Shop DAYTON

Backdraft Damper, Horizontal, 35-3/4Sq

  • Mfr # 3HHN1

  • Zoro # G3463616

product price:  $158.99
/ea
Free Shipping & Returns

Key Features

Type
No Flange, Horizontal Mount
Damper Size (In.)
35-3/4 x 35-3/4
Overall Size (In.)
35-3/4 x 35-3/4
Includes
Pre-Punched Conduit Hole Knock-Out; Felted Edges for Quiet Operation
Outside Flange (In.)
35-3/4 x 35-3/4
See all product information
Unlock 30-day payment terms
Unlock 30-day payment terms
Business customers can apply for Net 30—no fees, no interest, fast approval. Terms apply.
Create Account
Get 10% off your order
Get 10% off your order
Sign up for our email list and receive your promo code via email.

Specifications

Product Information

MFR #
3HHN1
Zoro #
G3463616
UPC #
190735289570
Country of Origin
United States

Dimensions

Damper Size (In.)
35-3/4 x 35-3/4
Overall Size (In.)
35-3/4 x 35-3/4
Overall Length
4 1/2 in
Overall Width
35 3/4 in
Overall Height
35 3/4 in
Blade Material Thickness
26 ga
Frame Depth
2 in
For Nominal Duct Diameter
36 in
Rough Opening Length
36 in
Rough Opening Width
36 in
Frame Material Thickness
20 ga
Rough Opening Diameter
36 in
Fits Fan Diameter
36 in
Wire Rope Length
4 1/2 in

Details

Item
35.75"H-W 4.5"L Aluminum Backdraft Dampr
Type
No Flange, Horizontal Mount
Includes
Pre-Punched Conduit Hole Knock-Out; Felted Edges for Quiet Operation
Outside Flange (In.)
35-3/4 x 35-3/4
Max. Velocity (FPM)
2,000 fpm
Construction Material
G-90 Galvanized Steel Frame and Aluminum Blades
Frame Less Flange
35 3/4
Maximum Ambient Temperature
180 Degrees F
Switch Action
Normally Closed
Damper Finish
Mill Finish
Maximum Pressure
1 in wc
Damper Type
Dynamic
Flange Type
None
Free Area
8.2 sq ft
Opening Type
Motorized
Counterbalanced
Yes
Damper Application
Backdraft
Minimum Ambient Temperature
-40 Degrees F
Blade Seal Material
Felt
Blade Material
Aluminum
Closure Velocity Rating
2,250 fpm
Blade Type
Flat Blade
For Duct Shape
Square
Series
611
Blade Orientation
Parallel Blades
Number of Panels
1
Mounting Position
Horizontal; Vertical
Frame Material
Galvanized Steel
Maximum Air Velocity
2250 fpm
Bushing Material
Nylon
Closure Type
Spring
Airflow Direction
Horizontal; Vertical
Single Acting/Double Acting
Single Acting
Rough Opening Shape
Square

Description

35.75 In.H-W 4.5 In.L Aluminum Backdraft Dampr, Damper Application Backdraft, For Nominal Duct Diameter 36 in, Frame Material Galvanized Steel, Number of Panels 1, Maximum Air Velocity 2250 fpm, Overall Height 35 3/4 in, Rough Opening Diameter 36 in, Rough Opening Shape Square, Fits Fan Diameter 36 in, For Duct Shape Square, Free Area 8.2 sq ft, Overall Width 35 3/4 in, Frame Material Thickness 20 ga, Overall Length 4 1/2 in, Frame Depth 2 in, Rough Opening Length 36 in, Maximum Pressure 1 in wc

Ratings & reviews

3 reasons you can count on us

  • Supplies for every job.

    10 million items and the exact one you need.

  • When you need it fast, count on Zoro!

    2 million products ship in 1 day.

  • Stretch your budget further.

    Everyday low prices on the brands you love.

Explore more products