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Bard 9043-422BX - Inlet Gas Connector

Bard 9043-422BX is an OEM inlet gas connector supplied boxed (4085300) for Bard wall mounted HVAC equipment with gas heat, used to make the proper connection at the unit gas inlet so fuel can flow reliably to the heating section. When a connector is damaged, leaking, or has questionable threads or sealing surfaces, replacing it with the correct Bard part helps maintain safe operation and prevents nuisance shutdowns tied to gas supply issues. Because gas piping details vary by model and installation, confirm the exact unit model and gas train configuration before ordering, then have a licensed technician perform the replacement and leak check after installation.


  • Technical Specifications
  • Product number: 9043-422BX
  • Manufacturer description: Inlet Gas Connector - Boxed 4085300
  • Weight: 0.250 lbs
  • HTS Code: "8415.90.8085"

  • Previous Versions
  • 9043-422 (Obsolete, superseded by 9043-422BX)

$41.00 *

* 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.