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5651-173 OBSOLETE
- Expansion Valve
The Bard 5651-173 expansion valve is an OEM metering device used in Bard wall-mounted HVAC equipment to regulate refrigerant flow into the evaporator and maintain stable superheat across changing load and outdoor conditions. When a valve is restricted, stuck, or out of calibration, you may see poor cooling capacity, coil icing, or erratic suction pressures, and replacing it with the correct Bard part helps restore proper refrigerant control and overall system performance. Because expansion valves are application-specific by refrigerant type, tonnage, and connection style, confirm compatibility with your unit model and serial number or the Bard parts breakdown before ordering, and have installation performed by a qualified technician with proper evacuation and charging procedures.
Official replacement(s):
5651-174
- Expansion Valve