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The Goodman 0130M00264 Thermistor Relay is a genuine OEM control component for DCC300XXX3BXXXAB air conditioning units. Combining a temperature-sensing thermistor with a switching relay, it monitors a key temperature point in the system and energizes or de-energizes the connected load based on that reading. This protects components from thermal extremes and keeps the unit operating within its designed envelope.
This genuine Goodman OEM relay is matched to the thermistor curve and switching thresholds your control system expects. Generic substitutes can have different resistance characteristics or contact ratings that cause erratic switching, fault codes, or premature failure. For dependable control logic, OEM is recommended.
Difficulty: Easy to Moderate. Typically a plug-in or spade-terminal swap once the access panel is removed. Always disconnect power first, photograph the wiring before disconnecting, and confirm terminal orientation. A handy DIYer can manage it, but consult a technician if fault codes persist.