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The Goodman 0130F00036 Limit Switch is the genuine OEM high-temperature safety control for the ACEC800804BXAB and compatible Goodman/Amana furnaces. The pink color code identifies its specific factory trip temperature — limit switches are color-keyed so the correct cutout rating is always installed. This switch opens the control circuit and shuts down the burners if heat-exchanger temperature climbs too high (commonly from a dirty filter, blower fault, or blocked airflow), protecting the furnace from overheating damage.
OEM vs. Generic: Because the trip point is color-coded, using the genuine pink 0130F00036 guarantees the exact factory cutout temperature. A generic switch with the wrong rating can either nuisance-trip or fail to protect the unit. The OEM part removes all guesswork on a safety-critical control.
Install Difficulty: Easy — two mounting screws and two push-on terminals, a 15–20 minute repair. Match the pink color code when replacing. Shut off gas and power first.