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Bard part number 8402-163 is an OEM refrigerant metering component identified as the L170-30 expansion valve with an auto blue face, used to regulate refrigerant flow into the evaporator for proper superheat control in Bard wall-mount air conditioners and heat pumps. A properly functioning expansion valve helps maintain stable suction pressure and consistent cooling performance, and it is a common fix when diagnosing symptoms like poor capacity, coil icing, or erratic system operation tied to incorrect refrigerant feed. Because expansion valves are application-specific, confirm 8402-163 against your unit model and serial or the correct Bard parts list before ordering to ensure the valve matches the required tonnage and refrigerant configuration.
* Orders less than $50 may incure a minimum order fee.