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  5. Wall Backdraft Damper, Vertical Mount, 36 in Dia Fan, 39 in H x 39 in W x 5-3/4 in D, 2500 fpm
Dayton Wall Backdraft Damper, Vertical Mount, 36 in Dia Fan, 39 in H x 39 in W x 5-3/4 in D, 2500 fpm 3HHN9 - main

Wall Backdraft Damper, Vertical Mount, 36 in Dia Fan, 39 in H x 39 in W x 5-3/4 in D, 2500 fpm

  • Mfr # 3HHN9

  • Zoro # G2651661

product price:  $232.99
/ea
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Key Features

Shutter Mounting Position
Vertical
Shutter Mounting Location
Wall
Shutter Construction Material
Extruded Aluminum Frame and Galvanized Tie Rods
Shutter Free Area
7.071 sq ft
Shutter Opening Required
36-1/2 in x 36-1/2 in
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Specifications

Product Information

MFR #
3HHN9
Zoro #
G2651661
UPC #
190735289655
Country of Origin
United States

Dimensions

Shutter Overall Size
39 in x 39 in
Fits Fan Dia.
36 in
Mounting Hole Size
Prepunched
Flange Width
1 1/2 in
Frame Depth
3 in
Open Depth
5 3/4 in
Overall Length
5 1/4 in
Overall Diameter
39 in
Frame Opening Width
36 in
Overall Width
39 in
Frame Material Thickness
0.8 in
Blade Material Thickness
26 ga
Mounting Hole Diameter
1/4 in
Rough Opening Diameter
36 1/2 in
Fits Fan Diameter
36 in
Rough Opening Width
36.5 in
Overall Height
39 in
Frame Opening Height
36 in
Rough Opening Length
36 1/2 in

Details

Item
39"H-W 5 1/4"L Aluminum Backdraft Damper
Shutter Mounting Position
Vertical
Shutter Mounting Location
Wall
Shutter Construction Material
Extruded Aluminum Frame and Galvanized Tie Rods
Shutter Free Area
7.071 sq ft
Shutter Opening Required
36-1/2 in x 36-1/2 in
Blade Material
Aluminum
Max. Velocity
2500 FPM
Type
Gravity Operated, Double Panel
Frame Opening A
36 in
Frame Opening B
36 in
For Use With
Vertical Mounted Exhaust Fans
Shutter Item
Backdraft Damper / Wall Shutter, Front Flange
Number of Panels
2
Shutter Overall Square
39" x 39"
Includes
Prepunched Mounting Holes; Felt edged Counterbalanced Louvers; Weep Holes In Frame Bottom
Mounting Position
Vertical
Free Area
7.1 sq ft
Frame Material
Aluminum
Closure Type
Gravity
Flange Type
Front Flange
Single Acting/Double Acting
Single Acting
Frame Less Flange
36
Closure Velocity Rating
2,500 fpm
Opening Type
Gravity
Damper Application
Backdraft
Counterbalanced
Yes
Minimum Ambient Temperature
-40 Degrees F
Blade Type
Flat Blade
Maximum Ambient Temperature
180 Degrees F
Blade Orientation
Parallel Blades
Rough Opening Shape
Square
Color
White
Series
EASR
Tie-Rod Material
Galvanized Steel Frame and Tie Rods
Airflow Direction
Horizontal
Bushing Material
Stainless Steel
Maximum Air Velocity
2500 fpm
Maximum Pressure
1 in wc
Damper Type
Static
Blade Seal Material
Felt
Damper Finish
Mill Finish
Switch Action
Normally Closed

Description

39 In.H-W 5 1/4 In.L Aluminum Backdraft Damper, Damper Application Backdraft, For Nominal Duct Diameter Not Applicable, Frame Material Aluminum, Number of Panels 2, Maximum Air Velocity 2500 fpm, Overall Height 39 in, Rough Opening Diameter 36 1/2 in, Rough Opening Shape Square, Fits Fan Diameter 36 in, For Duct Shape Not Applicable, Free Area 7.1 sq ft, Overall Width 39 in, Frame Material Thickness 0.8 in, Overall Length 5 1/4 in, Connection Type Not Applicable, Frame Depth 3 in

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