Backdraft Damper, Vert/Horiz Mtg, 7 3/4 Sq MPN:3HHL4
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Free Shipping
In Stock
SKU
510-G1070255
Backdraft Damper, Vert/Horiz Mtg, 7 3/4 Sq
The Dayton Backdraft Damper is a reliable solution for controlling backdrafts and maintaining a safe, healthy indoor environment. This aluminum damper features a galvanized steel frame and is designed for use in square ducts with a nominal diameter of 8 inches. Its compact size and low maximum pressure of 1 inch wc make it ideal for tight spaces and high-velocity applications. Perfect for commercial and residential HVAC systems, this damper helps prevent backdrafts, reduces energy costs, and increases system efficiency. Its durable construction and easy installation make it a valuable addition to any ductwork system.
Top product features:
- Aluminum construction provides durability and corrosion resistance
- Galvanized steel frame material offers added strength and stability
- Maximum air velocity of 2000 fpm allows for efficient airflow
Top product applications:
- Backdraft Damper, Vert/Horiz Mtg, 7 3/4 Sq from Dayton can be used as a Backdraft Damper
- Backdraft Damper, Vert/Horiz Mtg, 7 3/4 Sq from Dayton can be used in Application for Nominal Duct Diameter 8 in
- Backdraft Damper, Vert/Horiz Mtg, 7 3/4 Sq from Dayton can be used in Damper Application Backdraft
7.75 In.H-W 4.5 In.L Aluminum Backdraft Damper, Damper Application Backdraft, For Nominal Duct Diameter 8 in, Frame Material Galvanized Steel, Number of Panels 1, Maximum Air Velocity 2000 fpm, Overall Height 7 3/4 in, Rough Opening Diameter 8 in, Rough Opening Shape Square, Fits Fan Diameter 8 in, For Duct Shape Square, Free Area 0.3 sq ft, Overall Width 7 3/4 in, Frame Material Thickness 20 ga, Overall Length 4 1/2 in, Frame Depth 2 in, Rough Opening Length 8 in, Maximum Pressure 1 in wc
Additional Information
- Country of Origin: US
- Drop Ship Item: No
- Blind Ship Eligible: No
- LTL Freight Required: No
- Lead Time: Ships in 1 days
- Minimum Order Quantity: 1
- Unit of Measure: EA
- Package Length: 8.80
- Package Width: 2.90
- Package Height: 9.30
- Package Weight: 1.81
Product info last updated on January 24, 2026 1:44am UTC
Category: Ventilation