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The Bard 5202-017 suction accumulator is an OEM refrigerant-side protection component used in Bard wall-mounted air conditioner and heat pump systems to help prevent liquid refrigerant floodback from reaching the compressor during start-up, defrost, or low load operation. This accumulator has a 7/8 inch connection and a 0.060 inch orifice, making it a fit-critical part that supports stable suction line conditions and long compressor life when the system is properly charged and metering correctly. If you are replacing a failed compressor or addressing recurring liquid return issues, replacing the accumulator with the correct Bard 5202-017 is a smart, factory-correct step, and you should confirm application by model and serial number before ordering.