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The Goodman 10123517 Manual Reset Limit Switch is a genuine OEM high-limit / flame-rollout safety control for the Goodman/Amana ACVC950714CXBA gas furnace. Unlike an auto-resetting limit, this switch latches open when it trips and requires a manual push-button reset — a deliberate design that forces a technician to inspect the furnace after a serious overtemperature or flame-rollout event before it can run again.
OEM vs. Generic: This safety device is calibrated to a specific trip temperature matched to the ACVC9 heat exchanger and burner box. The OEM 10123517 provides the exact cut-out point and the correct bracket geometry. A generic substitute risks nuisance lockouts or, more seriously, failing to protect against flame rollout. For a manual-reset safety, always use the genuine part.
Install Difficulty: Easy (1/5). Disconnect power, note the wiring, remove the mounting screws, transfer the spade terminals, and remount. Important: a tripped manual-reset switch usually signals an underlying problem (blocked flue, cracked heat exchanger, dirty burners) — diagnose the cause before resetting. About 10–15 minutes.
Replace a failed or repeatedly tripping rollout switch and restore safe operation with this genuine Goodman part.