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Directory: Catalog > Water
Heaters > A.O. Smith > Parts
Parts List: A.O. Smith GDHE-50, Series 120/121
- 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 |
GDHE-50
Series 120/121
|
| 1 |
Display Circuit Board |
9006240005 (new # 100111017) |
| 2 |
Power Switch |
9005980205 (new # 100110788) |
| 3 |
Plastic Top |
9005977205 (new # 100110786) |
NOTES:
- The manufacturer may change part numbers and availability at any time. |
Top Cover Control Assembly:
| Item |
Description |
GDHE-50
120 / 121 Series
|
| 1 |
CCB (Central Control Board) with Enclosure - Natural Gas |
9007140005 (new # 100111746) |
| 1 |
CCB (Central Control Board) with Enclosure - Propane |
9007141005 (new # 100111747) |
| 2 |
Blocked Exhaust Switch |
9006282015 (new # 100111058) |
| 3 |
Blocked Intake Air Switch |
9005972215 (new # 100110783) |
| 4 |
Blower Prover Switch |
9006280015 (new # 100111056) |
| 5+ |
Temperature Probe |
9004238215 (new # 100109721) |
| 6A |
Anode - Magnesium |
9001829005 (new # 100108660) |
NOTES:
- The manufacturer may change part numbers and availability at any time.
+ Not shown. Located under side front cover. |
Blower / Burner Assembly:
| Item |
Description |
GDHE-50
120 / 121 Series
|
| 1 |
Blower |
9006423005 (new # 100111184) |
| 3 |
Burner Assembly |
9006970005 (new # 100111646) |
| 4 |
Gas Valve / Venturi Assembly - Natural Gas |
9006425005 (new # 100111186) |
| 4 |
Gas Valve / Venturi Assembly - Propane |
9006426005 (new # 100111187) |
| 7 |
Ignitor |
9006968005 (new # 100111644) |
| 8 |
Flame Sensor Rod |
9007229005 (new # 100111830) |
| 9 |
Wire Harness |
9006969005 (new # 100111645) |
NOTES:
- The manufacturer may change part numbers and availability at any time. |
Direct Vent Kit for Cold Climate, Exhaust Elbow Assembly:
| Description |
GDHE-50
Series
120/121
|
| ULC S636 Compliant Exhaust Elbow Assembly |
9006785005 (new # 100111484) |
NOTES:
- The manufacturer may change part numbers and availability at any time. |
Download original AO Smith Parts List
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