A UL-approved fiberglass plenum box with ceiling radiation damper (CRD) is available in three model styles. The fiberglass plenum boxes are offered in 1- and 1-1/2-inches-thick rigid ductboard with ...

Bathroom exhaust fans are the most common way to properly ventilate and control moisture in residential bathrooms. Along with providing effective ventilation, bath fans with a ceiling radiation damper ...

Description: This oval-shaped damper can be operated remotely. It has a direct cable to damper connection, and the damper is adjusted via rotary cable actuation using a nut driver or flat-head ...