2 Additional Images

RDHJ-Can Housing W/Radiation Damper,includes hanger bars. To be used with Models 110RDF, 80RDF, HD80RDF and HD50RDF finish packs

  • Overview
  • Specifications
  • Accessories
  • Where To Buy
  • Reviews
  • Answers
  • Many local codes require that exhaust fans installed in fire-rated ceilings must be protected by dampers, which, in case of fire, protect against the spread of heat and flame. Broan offers a variety of radiation/fire damper solutions to meet most any need.
    • Housings and finishes (motor assembly and grille) sold separately in units of four per carton - purchase housings for rough-in and blower assemblies/grilles later for finishing
    • UL classified (UL standard 555C) for use in 1-, 2-, or 3-hour fire-rated floor-ceiling and roof-ceiling designs
    • Warnock Hersey Listing allows use in combustible ceilings with ducted fans
    • High temperature, non-asbestos, reinforced fiber thermal fabric
    • Galvanized steel frame
    • 165°F fusible link
    • Stainless steel negator-type closure spring
    • Available from 50 CFM to 110 CFM
    • Radiation damper comes attached to housing
    • Blower assembly will fit into housing without the removal of the radiation damper - one less step in installation process
  • Duct Size4"