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Rheem appliance error codes

Search 2 Rheem diagnostic guides across 2 appliance types. Start with the appliance category or search the code or symptom directly.

Rheem appliance categories

Rheem Furnace

1 guide

Rheem Heat Pump

1 guide

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2 guides found

Code 11 triggers on Rheem and Ruud furnaces when main flame is not established within 4 seconds of gas valve opening.

Code 22 indicates thermal limit switch circuit opened to protect heat exchanger or electrical heating elements from thermal damage.