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The Goodman 0130F00010S Flame Sensor is the genuine OEM flame-proving rod for GMH950904CXAE 95% AFUE two-stage furnaces. This sensor confirms the presence of a burner flame during ignition; if the control board doesn't detect current through the rod, it shuts off gas for safety. A dirty, cracked, or failed flame sensor is the #1 cause of furnaces that light briefly then shut down (short-cycling on flame failure).
OEM (this part): Exact-fit rod length, mounting bracket, and terminal for guaranteed flame current and a bolt-in swap. Generic: May require bending or shimming and can produce weak microamp signals that trigger nuisance lockouts. For a safety-critical sensing component, OEM is strongly recommended.
Easy (1/5) — 10-15 minutes. Kill power at the disconnect, remove one mounting screw, unplug the spade terminal, and reinstall. No specialty tools required. If your old sensor was only dirty, clean it with fine steel wool first before replacing.