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The Goodman B1226207 is a genuine OEM suction-line accumulator for the ANZ130481AB heat pump. Positioned on the compressor suction line, the accumulator captures liquid refrigerant during defrost cycles and low-load conditions, metering it back as vapor to prevent liquid slugging — one of the most destructive failure modes for a heat pump compressor. Because it reverses between heating and cooling, a heat pump relies on this accumulator far more than a straight AC does.
OEM sizing matters here: the accumulator's internal volume, oil-return orifice, and tube stubs are matched to this unit's compressor and refrigerant charge. An improperly sized generic accumulator can restrict oil return or fail to hold enough liquid, shortening compressor life. Genuine Goodman ensures correct capacity and braze-ready connections.
Advanced (5/5). Requires refrigerant recovery, brazing new joints, evacuation, and recharge to spec. Strictly an EPA 608–certified technician job.