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The 0130M00105 is the genuine OEM defrost thermostat for the Goodman ASZ130361AC heat pump. Clamped to the outdoor coil, this temperature-sensing switch tells the defrost control board when frost has accumulated on the coil and when the coil has cleared. A failed defrost thermostat is one of the most common causes of a heat pump that ices over in winter or that runs unnecessary defrost cycles — both of which cut heating capacity and waste energy.
The genuine Goodman thermostat is calibrated to the exact open/close temperatures the ASZ130361AC defrost board expects. Generic switches with different setpoints can trigger defrost too early (wasting heat) or too late (allowing ice buildup). At this price point, the OEM part removes all guesswork and guarantees correct defrost timing.
Easy (2/5). Cut power at the disconnect, unclip the old thermostat from the coil tube, transfer the wire leads to the new switch, and re-clip it in the same location for accurate sensing. Roughly 15 minutes with basic hand tools. No refrigerant handling required.
Direct-fit for the ASZ130361AC. Need help identifying your defrost fault? Reach us at info@nationalhvacparts.com.