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Bard 536-489BX - CRV Exhaust BOP Assembly

The Bard 536-489BX CRV Exhaust BOP Assy (boxed) is an OEM ventilation accessory assembly used with Bard wall-mount units equipped with the CRV (Commercial Room Ventilator) option to manage the exhaust path at the service-door ventilation section. It helps keep the unit ventilation configuration operating as intended by Bard so the system can maintain proper building pressure relief and outside air control based on the unit’s ventilation setup. Because ventilation assemblies and door-mounted components can vary by model and vent code, confirm 536-489BX against your Bard unit model and serial number or the unit parts manual before ordering to ensure correct fit and function.


  • Technical Specifications
  • Product number: 536-489BX
  • Manufacturer description: CRV Exhaust BOP Assy - Boxed
  • HTS Code: "8415.90.8085"

  • Previous Versions
  • 536-489 (Obsolete, superseded by 536-489BX)

$155.00

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.