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The Goodman 0151R00069SP is a genuine OEM 4-way reversing valve engineered for the WPH4330AMAA packaged heat pump. This valve is the heart of the heat pump's changeover system — it redirects refrigerant flow to switch the unit between heating and cooling modes on demand from the solenoid coil. A failed or leaking reversing valve is one of the most common reasons a heat pump stops heating in winter or gets stuck in one mode.
This is a genuine Goodman OEM valve — a direct drop-in with factory-matched port spacing and pilot orifice sizing. Universal aftermarket reversing valves exist at lower cost but often require re-piping, adapter fittings, and coil matching, and they can void remaining factory warranty. For a reliable, warranty-safe repair on the WPH4330AMAA, the OEM valve is the recommended choice.
Advanced — professional recommended. Replacement requires refrigerant recovery, brazing the new valve into the line set, evacuation, and recharging by weight. This is EPA 608 certified technician work. Improper brazing heat can damage the valve's internal seals, so wrap the body with a wet rag during installation.
Every part is inspected before shipping. Questions on fitment? Contact info@nationalhvacparts.com.