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The Goodman 0130F00010S Flame Sensor is the genuine OEM flame-rectification sensor for GMP100-5 gas furnaces. This flame rod verifies the burner has actually lit and signals the control board to keep the gas valve open. When the sensor becomes coated with oxide or fails, the furnace lights and then shuts down after a few seconds — the classic short-cycle / ignition-lockout symptom. Installing a fresh OEM sensor restores a strong, stable microamp signal.
The OEM 0130F00010S is built with the correct rod length, alloy, and bracket geometry so it sits precisely in the flame envelope for a reliable signal. Generic sensors may sit too shallow or use inferior rod material that oxidizes faster, leading to repeat failures. For dependable long-term performance, choose the OEM sensor.
Easy (1/5). Kill power, remove the single mounting screw, unplug the spade connector, install the new sensor, and reconnect. Avoid touching the rod with bare fingers — skin oils can shorten sensor life.