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The Goodman 0130F00010S Flame Sensor is the OEM flame-rectification rod that confirms the burner has lit on your GDS80904BNA furnace. The control board reads the micro-amp signal from this sensor; when oxidation or cracking weakens the signal, the board shuts the gas valve, producing the classic symptom of the furnace lighting and then dropping out after a few seconds (short cycling on flame failure).
The OEM sensor uses the correct rod length, alloy, and bracket geometry so it sits properly in the flame envelope for a strong, stable signal. Generic rods often mount at the wrong depth and give weak readings that mimic the original failure. This genuine part restores dependable flame proving.
Easy — One of the simplest furnace repairs. Shut off power, remove one screw, unplug the wire, and install the new sensor. If a furnace still short cycles, verify the micro-amp reading and clean the burner ground path.