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Bard 5651-202BX - Expansion Valve

The Bard 5651-202BX expansion valve is an OEM refrigerant metering component used in Bard wall-mount HVAC equipment to regulate refrigerant flow into the evaporator and help maintain proper superheat under changing load conditions. When a system is icing up, running with poor capacity, or showing unstable suction pressure, a worn or restricted expansion valve can be a common root cause, and replacing it with the correct Bard-specified valve helps restore reliable cooling performance and protects the compressor. This boxed service part is intended to match Bard fit and function, but because thermal expansion valves can vary by tonnage, refrigerant, and connection details, confirm compatibility by matching the full part number 5651-202BX to your unit model and serial information before ordering.


  • Technical Specifications
  • Product number: 5651-202BX
  • Manufacturer description: Expansion Valve - Boxed
  • Weight: 0.700 lbs
  • HTS Code: "8415.90.8085"

  • Previous Versions
  • 5651-202 (Obsolete, superseded by 5651-202BX)

$107.00

What does the "BX" suffix mean?

Bard uses suffixes like "BX" to manage parts internally. These do not change the physical form or function of the part.

A part number ending in "BX" simply means it is packaged in a box for shipping, rather than for internal assembly use.

Example: 8406-142BX is physically identical to 8406-142.