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The Goodman 10123533 is a genuine OEM manual reset limit switch engineered as a flame rollout and high-temperature safety control for the AMH950904CXAE gas furnace and compatible Goodman/Amana models. When excessive heat is detected in the burner or heat exchanger area, this switch opens the control circuit to shut down the burner, protecting your equipment and household from unsafe operation. Because it is a manual reset device, it requires a technician to press the reset button after the fault condition is corrected — an intentional design that flags recurring safety issues rather than masking them.
The genuine OEM 10123533 is calibrated to the exact trip temperature specified by Goodman for this furnace platform. Generic switches may carry a similar rating but can vary in trip tolerance and bracket geometry, risking nuisance trips or poor fit. For a safety-critical control, we recommend the OEM part.
Easy (1 of 5). Two wire leads and a mounting screw. Always shut off gas and electrical power before servicing. If the switch trips again after reset, have the underlying cause diagnosed by a qualified HVAC technician.