Damper, Vert/Horiz Mtg, 17 3/4 Sq
Average Rating: n/a
|Item||Backdraft Exhaust Damper|
|Type||No Flange, Horizontal or Vertical Mount|
|Damper Size (In.)||17-3/4 x 17-3/4|
|Overall Size (In.)||17-3/4 x 17-3/4|
|Max. Velocity (FPM)||2000|
|Construction Material||G-90 Galvanized Steel Frame and Aluminum Blades|
|Includes||Pre-punched Conduit Hole Knock-out and Felted Edges For Quiet Operation|
- WARNING: Not for use with kitchen exhaust applications.
- Backdraft Dampers
- For use in roof curbs, ductwork, and wall collars when using a fan or power roof ventilator. G-90 galvanized frame is 2" deep. Mill-finish aluminum louvers. Stainless steel pivot pins and rivets, and nylon bushings. Prepunched conduit knockout.
- For belt-drive centrifugal roof and wall ventilators. Max. velocity: 2000 fpm for models up to 19" and no-flange, 2250 fpm for 23" and larger.