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Bard 553-449BX - Vent Option Door Assembly

The Bard 553-449BX Vent Option Door Assembly is an OEM replacement door used on select Bard wall mounted HVAC units to cover and support the factory ventilation opening, helping the unit maintain proper airflow management and weather protection when a ventilation option is installed or serviced. This assembly is commonly referenced as a stainless vent option door and is built to match original fit and mounting points for a straightforward swap during repairs or retrofit work. Confirm compatibility by matching the part number to your unit model and parts list before ordering.


  • Technical Specifications
  • Product number: 553-449BX
  • Manufacturer description: Vent Option Door Assy-SS-Boxed
  • HTS Code: "8415.90.8085"

  • Previous Versions
  • S553-449 (Obsolete, superseded by 553-449BX)

$336.00

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.