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The Goodman B1226206 Suction Line Accumulator is a genuine OEM component for the Goodman/Amana WPH4324AMAB packaged heat pump. Installed on the suction line ahead of the compressor, the accumulator traps liquid refrigerant and oil during off-cycles, defrost, and low-load conditions, then meters it back slowly so only vapor reaches the compressor. This prevents liquid slugging — one of the leading causes of catastrophic compressor failure in heat pumps.
Because heat pumps reverse flow for defrost, a correctly rated accumulator is essential to compressor longevity. This factory replacement is built to the exact volume and port sizing of your original.
The OEM accumulator is matched to your system's charge volume and oil-return orifice, ensuring proper compressor protection without starving it of oil. A generic accumulator that is undersized or has a different oil-return orifice can either fail to protect the compressor or cause oil logging.
Installation requires refrigerant recovery, brazing the accumulator into the suction line, evacuating to a deep vacuum, and recharging to the nameplate weight. This is EPA-regulated work best handled by a licensed HVAC technician. Verify the part number on your unit's data plate before ordering.