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Bard 5651-210BX - Expansion Valve

The Bard 5651-210BX Expansion Valve (boxed) is an OEM refrigerant metering component used in Bard wall mount and packaged HVAC systems to regulate refrigerant flow into the evaporator coil for stable superheat control and dependable cooling performance. Replacing a worn or restricted expansion valve can help correct issues like poor capacity, coil icing, and inconsistent suction pressure, but proper diagnosis is important since similar symptoms can be caused by charge, airflow, or moisture restrictions. Because this is a precision refrigeration part, confirm the exact Bard model and serial number application before ordering and have installation performed by a qualified technician following proper evacuation and charging procedures.


  • Technical Specifications
  • Product number: 5651-210BX
  • Manufacturer description: Expansion Valve - Boxed
  • Weight: 0.650 lbs
  • HTS Code: "8415.90.8085"

  • Previous Versions
  • 5651-210 (Obsolete, superseded by 5651-210BX)

$122.00

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.