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The genuine Goodman 10123529 Manual Reset Limit Switch is a critical high-temperature safety control for the AMVC800603BXAB gas furnace. This switch monitors for overheating or flame rollout and cuts power to the gas valve if temperatures exceed the safe threshold, requiring a manual reset before the furnace can restart. A tripped or failed limit switch is a warning sign — it protects your heat exchanger and home from dangerous overheat conditions.
This genuine Goodman OEM safety switch is calibrated to the exact trip temperature specified for the AMVC8-series heat exchanger. Because it is a life-safety device, an incorrectly rated generic switch could trip too late (unsafe) or too early (nuisance shutdowns). Always use the factory-specified OEM limit for correct, reliable protection.
Moderate. Shut off power and gas, remove the two mounting screws, transfer the wire leads, and mount the new switch. About 15–30 minutes with a nut driver. Because this component governs safe shutdown, we strongly recommend a licensed HVAC technician confirm proper operation — repeated tripping usually indicates a restricted airflow or heat-exchanger problem that must be diagnosed.
Protect your AMVC8-series furnace and home with the correct OEM safety limit — order 10123529 today.