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The Goodman B1226207 is a genuine OEM suction-line accumulator designed for the APH1442H41EB Amana/Goodman packaged heat pump and compatible 14 SEER, 3.5-ton systems. Positioned on the suction line ahead of the compressor, the accumulator traps liquid refrigerant during heat-pump defrost cycles and low-load conditions, metering it back as vapor so the compressor is never slugged with liquid. This is especially critical in heat pumps, where reversing-valve operation can send liquid back toward the compressor.
The genuine B1226207 matches the factory line sizing, internal volume, and oil-return metering that Goodman engineered for this platform. A generic accumulator with the wrong volume or oil-return orifice can starve the compressor of oil or fail to fully protect against slugging. Given the compressor is the most expensive component in the system, the OEM accumulator is the safe choice.
Advanced. Installation requires refrigerant recovery, brazing new joints, nitrogen purge, evacuation, and recharge — strictly work for an EPA 608-certified HVAC professional. Expect 1.5–2.5 hours of labor plus system commissioning.