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Genuine Goodman flame sensor engineered for the AMVC950453BXAC modulating variable-speed gas furnace and compatible Amana/Goodman platforms. The flame sensor uses flame rectification to confirm the burner has ignited; when it fails or becomes coated with oxidation, the control board locks out the furnace on a failed-ignition or flame-loss code. Replacing this low-cost part is one of the most common fixes for a furnace that lights briefly then shuts off.
The OEM Goodman sensor is calibrated to the exact rod length and micro-amp signal your control board expects, ensuring stable flame current and no nuisance lockouts. Generic universal sensors may fit physically but can produce a weak or erratic flame signal on high-efficiency modulating boards. For a mission-critical safety component, OEM is strongly recommended.
Easy (1/5) — Typically a single mounting screw and one push-on wire terminal. Cut power at the furnace switch first. Most homeowners complete this in under 10 minutes; no special tools required beyond a nut driver.