656)
28 Harness, Wiring 183089 (new # 100109860)
30 Insulation, T & P Valve 2.13 in. 183256 (new # 100109432)
32 Insulation, Pipe 24 in. 181639-1 (new # 100108808)
36 Spacer, Inlet Tube (Supplied with Item 34) 42589-1 (new # 100007426)
37 Valve, Drain - Nylon (Optional) 42037-1 (new # 100108443)
42 Valve, T & P 43151-2 (new # 100109448)
NOTES:
- The manufacturer may change part numbers and availability at any time.

 

 

Download original AO Smith Parts List
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