Backdraft Vertical Mount 3550-66X38

Backdraft Vertical Mount 3550-66X38h3. Standard Features * 3550 Vertical mount * 3560 Horizontal mount air up * 3570 Horizontal mount air down * 3580 Round sizes available 5" to 24" * All non motorized backdraft dampers * Dampers are opened by air pressure differential and closed by gravity * 16 gauge channel frame with 26 gauge galvanized blades * Out of airstream linkage * Blades are vee stiffened 26 gauge for strength and stability * Square steel pivot pins * Nylon bushings * Single

904 - Double Deflection Adjustable Aluminum Blade Grille For a 42" x 18" Duct Opening (front blades parallel to shortest dimension)

22 gauge galvanized steel roll formed frame

Hinged removable extruded aluminum face frame with signature line marks

700 CB40 - four way * 6x6 thru 20x20 diffuser sizes * Square to round No Labor Collar * 2x2 galvaneal steel panel with seismic support holes * Soft White Options * 700 CB40 0 - opposed blade damper * 700CB FR - U

Standard Features * Field installable butterfly damper * Available in sizes 6

T-Bar hinged 2 Cone Step Down Diffuser with Round Collar

Recessed screwdriver operated Opposed Blade Damper

T-Bar Modular Core Diffuser with Round Collar 6-14

REVIT FILES CB Series REVIT files

Margin edges are 7/8" projection for baseboard installation

MRI Compatible

UL listed and tested in accordance with UL Standard 555