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The Goodman 10135604 is a genuine OEM control relay engineered as a direct-fit replacement for the WGHP4442AAF air conditioner. This electromechanical relay performs the low-voltage switching that energizes the contactor, fan, or auxiliary circuits in your unit. A worn or chattering relay is a common cause of a system that won't start, short-cycles, or ignores the thermostat — replacing it restores dependable operation without swapping the entire control board.
This is the genuine OEM Goodman relay, guaranteeing the exact coil voltage, contact rating, and terminal layout your unit's wiring expects. Generic relays can vary in pickup voltage and footprint, risking miswiring or early failure. For a control component, OEM is the safe choice.
Difficulty: Moderate. Installation requires disconnecting power, photographing and transferring the wiring, and mounting the new relay. Best handled by a licensed HVAC technician. Always shut off power at the breaker before servicing.