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The Goodman B1226207 is a genuine OEM suction-line accumulator engineered for the WGPH4543AMAB packaged unit and compatible Goodman/Amana systems. Installed on the suction side ahead of the compressor, the accumulator traps liquid refrigerant during off-cycles, defrost, and low-load conditions, then meters it back as vapor — protecting the compressor from damaging liquid floodback and slugging.
An accumulator must match the system's tonnage, internal volume, and connection sizes to function correctly. This OEM unit is sized to Goodman's specification for the WGPH4543 platform, with the correct oil-return orifice and line stubs. An undersized or wrong-port generic accumulator can starve oil return or fail to hold the full off-cycle liquid volume, putting the compressor at risk.
Difficult — a brazing repair for qualified HVAC technicians only. Recover the refrigerant charge, unbraze the old accumulator, and braze in the replacement while flowing nitrogen to prevent oxidation. Pull a deep vacuum, then recharge to the nameplate weight. Replace the filter drier at the same time and verify oil return after startup.
Genuine Goodman compressor protection, shipped fast from National HVAC Parts.