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Bard 552-452-4BX - Filter Door Assembly

The Bard 552-452-4BX filter door assembly is an OEM exterior cabinet component used on select Bard wall mount HVAC units to provide secure, service-friendly access to the air filter for routine replacement and proper airflow. Finished in Buckeye Gray textured enamel to match factory units, this door helps keep the filter properly seated so the system can maintain designed filtration and performance. Ensure this matches the color of your Bard unit for seamless replacement. Exterior panels with enamel cabinet paint coating have been tested to withstand over 1000 hours of salt spray tests per ASTM B117-03. This listing is for the panel only. Reuse your existing fasteners, clips, and hardware.


  • Technical Specifications
  • Product number: 552-452-4BX
  • Manufacturer description: Filter Door Assy -Gray -Boxed
  • Weight: 5.000 lbs
  • HTS Code: "8415.90.8085"

  • Previous Versions
  • S552-452-4 (Obsolete, superseded by 552-452-4BX)

$142.00

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.