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The Goodman B1226207 is the factory suction-line accumulator for the APH1642H41AA packaged heat pump. Positioned ahead of the compressor, it captures liquid refrigerant during defrost cycles and low-load conditions, metering it back as vapor so the compressor is never slugged with liquid. In heat-pump service — where reversing-valve operation frequently returns liquid to the suction line — the accumulator is essential to long compressor life.
The OEM B1226207 matches the factory volume, tube sizing, and oil-return orifice tuned to this compressor and charge. An undersized or mismatched generic accumulator can allow slugging or trap oil, shortening compressor life. For this component, OEM sizing is critical.
Advanced. Requires refrigerant recovery, brazing the suction connections, evacuation, and recharge. This is a professional HVAC job. Estimated time: 2–3 hours.
Only EPA-certified technicians should recover refrigerant and braze the sealed system.