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The Goodman 10123535 Manual Reset Limit Switch is a genuine OEM safety control designed for the Goodman GKS90703BXAB gas furnace and compatible models. This red-button rollout/limit switch monitors for abnormal heat and flame rollout conditions, cutting power to the gas valve to protect your furnace and home. Because it is a manual reset device, it requires a deliberate button press to restore operation after a trip — a built-in reminder to have the underlying cause inspected.
Our genuine OEM 10123535 is built to Goodman's exact trip temperature and terminal spec, guaranteeing correct fit and reliable safety operation. Generic aftermarket limit switches may vary in trip point and terminal orientation, risking nuisance trips or improper protection. For a safety-critical control, OEM is strongly recommended.
Easy (1/5). Two-terminal replacement — disconnect power, unplug the wires, remove two screws, and swap. Always shut off gas and electrical power before servicing. Professional installation recommended if you are unsure why the switch tripped.