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The OEM Goodman 0130M00264 Thermistor Relay is a temperature-sensing control relay used in Goodman DCC300-series packaged air conditioners. Pairing a thermistor sensor with a switching relay, it monitors a temperature input and energizes or de-energizes a control circuit accordingly — supporting functions such as compressor protection, fan staging, or defrost/temperature-based logic depending on the unit configuration.
This genuine Goodman OEM relay matches the original thermistor curve, coil voltage, and contact rating, so the unit's control board reads temperature exactly as designed. Substitute relays can shift switching points or mismatch the harness, leading to erratic operation. OEM ensures plug-and-play accuracy.
Intermediate. Replacement involves disconnecting power, identifying the correct harness connections, and confirming the sensor is seated in its original location. A multimeter is recommended to verify operation. Best handled by a technician comfortable with low-voltage control wiring.