Series 58DD | True Truss™

Ceiling Radiation Damper

Profile – 22Ga 1 Piece Rollformed Frame and Blades
UL Classified UL 263 – For Use in Wood Truss Floor/Ceiling Assemblies Rated 1 Hour or Less

Specifications:

Material

Galvanized Steel

Fusible Link

165° Rated Link – Standard
212° Rated Link – Optional

Sizes

4” x 8” x 14”h to 20” x 16” x 16”h

Enclosure Types

Incorporates Series 50 UL 555C Evaluated Ceiling Damper
1½” R-6 and R-8 Ductboard Box – Factory Installed Included
Optional – 58SD Field Installed Steel Plenum Box Insulation (by others)

Insulation

Ceramic Thermal Blanket Provide on Units with Area Greater Than 84 Square Inches

UL Design

UL 263 Approved for Use in
L587*, L528, L558, L562, L574, and L585 Floor/Ceiling
P556*, P533, P545, P547, and P580 Roof/Ceiling

*ATI Exclusive Listing