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Directory: Catalog > Water
Heaters > A.O. Smith > Parts

Parts List: A.O. Smith FPD-40, Series 226/227
- 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- Part numbers that are no longer active in the AO Smith database are not included on the chart.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 |
FPD-40
Series 226/227 |
2 |
Anode |
43817-29 (use 33 in. 100109594 as replacement) |
3 |
Baffle, Hanger |
181360 (new # 100109818) |
20 |
Elbow Assembly, Exhaust |
181528 (new # 100108686) |
21 |
Elbow Assembly, Intake |
182167 (new # 100109923) |
23 |
Flue, Restrictor |
34894 (new # 100110078) |
24 |
Gasket, Inlet Tee |
181765 (new # 100109829) |
26 |
Igniter |
181903 (new # 100109832) |
33 |
Orifice, Main Burner: |
|
33 |
Natural Gas |
181508-031 (new # 100109267) |
33 |
Propane |
181791-50 (new # 100108722) |
40 |
Plate, Wall |
181557 (new # 100109820) |
43+ |
Sealer, Tube High Temp. Silicone Sealant |
181564 (new # 100109821) |
47 |
Thermostat |
181705 (new # 100109825) |
50 |
Tube, Pilot |
23330 (new # 100109875) |
52 |
Valve, Drain |
42037 (new # 100108778) |
53 |
Valve, Gas: |
|
53 |
Natural Gas |
181950 (new # 100109834) |
55 |
Wire, Ground |
181736-2 (new # 100109828) |
NOTES:
- The manufacturer may change part numbers and availability at any time.
+ Sealant must conform to MIL-A-46105A, type FDA CFR 175.200. Must be able to withstand constant high temperature of 450° F and a low of -75° F. |
Download original AO Smith Parts List
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