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Bard 5603-004BX - BBR14 0.014 in refrigerant orifice

The Bard 5603-004BX is an OEM fixed refrigerant metering orifice (BBR14) with a 0.014 inch bore that helps set the correct refrigerant flow rate in compatible Bard wall-mounted air conditioners and heat pumps. A properly sized orifice is critical for stable superheat, reliable capacity, and compressor protection, especially after a sealed-system repair or when troubleshooting improper charge symptoms. Because metering components are application-specific, confirm the unit model and the required orifice size from the Bard service literature before ordering to ensure correct fit and performance.


  • Technical Specifications
  • Product number: 5603-004BX
  • Manufacturer description: Bbr14 .014 Dia. Orifice Boxed
  • Weight: 0.100 lbs
  • HTS Code: "8415.90.8085"

  • Previous Versions
  • 5603-004 (Obsolete, superseded by 5603-004BX)

$25.00 *

* Orders less than $50 may incure a minimum order fee.

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.