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The Goodman 0130F00010S Flame Sensor is a genuine OEM flame-rectification rod for the WFD18090S4BXCC furnace. Positioned in the burner flame, it confirms to the control board that ignition succeeded by conducting a tiny microamp current through the flame. When the sensor is dirty, corroded, or out of position, the board reads no flame and shuts the gas valve — the classic cause of a furnace that lights, runs a few seconds, then shuts off and repeats (short-cycling on flame sense).
The genuine Goodman OEM 0130F00010S uses the correct rod length, bend, and mounting bracket so the tip sits in the proper flame envelope for a strong, stable microamp signal. Generic sensors that sit too shallow or too deep produce a weak reading and nuisance lockouts. OEM restores reliable, first-try ignition.
Easy (1/5). Shut off power, remove the single mounting screw, unplug the spade connector, and swap in the new sensor. Under ten minutes. Tip: if you're troubleshooting short-cycling, try cleaning the existing rod with fine emery cloth first — but a pitted or cracked ceramic insulator means replacement.
Verify your model before ordering. Questions? Email info@nationalhvacparts.com.