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Directory: Catalog > Water
Heaters > A.O. Smith > Parts
Parts List: A.O. Smith HW-225S, HW-225P; Series 820/821, SMR R-11
- 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 |
**HW-225S, HW-225P |
| 1 |
Base, Jacket |
97981-700 |
| 2 |
Box, Junction 2-/18 in. x 4-1/8 in. |
26062 (new # 026062-000) |
| 3 |
Bracket, Burner |
99663 |
| 4 |
Bracket, Control |
96449-1 |
| 5 |
Bracket, Pilot: |
|
| |
- Natural Gas |
78213 |
| |
- Propane |
----- |
| 6 |
Bracket, Skirt Support |
97963 |
| 7 |
Burner, Main: |
|
| |
- Natural Gas |
96630 |
| |
- Propane |
----- |
| 8 |
Burner, Pilot, with Orifice: |
|
| |
- Natural Gas, Series 820 |
96666 (new # 9007244005) |
| |
- Propane, Series 821 |
----- |
| |
- Natural Gas, SMR-R-11 |
78192 (new # 9004998215) |
| |
- Propane, SMR-R-11 |
----- |
| 9* |
Bushing, Strain Relief |
92494 (no longer available) |
| 9A |
Bushing, Reducing (HW-S only) |
98782 |
| 10 |
Button, Door |
99280 |
| 11 |
Cable Assembly (SMR-R-11 only) |
78214 (no longer available) |
| 12 |
Catch, Door |
28666 (new part # 028666-000) |
| 13 |
Channel, Plastic |
99260 |
| 14 |
Clamp, Channel |
99263 |
| 15 |
Clip, Tubing |
95999 (no longer available) |
| 16 |
Coil, Combustion Chamber |
97285 (new # 9005070205) |
| 17 |
Collector, Flue |
96591-6 |
| 18 |
Connector, Angle |
----- |
| 18A |
Connector, Male |
99188-1 |
| 19 |
Control Pilot Module (I.I.D.): |
|
| |
- Natural Gas (SMR R-11 Only) |
78191 (new # 9004996105) |
| |
- Propane (SMR R-11 Only) |
----- |
| 20 |
Cover, Junction Box 2-1/2 in. x 4-1/8 in. |
26063 (new # 026063-000) |
| 21 |
Cover, Jacket |
95115-704 |
23* |
Door Assembly, HW-S |
95093-6 |
| |
Door Assembly, HW-P (less item 10, 25, 36) |
96234-2 |
| 24 |
Door, Inner |
95130 |
| 26 |
Heat Exchanger |
96558 (no longer available) |
| 27 |
Fitting, Main Burner |
98480 |
| 27A |
Fitting, Cross 1-1/4 in. (HW-S Only) |
98781 |
| 28 |
Flange, Air Purger (HW-P only) |
99129 (new # 099129-000) |
| 29 |
Gasket (HW-P only) |
99136 (new # 9005422105) |
| 30 |
Grommet - for Knockout Holes |
----- |
| 31 |
Grommet |
----- |
| 32* |
Hydro-Prep Cleaning Solution (HW-P only): |
|
| |
- 1 Quart |
97091 |
| |
- 1/2 Gallon |
97092 |
| 33 |
Hood, Draft |
95157-706 |
| 34 |
Insulator: |
|
| |
- Series 820-821 |
32779-1 (new # 032779-001) |
| |
- SMR-R-11 |
32779-1 (new # 032779-001) |
| 35 |
Jacket |
96227-103 |
| 36 |
Knob, Combustion Chamber Door: |
|
| |
- HW-S |
89410 (new # 089410-000) |
| |
- HW-P |
32309-4 (new part # 089410-000) |
| 38 |
Nut, Lock |
1455 |
| 39 |
Nut, Tie Rod |
85138 (new # 085138-000) |
| 40 |
Orifice, Main Burner: |
|
| |
- Natural Gas (Series 820 & SMR-R-11) |
2869-265 |
| |
- Propane (Series 821 & SMR-R-11) |
----- |
| 41 |
Orifice, Pilot Burner: |
|
| |
- Natural Gas, Series 820 |
7221 (new # 007221-000) |
| |
- Natural Gas, SMR-R-11 |
6210 (new # 9005538115) |
| |
- Propane, Series 821 |
----- |
| |
- Propane, SMR-R-11 |
----- |
NOTES:
- The manufacturer may change part numbers and availability at any time.
* Not Illustrated
** Not available for Propane Gas |
Download original AO Smith Parts List
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