Backdraft damper, vertical or horizontal mount, Model WD-410, 12 In Sq, No Flange, Performance up to 2,500 ft/min

The WD-410 series are non-motorized backdraft dampers which may be mounted either vertically for intake air or mounted horizontally to allow vertical airflow down and prevent reverse airflow. The dampers are opened by air pressure differential and closed by springs. Width and height furnished approximately 0.125 in. under size
Availability:  4 in Troy
SKU: WD4101212
Products specifications
Attribute name Attribute value
Damper Width x Damper Height 10 x 10 in
Weight 4 lbs
Max Velocity 2500
Pressure Differential Max 2
Mounting Position Horizontal, Vertical
Frame Material Galvanized Steel
Frame Gauge 18
Frame Type No Flange
Blade Material Roll formed aluminum
Blade Gauge 0.025
Warranty Length 1 Year