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The Goodman B1226206 is a genuine OEM suction line accumulator built for the WPH4330AMAA packaged heat pump. Mounted on the compressor suction line, the accumulator traps liquid refrigerant and oil during defrost and low-load conditions, then meters it back to the compressor slowly as vapor. This prevents liquid slugging — a leading cause of compressor valve and bearing failure in heat pumps that reverse frequently.
This genuine Goodman OEM accumulator is sized to the WPH4330AMAA's compressor volume and charge, with factory-correct port orientation for a clean line-set fit. Generic accumulators may be under- or over-sized, altering oil return and compressor protection. The OEM part preserves the engineered charge behavior and keeps your warranty intact.
Advanced — professional recommended. Replacement requires refrigerant recovery, brazing the accumulator into the suction line, nitrogen purge, evacuation, and recharge by weight. EPA 608 certification is required. Keep the internal orifice oriented correctly and shield the body from excess brazing heat.
Inspected before every shipment. Need help confirming fit? Email info@nationalhvacparts.com.