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The Goodman 0130F00010S Flame Sensor is the genuine OEM flame-rectification rod for the GCH950904CXAC 95% AFUE gas furnace. The flame sensor confirms the burner has actually lit by passing a microamp signal through the flame; when the rod oxidizes or cracks, the control board can no longer prove flame and shuts the gas valve — the classic symptom of a furnace that lights for a few seconds then shuts off and short-cycles.
Universal flame rods often use the wrong rod length or bracket offset, placing the tip outside the flame envelope and producing a weak, unstable signal. The genuine 0130F00010S positions the rod exactly where Goodman engineered it, giving a strong, reliable flame-sense reading and consistent ignition.
Difficulty: Easy (1/5). Kill power and gas, remove the single mounting screw, unplug the sensor lead, and swap in the new rod. Reconnect, restore power, and verify a steady flame signal with a multimeter in microamp mode. A 10-minute repair.