Pressure Relief Damper with Wall Cap and 4" Collar
Model No: BRN-BD4
Pressure Relief Damper with Wall Cap and 4" Collar
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Specially designed to handle intake or exhaust air from BROAN Energy Recovery Ventilating products

  • 30 gage galvanized steel construction
  • Combines wall cap and damper into one unit
  • Accepts 4" round duct
  • Reversible damper - can be used for intake or exhaust
  • Damper has positive seal - works in horizontal or vertical position
  • Movable collar - aids in sealing cutout
  • Built-in birdscreen
  • Extra long collar for easy connection of rigid or flexible ducting
  • Wide nailing/sealing flange
  • Can provide code required fresh air ventilation when ducted to furnace cold air return
  • Includes a "Fresh Air Inlet" label for required marking in some jurisdictions
cUL Listed No
ETL Listed No
HVI Certified No
UL Listing No

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