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5651-178 OBSOLETE
- Expansion Valve 3/8" X 3/8"
Bard part 5651-178 is an OEM thermostatic expansion valve with 3/8 inch by 3/8 inch connections, used in Bard wall-mount air conditioning and heat pump systems to meter refrigerant flow into the evaporator coil. A properly matched expansion valve is critical for stable superheat control, reliable cooling capacity, and compressor protection, especially after a sealed-system repair or a valve that is sticking, hunting, or restricted. This is a fit-critical refrigeration component, so confirm your unit model and serial information and verify the exact Bard part number before ordering to ensure correct application and connection sizing.
Official replacement(s):
5651-178BX
- Expansion Valve 3/8" X 3/8" Boxed