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The Goodman 0130F00010S Flame Sensor is a genuine OEM replacement for GCH90904CXAA gas furnaces. This flame rod proves the presence of a burner flame by conducting a microamp signal to the control board through flame rectification. When the sensor is dirty, corroded, or cracked, the board can't confirm the flame and shuts off the gas valve within seconds — the classic cause of short cycling, repeated ignition attempts, and no-heat lockouts. Installing a clean OEM sensor restores a stable, reliable flame signal.
The genuine 0130F00010S uses the correct rod length, bracket geometry, and terminal so it sits precisely in the burner flame for a strong, steady microamp reading. Generic sensors often mount at the wrong depth or angle, producing a weak signal and repeat lockouts. Because the flame sensor is a safety-critical component, the OEM part is the dependable choice.
Easy (2/5). Typically a 15–20 minute repair. Shut off power and gas, remove the single mounting screw, unplug the sensor wire, and install the new rod — do not touch the ceramic insulator with bare hands. Restore power and confirm a clean flame with no cycling. A technician can verify the microamp reading with a meter.
Compatibility note: Verify your model tag reads GCH90904CXAA. Contact info@nationalhvacparts.com for help.