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Restore proper defrost operation with the genuine Goodman 0130M00105 defrost thermostat, a direct-fit replacement for the ASZ130241AG 2-ton 13 SEER heat pump. Clamped to the outdoor coil, this temperature-sensitive switch tells the defrost board when frost has accumulated and when the coil is clear, ensuring the unit runs efficient defrost cycles and avoids ice buildup that starves heating capacity in cold weather.
The OEM 0130M00105 is calibrated to Goodman's exact open/close set points, so defrost timing matches the control board's logic. Generic sensors with mismatched trip temperatures cause short-cycling, premature defrosts, or coil icing — problems that waste energy and stress the compressor. Match the factory spec for dependable cold-weather performance.
Easy (1/5). Kill power at the disconnect, unclip the old thermostat, transfer the two push-on leads, and clamp the new sensor to the same coil location. A 10-15 minute repair with basic hand tools and no refrigerant work.