CRD50-98-BT CRD50-EA-98-BT

Standard Construction:

CEILING RADIATION DAMPER
Fusible Link:165°F standard (optional 212°F)
blades:22 gauge galvanized steel with Ceramic fiber with fiberglass cover (sizes over 80 SQ/IN)
Frame:Roll formed 22 gauge galvanized steel

BOOT/ REGISTER BOX
Frame:30 Gauge galvanized steel
Flange:Standard 1/2” deep plaster flange (additional depths are available) & standard 1” wide flanges (4) sides
Collar:Round type “CR’ collar. (provide nominal size)

FIBERGLASS INSULATION
Placement:Exterior wrapped foil faced fiberglass R-6 insulation-field installed
Type:1-1/2” wide UL 181 aluminum duct tape