1. Home
  2. Heating & Cooling
  3. Ventilation
  4. Shutters and Accessories
  5. 30 in 32.75"H-W Alu Universal Backdraft Dampr, 31 in x 31 in, Aluminum
Dayton 30 in 32.75"H-W Alu Universal Backdraft Dampr, 31 in x 31 in, Aluminum 3HHT1 - main

30 in 32.75"H-W Alu Universal Backdraft Dampr, 31 in x 31 in, Aluminum

  • Mfr # 3HHT1

  • Zoro # G3450937

product price:  $214.99
/ea
Free Shipping & Returns

Key Features

Shutter Mounting Position
Vertical
Shutter Mounting Location
Wall
Shutter Construction Material
Extruded Aluminum Frame and G-90 Galvanized Tie Rods
Shutter Free Area
4.779 sq ft
Shutter Opening Required
31 in x 31 in
See all product information
Get a 10% off coupon
Free 30-day returns
Return Policy
Get 30 days to pay with Net 30
Apply Now
Real support from real people
Contact our U.S. based team

Specifications

Product Information

MFR #
3HHT1
Zoro #
G3450937
UPC #
190735289846
Country of Origin
United States

Dimensions

Shutter Overall Size
32-3/4 in x 32-3/4 in
Fits Fan Dia.
30 in
Open Depth
6 in
Mounting Hole Size
Prepunched
Flange Width
1 3/8 in
Frame Depth
1 5/8 in
Rough Opening Length
31 in
Rough Opening Width
31 in
Fits Fan Diameter
30 in
Mounting Hole Diameter
1/4 in
Blade Material Thickness
26 ga
Overall Height
32 3/4 in
Frame Material Thickness
0.1 ga
Overall Width
32 3/4 in

Details

Item
32.75"H-W Alu Universal Backdraft Dampr
Shutter Mounting Position
Vertical
Shutter Mounting Location
Wall
Shutter Construction Material
Extruded Aluminum Frame and G-90 Galvanized Tie Rods
Shutter Free Area
4.779 sq ft
Shutter Opening Required
31 in x 31 in
Blade Material
Aluminum
Max. Velocity
2250 FPM
Type
Gravity Operated, Single Panel
Number of Panels
1
Shutter Overall Square
23"
Frame Opening B
30 in
Frame Opening A
30 in
Shutter Item
Backdraft Damper / Intake Shutter
For Use With
Vertical Mounted Supply Fans
Mounting Position
Horizontal; Vertical
Free Area
4.8 sq ft
Single Acting/Double Acting
Single Acting
Tie-Rod Material
Galvanized Steel Frame and Tie Rods
Flange Type
Front Flange
Airflow Direction
Horizontal
Mounting Style
Flush Mount
Damper Finish
Baked Enamel
Blade Seal Material
Felt
Counterbalanced
Yes
Switch Action
Normally Closed
Frame Material
Aluminum
Color
White
Bushing Material
Stainless Steel
Rough Opening Shape
Square
Closure Type
Spring
Maximum Pressure
1 in wc
Opening Type
Spring
Maximum Air Velocity
2250 fpm

Description

32.75 In.H-W Alu Universal Backdraft Dampr, Frame Material Aluminum, Number of Panels 1, Maximum Air Velocity 2250 fpm, Overall Height 32 3/4 in, Rough Opening Shape Square, Fits Fan Diameter 30 in, Free Area 4.8 sq ft, Overall Width 32 3/4 in, Frame Material Thickness 0.1 ga, Frame Depth 1 5/8 in, Rough Opening Length 31 in, Maximum Pressure 1 in wc, Rough Opening Width 31 in, Blade Material Aluminum, Single Acting/Double Acting Single Acting, Closure Type Spring, Flange Width 1 3/8 in

Ratings & Reviews

3 Reasons You Can Count On Us

  • Supplies for every job.

    Supplies for every job.

    10 million items and the exact one you need.

  • When you need it fast, count on Zoro!

    When you need it fast, count on Zoro!

    2 million products ship in 1 day.

  • Stretch your budget further.

    Stretch your budget further.

    Everyday low prices on the brands you love.

Explore More Products