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The Goodman 10123533 is a genuine OEM manual reset high-limit safety switch for the WGFM295070V4CAA gas furnace and compatible Goodman/Amana models. This thermally activated control opens the circuit and shuts down the burners if it senses an over-temperature or flame rollout condition, protecting the heat exchanger and household from unsafe operation. Because it is a manual reset device, it requires a deliberate button press to restore operation once the fault has been corrected.
The OEM 10123533 is calibrated to the exact trip temperature specified for this furnace. Since this is a safety-critical control, an incorrectly rated generic switch can either nuisance-trip or fail to protect the equipment. OEM is strongly recommended for all safety limit controls.
Easy (2/5) — Two-terminal swap secured by mounting screws. Disconnect power, transfer the wire leads and mounting position, and press the reset button after installation. Typical replacement time: 20–30 minutes. Always correct the root over-temperature cause before resetting.