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Part #10123535 is the factory-original red manual reset limit switch for the Goodman/Amana AMVC950453BXAB variable-speed gas furnace and related AMVC95 models. The red button identifies this as a higher-temperature safety cutout, commonly serving as a flame-rollout or auxiliary high-limit control. It trips and locks out the furnace if flames or excessive heat escape the intended combustion path — a critical protection against heat-exchanger and cabinet damage. Once tripped, it stays open until the underlying condition is fixed and the button is manually reset.
The red and non-red switches on this furnace often look similar but carry different setpoints and are not interchangeable. Installing a generic or wrong-color switch can disable rollout protection or cause repeated lockouts. This genuine OEM part guarantees the correct trip temperature, terminal layout, and mounting for reliable, code-safe operation.
Easy (2/5) — A quick 15-minute swap: disconnect power, remove the spade connectors, unscrew the old switch, and install the new one in the same orientation. A tripped rollout switch almost always indicates a combustion or venting fault — have a licensed technician find and correct the cause before restarting the furnace.