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Bard 905-0631BX - Expansion Valve Assembly

The Bard 905-0631BX Expansion Valve Assy (boxed) is an OEM refrigerant metering component used in Bard wall-mount air conditioning systems to precisely regulate refrigerant flow into the evaporator coil. By maintaining proper superheat under changing loads, this valve helps protect the compressor and supports stable cooling performance, making it a go-to replacement when a system shows symptoms like poor cooling, hunting, or abnormal suction pressures tied to a faulty or restricted metering device. Because correct fit and charge performance depend on the exact valve selection, match 905-0631BX to your unit model and serial details before ordering.


  • Technical Specifications
  • Product number: 905-0631BX
  • Manufacturer description: Expansion Valve Assy - Boxed
  • Weight: 5.000 lbs
  • HTS Code: "8415.90.8085"

  • Previous Versions
  • 905-0631 (Obsolete, superseded by 905-0631BX)

$253.00

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.