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Damper, Roof Mount

  • Mfr # 4HX69

  • Zoro # G2982865

product price:  $144.99
/ea
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Key Features

Type
Roof Mount, Exhaust
Damper Size (In.)
35 x 35
Overall Size (In.)
37 x 37
Includes
Pre-Punched Conduit Hole Knock-Out; Felted Edges for Quiet Operation
Flange Width (In.)
1 in
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Specifications

Product Information

MFR #
4HX69
Zoro #
G2982865
UPC #
190735325933
Country of Origin
United States

Dimensions

Damper Size (In.)
35 x 35
Overall Size (In.)
37 x 37
Flange Width (In.)
1 in
Overall Width
37 in
Overall Length
4 1/2 in
Overall Height
37 in
Rough Opening Length
34 1/2 in
Flange Width
1 in
Rough Opening Width
35.5 in
Fits Fan Diameter
36 in
Frame Material Thickness
20 ga
Frame Depth
2 in
Rough Opening Diameter
35 1/2 in

Details

Item
37"H-W 4.5"L Aluminum Backdraft Damper
Type
Roof Mount, Exhaust
Includes
Pre-Punched Conduit Hole Knock-Out; Felted Edges for Quiet Operation
Construction Material
Aluminum Blades, G-90 Galvanized Steel Frame, Nylon Bushings and Galvanized Steel Tie Rods., Stainless Steel Pivot Pins
Outside Flange (In.)
37 x 37
Use w/Dayton Ventilators
4HX88, 4HX99
Max. Velocity (FPM)
2,250 fpm
Damper Type
Static
Flange Type
Rear Flange
Frame Less Flange
35
Switch Action
Normally Closed
For Duct Shape
Square
Mounting Position
Horizontal
Frame Material
Galvanized Steel
Single Acting/Double Acting
Single Acting
Free Area
7.1 sq ft
Rough Opening Shape
Square
Counterbalanced
Yes
Number of Panels
1
Bushing Material
Nylon
Maximum Pressure
1 in wc
Closure Velocity Rating
2,250 fpm
Airflow Direction
Vertical
Blade Type
Flat Blade
Blade Orientation
Parallel Blades
Maximum Ambient Temperature
180 Degrees F
Blade Seal Material
Felt
Damper Application
Backdraft
Blade Material
Aluminum
Maximum Air Velocity
2250 fpm
Closure Type
Gravity

Description

37 In.H-W 4.5 In.L Aluminum Backdraft Damper, Damper Application Backdraft, For Nominal Duct Diameter Not Applicable, Frame Material Galvanized Steel, Number of Panels 1, Maximum Air Velocity 2250 fpm, Overall Height 37 in, Rough Opening Diameter 35 1/2 in, Rough Opening Shape Square, Fits Fan Diameter 36 in, For Duct Shape Square, Free Area 7.1 sq ft, Overall Width 37 in, Frame Material Thickness 20 ga, Overall Length 4 1/2 in, Frame Depth 2 in, Rough Opening Length 34 1/2 in

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