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Bard part 1812-0814 is an OEM refrigerant line assembly that connects the suction accumulator to the compressor in Bard wall-mounted air conditioners and heat pumps. This tubing section is critical to proper refrigerant return and compressor protection, since the accumulator helps keep excess liquid refrigerant from reaching the compressor during changing load conditions. Replacing a damaged, leaking, or corroded accumulator-to-compressor line with the correct Bard OEM part helps restore system sealing integrity, maintain designed refrigerant flow, and reduce the risk of repeat compressor issues. Because refrigerant line routing and fittings can vary by model and vintage, confirm compatibility by matching your unit model and serial number to the correct Bard parts list before ordering and follow proper evacuation and recharge procedures after installation.