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The Goodman 0130F00010S is a genuine OEM flame sensor (flame rod) for the WFD195090S5DAA gas furnace and compatible Goodman/Amana models. This sensor confirms the burner has actually lit by measuring the tiny microamp current that flows through the flame. When the rod oxidizes or the reading drops, the control board shuts the gas valve for safety — causing the classic symptom of a furnace that lights for a few seconds, then shuts off and short-cycles.
The OEM sensor uses the exact rod length, bend, and insulator rating this furnace's flame envelope requires, so it reads a clean, stable microamp signal. Generic universal rods may sit too far from the flame or use lower-grade ceramic that cracks under repeated heat cycling, leading to intermittent flame-loss faults that are frustrating to diagnose.
Easy (1.5/5). About 15 minutes. Cut power, remove the burner door, unscrew the single mounting screw, disconnect the spade terminal, and install the replacement. Tip: a new sensor won't help if the old one was simply dirty — but replacing a corroded rod is the permanent fix.