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The Bard 800-0326 drain back orifice assembly is an OEM refrigerant-side metering component used in select Bard wall-mounted air conditioners and heat pumps to help control drain-back behavior during off cycles and system transitions. By maintaining the intended flow restriction in the circuit, it supports stable refrigerant management and helps protect overall system performance when conditions change. If you are troubleshooting oil return concerns, abnormal refrigerant migration symptoms, or replacing a restricted or damaged orifice, using the correct Bard 800-0326 ensures proper fit and restores the unit to the factory-designed refrigerant control strategy. Confirm compatibility by matching the full model and serial number from the Bard nameplate to the correct parts list or service manual before ordering.
* Orders less than $50 may incure a minimum order fee.