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The Goodman 10123535 Manual Reset Limit Switch (Red) is a genuine OEM safety control designed for the AMH950704CXAE gas furnace. The red-button manual reset switch is a temperature-sensing safety that opens the gas valve circuit when it detects an overheat or flame-rollout condition. The distinctive red reset button typically designates a specific trip temperature or rollout location on the furnace — always match the exact color and part number the manufacturer specified for your unit to preserve correct safety protection.
The OEM 10123535 is factory-calibrated to the red-designated trip temperature for the AMH950704CXAE. Substituting a generic switch — or the wrong color/temperature rating — can cause nuisance shutdowns or defeat the intended safety function. Since this is a life-safety control, install only the genuine Goodman/Amana part matched to your model.
Easy to Moderate (2 of 5). Shut off gas and power, note or photograph the wiring, disconnect the terminals, remove the mounting screws, install the new red switch, and reconnect. About 15–20 minutes. Repeated tripping after replacement indicates an airflow, filter, or heat-exchanger issue that a licensed HVAC technician should investigate.