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Parts List: A.O. Smith FPD-50, Series 250/251

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  • Part numbers that are no longer active in the AO Smith database are not included on the chart.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
FPD-50
Series 250-251
1 Anode, Aluminum (.750 in. Dia.) Standard Models 43817-35 (new # 100109594)
1 Anode, Magnesium (.750 in. Dia.) Optional 43816-35 (new # 100108660)
1 Anode, Magnesium (.840 Dia.) Optional 29109-35 (new # 100108660)
  SMR S19 Anode 43816-38 (new # 100108660)
  SMR S44 Anode 29109-29 (new # 100109434)
  Baffle:  
3 Hanger, Flue Baffle 181360 (new # 100109818)
4 Restrictor, Flue Baffle 183142 (new # 100110078)
8 Burner, Main - Natural Gas 182730 (new # 100109226)
9 Ignitor, Hot Surface 183086 (new # 100109859)
10 Orifice, Main - Propane 181791-49 (new # 100108719)
23 Gasket, Inlet Tee Assembly 181765 (new # 100109829)
24 Restrictor, Air Flow 182275 (new # 100042204)
26 Switch, Pressure Outlet 21224 (new # 100109844)
30 Exhaust Assembly, 3 in. Vent with Screens 181528 (new # 100108686)
31 Harness with Clips 183090 (new # 100109860)
33 Intake Assembly, 3 in. Vent with Screens 182167 (new # 100109923)
34 Plate, Wall 181557 (new # 100109820)
36 Sealant, High Temperature Silicone 181564 (new # 100109821)
42 Insulation, Pipe 24 in. (qty. 2) 181639-1 (new # 100108808)
43 Insulation, T & P Valve (2.13 in.) 183256 (new # 100109432)
51 Spacer, Inlet Tube (Supplied with Item 50) 42589-1 (new # 100007426)
53 Valve, Drain - Nylon (Standard) 42037-1 (new # 100108443)
NOTES:
- The manufacturer may change part numbers and availability at any time.

 


Download original AO Smith Parts List
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