Damper, Backdraft4HX77 51805
Average Rating: n/a
|Type||Wall Mount, Supply|
|Damper Size (In.)||15 x 15|
|Overall Size (In.)||17-3/4 x 17-3/4|
|Flange Width (In.)||1-3/8|
|Max. Velocity (FPM)||2000|
|Construction Material||16-gauge Extruded Aluminum Frame, Aluminum Blades, Galvanized Steel Tie Rods and Stainless Steel Hardware|
|Use w/Dayton Ventilators||4HZ58, 4HZ59|
|Includes||Felted Edges For Quiet Operation|
- WARNING: Not for use with kitchen exhaust applications.
- 16-ga. mill-finish extruded aluminum frame, 1-1/2" deep with 1-3/8" flange. Mill-finish aluminum louvers have galvanized steel reinforcement strip. Spring close for positive seal.
- Backdraft Dampers
- 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.