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The Bard 5626-055 .055 Piston Kit is an OEM refrigerant metering component used in select Bard wall-mounted air conditioners and heat pumps that use a fixed-orifice piston style distributor. A properly sized piston helps maintain correct refrigerant feed to the evaporator coil, supporting stable superheat, efficient cooling, and reliable compressor operation. This kit is a common service item when changing refrigerant components, correcting improper capacity match, or replacing a worn or contaminated piston and seal during system repairs. Verify the required orifice size and the exact Bard model and serial number application before ordering to ensure proper fit and performance.
* Orders less than $50 may incure a minimum order fee.