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Bard 5651-172 - Expansion valve component

Bard part 5651-172 is an OEM thermostatic expansion valve component used in Bard wall mounted air conditioners and heat pump systems to meter refrigerant flow into the evaporator based on operating conditions. A properly matched TXV helps maintain stable suction pressure and superheat, which supports consistent capacity, protects the compressor from floodback, and can resolve symptoms like coil icing, hunting, or poor cooling when the original valve is restricted or out of calibration. Because metering devices are model and refrigerant specific, confirm the unit model and serial number and verify the correct application before ordering or installing 5651-172 to ensure proper fit and system performance.


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(844) WALLMOUNT (844-925-5668)


This Part is Used in These Models ℹ️