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The Goodman 0130M00264 Thermistor Relay is a genuine OEM temperature-sensing control for DCC300XXX4BXXXAB packaged air conditioner units and compatible Goodman/Amana equipment. This relay uses an integrated thermistor element to monitor a temperature input and switch its control contacts accordingly — a critical link in the unit's protection and staging logic. When the original relay fails, the system may short-cycle, fail to stage, or trip on a fault.
The OEM 0130M00264 is calibrated to Goodman's exact thermistor curve and contact rating, ensuring the control board sees the temperature signal it expects. Generic relays rarely match the precise thermistor characteristics, leading to erratic staging or false faults. For correct system behavior, use the factory part.
Easy to Moderate — a plug-in or screw-terminal swap with no refrigerant work, but correct wiring and terminal placement are essential. Disconnect power before servicing; a licensed technician is recommended for diagnosis.