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The genuine Goodman 10135604 Relay is a factory-original control component engineered for the Goodman WGHP4360AAA heat pump and other compatible units. This relay handles the electrical switching that energizes major loads such as the compressor or condenser fan motor, making it a critical part for restoring proper system operation when contacts wear, stick, or fail to pull in.
This is the true OEM Goodman relay, built to the exact contact rating, coil voltage, and terminal layout specified for your unit — no rewiring or guesswork. Aftermarket generic relays may carry a lower sticker price but often differ in switching capacity and mounting, leading to nuisance failures and callbacks. For a heat pump you rely on, the OEM part protects the compressor circuit and preserves warranty-grade performance.
Moderate — Replacement is a straightforward swap for an experienced technician: disconnect power, photograph and transfer the wiring one terminal at a time, and seat the new relay. Because it controls high-voltage loads, we recommend a licensed HVAC professional perform the work. Always disconnect power at the breaker before servicing.