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Parts List: A.O. Smith FPSH-40, Series 252/253

  • Links are included to the parts that are available to be purchased.
  • Parts that are not listed in the chart are either discontinued by AO Smith or are not available for purchase.
  • The item number in the first column corresponds to the location of the part in the line art drawing below the chart.

 

Item Description
FPSH-40
Series 252/253
1 Anode, Aluminum .750 in. Dia. - Standard Models 183523-26 (Per AO Smith, use new part # 100109624)
1 Anode, Magnesium .840 in. Dia. - Optional 183463-29 (new # 100109434)
5 Blower Assembly: 183381 (new # 100109864)
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 (new # 100111657)
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)
26 Harness with Clips 183090 (new # 100109860)
28 Harness, Wiring 183089 (new # 100109860)
32 Insulation, Pipe 24 in. 181639-1 (new # 100108808)
42 Valve, T & P 76527-3 (replaced with 100109259)
NOTES:
- The manufacturer may change part numbers and availability at any time.
+ Not Illustrated

 

 

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