Damper, Backdraft

  • Item # 4HX75
  • My Part #
  • Mfr. Model # 4HX75
  • Catalog Page # 2934
  • UNSPSC # 40101504
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Web Price $52.78 / each
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  • Shipping Weight 3.2 lbs.
Country of Origin USA Country of Origin is subject to change.
Note: Product availability is real-time updated and adjusted continuously. The product will be reserved for you when you complete your order. More

Product Details

This model is a non-flanged horizontal mount exhaust backdraft damper. The blades have a felt seal on the leading edge for better protection from the weather, and are spring assisted to allow blades to open quickly. Ideal for use in roof curbs, duct work, or wall collars when using a fan or power roof ventilator. Recommended for horizontal mount exhaust applications but it is also available for vertical mount.

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Technical Specs

  • Item Backdraft Damper
  • Type Wall Mount, Supply
  • Damper Size (In.) 13 x 13
  • Overall Size (In.) 15-3/4 x 15-3/4
  • Flange Width (In.) 1-3/8
  • Max. Velocity (FPM) 2000
  • Construction Material 16-gauge Extruded Aluminum Frame, Aluminum Blades, Galvanized Steel Tie Rods and Stainless Steel Hardware
  • Use w/Dayton Ventilators 4HZ50, 4HZ51
  • Includes Felted Edges For Quiet Operation
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