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The Goodman 10123529 is a genuine OEM manual-reset rollout limit switch for the AMVC80805CNAA variable-speed gas furnace and compatible Goodman and Amana models. Unlike an auto-resetting limit, this manual-reset switch latches open on a rollout or overheat event and must be physically reset by pressing its button — a deliberate safety design that forces a technician to inspect the furnace before it will fire again. If your furnace is dead after an overheat and won't relight, a tripped manual-reset switch is the first thing to check.
The OEM switch carries the factory-calibrated trip temperature and UL listing that matches your furnace's safety design — the correct choice for any manual-reset safety control. A Generic equivalent with the same trip rating and terminal layout is available at lower cost, but for a latching life-safety device we strongly recommend OEM.
Easy (1/5). Cut power, open the burner compartment, unplug the two spade terminals, remove the mounting screws, and swap. Under 15 minutes. Crucially, diagnose and correct the root cause of the rollout before resetting or replacing this switch.