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Bard 5651-222BX - Expansion Valve

The Bard 5651-222BX expansion valve is an OEM refrigerant metering component used in select Bard wall mount air conditioners and heat pumps to maintain correct evaporator feed and stable superheat across changing load conditions. If a system is hunting, icing the evaporator, or showing poor cooling performance after charge and airflow have been verified, replacing the thermostatic expansion valve with the correct Bard part number can restore proper refrigerant control and protect the compressor. Because TXV sizing and refrigerant type must match the original design, confirm unit model and serial information and cross reference the Bard parts list before ordering the 5651-222BX.


  • Technical Specifications
  • Product number: 5651-222BX
  • Manufacturer description: Expansion Valve - Boxed
  • Weight: 0.700 lbs
  • HTS Code: "8415.90.8085"

  • Previous Versions
  • 5651-222 (Obsolete, superseded by 5651-222BX)

$111.00

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.