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The Goodman 0130M00105 Defrost Thermostat is a genuine OEM replacement engineered for the ANZ130421AD heat pump and compatible Goodman/Amana condensing units. This coil-mounted bi-metal switch monitors outdoor coil temperature and works with the defrost control board to start and stop the defrost cycle, preventing frost and ice from restricting airflow and robbing your heat pump of efficiency in cold weather.
Our genuine OEM 0130M00105 is factory-calibrated to the precise cut-in and cut-out temperatures specified for this platform. Universal aftermarket thermostats often switch at the wrong setpoints, causing incomplete defrosts, ice accumulation, or wasted energy. OEM delivers guaranteed fit and dependable defrost control.
Easy (1/5) — A straightforward 10–15 minute repair. Cut power at the disconnect, unclip the failed sensor from the coil, move the wire leads to the new thermostat, and clip it into place. Hand tools only; no refrigerant handling required.