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The Goodman 0130M00264 Thermistor Relay is a genuine OEM control component for the Goodman DBC3003VAA air conditioner and compatible units. This relay works with the system's thermistor sensing circuit to switch a load based on temperature feedback — supporting functions such as compressor staging, fan control, or protective shutdown. When a unit behaves erratically, fails to energize a stage, or shows intermittent control faults, a worn or pitted relay is a frequent cause.
This genuine Goodman OEM relay matches the original coil voltage, contact rating, and terminal arrangement exactly — ensuring reliable switching and a true plug-in fit. Generic relays may carry similar specs on paper but often differ in pinout or contact life, leading to miswiring or premature failure. For a control-circuit part, OEM removes the guesswork.
Difficulty: Easy to Moderate. De-energize the unit at the breaker, open the control compartment, and photograph the wiring before removing the old relay. Transfer connections one at a time to the new part, or unplug and re-seat if it is a plug-in style. Most installs take 20–30 minutes. If you are unsure of the wiring, a licensed HVAC technician is recommended.