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The Goodman 0130F00010S is the genuine OEM flame sensor for the GMT070-4 gas furnace. This flame-rectification rod confirms that the burners have actually lit, allowing the control board to keep the gas valve open. When a flame sensor is coated with oxide, cracked, or weak, the furnace lights and then shuts down after a few seconds — the classic short-cycle-and-lockout symptom. Installing a fresh OEM sensor restores a strong, stable microamp signal and reliable heat.
OEM sensors deliver the correct rod length, position, and porcelain insulator so the flame fully envelops the tip and generates adequate microamps. Generic sensors may sit at the wrong depth and produce a marginal signal that trips nuisance lockouts. For a dependable start every cycle, choose OEM.
Easy. Remove one screw and a single spade connector, swap the sensor, and reinstall. A 10–15 minute repair for most homeowners. Cut power first and avoid touching the porcelain with bare fingers.