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5651-177 OBSOLETE
- Expansion Valve 3/8" X 3/8"
Bard part 5651-177 is an OEM thermostatic expansion valve (TXV) with 3/8 inch by 3/8 inch connections used in Bard wall mount air conditioners to meter refrigerant into the evaporator coil based on load, helping maintain stable superheat and protecting the compressor from liquid floodback. A properly functioning expansion valve is critical for consistent cooling, correct coil feeding, and normal system pressures, especially after a sealed system repair where moisture or debris can cause sticking or restriction. This Bard OEM valve is intended to match factory fit and operation, but you should confirm application by unit model and serial and verify the required refrigerant and valve style before ordering since Bard has updated some part numbers over time.
Official replacement(s):
5651-177BX
- Expansion Valve 3/8" X 3/8" Boxed