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Stop nuisance short-cycling and flame-loss lockouts with this genuine OEM Goodman 0130F00010S flame sensor for the GMH950905DXAD furnace. The flame sensor uses flame rectification to confirm the burners actually lit after ignition. When the sensor rod becomes coated with oxidation or its microamp signal drops, the control board closes the gas valve within seconds as a safety measure — the classic "lights then shuts off" symptom. A fresh OEM sensor restores a strong, reliable flame signal.
Universal flame sensors often have the wrong rod length or bend, placing the tip outside the flame envelope and producing a weak, drifting signal that leads to intermittent lockouts. This OEM sensor positions the rod exactly where Goodman intended for a stable flame-current reading every cycle.
One of the simplest furnace repairs — about 10 minutes. Cut power, remove the single mounting screw, unplug the sensor wire, and install the new sensor in the same orientation. Avoid touching the ceramic insulator with bare fingers. Restore power and confirm the burners stay lit through a complete heat cycle. Tip: gently cleaning a working sensor with fine abrasive pad can extend life, but a worn rod should simply be replaced.
Genuine Goodman replacement — exact fit for the GMH950905DXAD.