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The Goodman 10123533 manual reset limit switch is a genuine OEM high-limit safety control for the Amana/Goodman AMVC950704CXAD variable-speed 95% AFUE gas furnace. This normally-closed thermal switch opens the control circuit if the heat exchanger or burner area overheats — protecting against fire and cracked heat exchangers caused by restricted airflow, a failed blower, or a dirty filter. Because it is a manual reset device, it must be physically reset after a trip, alerting the homeowner that an overheat event occurred.
The OEM 10123533 is calibrated to the exact factory trip and reset temperature for this furnace — critical for a safety component. We strongly advise OEM over generic here; an incorrectly rated limit switch can nuisance-trip or, worse, fail to protect the unit.
Easy (2/5). Cut power at the furnace, note the wiring, unscrew the mounting plate, transfer the spade terminals to the new switch, and remount. Always confirm the airflow problem that tripped the original switch is resolved before restarting.