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The Goodman 0151R00069SP Reversing Valve is the genuine OEM four-way changeover valve that lets your Goodman WGPH4524AMAB packaged heat pump switch between heating and cooling. By reversing the direction of refrigerant flow, this valve is the heart of heat-pump operation — directing hot gas to the indoor coil in heating mode and to the outdoor coil in cooling mode. A stuck or leaking reversing valve typically shows up as a heat pump that only cools, only heats, or hisses internally while bypassing refrigerant; the SP service-pack version includes the matched components for a clean replacement.
The OEM Goodman valve matches the original port sizes, slide-piston travel, and capacity rating for full, leak-free changeover. A generic valve may differ in line sizing or capacity, hurting capacity and reliability. Because this part requires brazing, the precision of an OEM fit pays off.
Advanced (Professional Recommended) — Requires refrigerant recovery, careful brazing with a heat sink to protect the solenoid, evacuation, and recharge. This is a job for an EPA-certified HVAC technician.