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Bard part number 5202-016 is an OEM suction accumulator designed for Bard wall mounted air conditioners and heat pump systems to protect the compressor by helping prevent liquid refrigerant from returning through the suction line. This accumulator is specified with a 3/4 inch connection and a 0.060 inch orifice, supporting stable refrigerant oil return and smoother operation after defrosts, low load conditions, or temporary flooding events. If you are troubleshooting compressor noise, slugging concerns, or have opened the sealed system for major service, replacing the accumulator with the correct Bard 5202-016 is a smart way to restore factory intended refrigerant management and ensure proper fit with the original piping layout.