-40%
4 Inch Round Spring Loaded Backdraft Damper,Professional Grade Galvanized Steel
$ 10.56
- Description
- Size Guide
Description
4 Inch Round Spring Loaded Backdraft Damper,Professional Grade Galvanized SteelAbout this item:
May be installed in any position or orientation to prevent backflow and designed for use in AC, Heating, Vent, and other HVAC.
Make sure the damper is oriented so that the damper blades are in the open position when the fan is on.
Spring-loaded butterfly aluminum damper blades encased in a 20-gauge galvanized steel housing.
Minimal pressure to open. 0.04 to 0.08 in. w.g. Maximum automatic backflow protection.
Backdraft dampers are simply fitted into the duct. The foam gasket provides a secure fit.
Application temperatures from -22 to 180 degrees F (Fahrenheit).
Highest Rated Premium Airflow Control Backdraft Dampers.
Extremely easy and secure inline duct insertion installation.
The blades will close automatically when the fan stops.
Description:
Manufacturer: American Aldes Ventilation Corporation
Item Dimensions: LxWxH 1.75 x 3.75 x 3.75 inches
Material: Aluminum, Alloy Steel
Part Number: 99 023
Cooling Method: Air
Brand: ALDES
Condition: New
Size: 4 Inch