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Bard part number 5202-022 is an OEM suction accumulator used in the refrigeration circuit of select Bard wall mounted air conditioners and heat pump units to help protect the compressor by trapping excess liquid refrigerant and returning oil back to the system. This accumulator is specified with a 7/8 inch connection and a 0.055 inch orifice, so matching the line size and metering details is important for proper fit and stable operation. If you are troubleshooting a flooded start, oil return concerns, or a contaminated sealed system after a compressor failure, replacing the accumulator during sealed system service can help restore reliable performance when installed by a qualified HVAC technician following Bard service procedures.