Bath Fan Radiation Dampers Part_Motors and HVWM 30 manufactured after

and HVWM 30 manufactured after July 2017

Replace your worn or damaged dome to keep your attic protected from the elements and your fan operating efficiently

GFCI plug for worry-free operation

Requires wiring to your building's electrical system and 13

Bath Fan Radiation Dampers Part_Motors and HVWM 30 manufactured afterMany local codes require the installation of a ceiling radiation damper to protect the bath fan opening against the spread of heat and fire through the ductwork. Installed between the housing and grille, the damper employs an insulation blanket that closes off the opening in an emergency by means of a heat sensitive fusible link. Our ceiling dampers meet UL Standard 555C and are labeled for use in fire resistive floor ceiling membranes.