Backdraft Damper, Vert/Horiz Mtg, 29 3/4Sq MPN:3HHL8

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Brand: Dayton
Part #: 3HHL8
UPC: 190735289556
SKU
510-G0543803
Regular Price $215.31 Special Price $153.79

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Backdraft Damper, Vert/Horiz Mtg, 29 3/4Sq

The Dayton Backdraft Damper is a reliable solution for preventing backdrafts in commercial and industrial settings. Designed for square ducts with a nominal diameter of 30 inches, this damper features a sturdy aluminum construction and galvanized steel frame. With a maximum air velocity of 2000 fpm and a free area of 6 square feet, it ensures efficient airflow and minimizes energy loss. Ideal for use in fan applications, the damper is suitable for a variety of industries, including HVAC, manufacturing, and food processing. Its compact size and easy installation make it a convenient choice for ductwork upgrades and new construction projects.

Top product features:

  • Aluminum Backdraft Damper for controlling airflow and preventing backdrafts
  • Galvanized Steel frame for durability and resistance to corrosion
  • Maximum Air Velocity of 2000 fpm for efficient airflow management

Top product applications:

  • Backdraft
  • For Nominal Duct Diameter 30 in
  • For Duct Shape Square
29.75 In.H-W 4.5 In.L Aluminum Backdraft Dampr, Damper Application Backdraft, For Nominal Duct Diameter 30 in, Frame Material Galvanized Steel, Number of Panels 1, Maximum Air Velocity 2000 fpm, Overall Height 29 3/4 in, Rough Opening Diameter 30 in, Rough Opening Shape Square, Fits Fan Diameter 30 in, For Duct Shape Square, Free Area 6 sq ft, Overall Width 29 3/4 in, Frame Material Thickness 20 ga, Overall Length 4 1/2 in, Frame Depth 2 in, Rough Opening Length 30 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: 30.70
  • Package Width: 2.70
  • Package Height: 31.30
  • Package Weight: 7.86
Product info last updated on March 7, 2026 10:15am UTC Category: Ventilation
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