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20 in 23"H-W 5.75"L Alu Wall Backdraft Dampr, 20-1/2 in x 20-1/2 in, Aluminum

  • Mfr # 1C745

  • Zoro # G2729833

product price: 
$
86.79
/ea

Key Features

Shutter Mounting Position
Vertical
Shutter Mounting Location
Wall
Shutter Construction Material
G-90 Galvanized Steel Frame and Tie Rods
Shutter Free Area
2.281 sq ft
Shutter Opening Required
20-1/2 in x 20-1/2 in
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Specifications

Details

MFR #
1C745
Zoro #
G2729833
UPC #
190735131732
Country of Origin
United States
Item
23"H-W 5.75"L Alu Wall Backdraft Dampr
Shutter Mounting Position
Vertical
Shutter Mounting Location
Wall
Shutter Construction Material
G-90 Galvanized Steel Frame and Tie Rods
Shutter Free Area
2.281 sq ft
Shutter Opening Required
20-1/2 in x 20-1/2 in
Blade Material
Aluminum
Max. Velocity
2500 FPM
Type
Gravity Operated, Single Panel
Shutter Overall Square
23" x 23"
Frame Opening B
20 in
Frame Opening A
20 in
For Use With
Vertical Mounted Exhaust Fans
Shutter Item
Backdraft Damper / Wall Shutter
Number of Panels
1
Includes
Prepunched Mounting Holes; Felt edged Counterbalanced Louvers; Weep Holes In Frame Bottom
Mounting Position
Vertical
Free Area
2.3 sq ft
Damper Finish
Mill Finish
Tie-Rod Material
Galvanized Steel Frame and Tie Rods
Flange Type
Rear Flange
Closure Type
Gravity
Blade Type
Flat Blade
Frame Material
Galvanized Steel
Blade Orientation
Parallel Blades
Single Acting/Double Acting
Single Acting
Bushing Material
Stainless Steel
Maximum Ambient Temperature
180 Degrees F
Frame Less Flange
20
Damper Type
Static
Maximum Air Velocity
2500 fpm
Damper Application
Backdraft
Series
556
Counterbalanced
Yes
Switch Action
Normally Closed
Maximum Pressure
1 in wc
Rough Opening Shape
Square
Closure Velocity Rating
2,500 fpm
Blade Seal Material
Felt
Opening Type
Gravity
Airflow Direction
Horizontal

Description

23 In.H-W 5.75 In.L Alu Wall Backdraft Dampr, Damper Application Backdraft, For Nominal Duct Diameter Not Applicable, Frame Material Galvanized Steel, Number of Panels 1, Maximum Air Velocity 2500 fpm, Overall Height 23 in, Rough Opening Diameter 20 1/2 in, Rough Opening Shape Square, Fits Fan Diameter 20 in, For Duct Shape Not Applicable, Free Area 2.3 sq ft, Overall Width 23 in, Frame Material Thickness 20 ga, Overall Length 5 3/4 in, Connection Type Not Applicable, Frame Depth 2 1/2 in

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