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Backdraft Damper 24" - 411-STD 24

Backdraft Damper 24" - 411-STD 24

Item #: WBB771536

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Price: $76.95

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Backdraft Dampers are non-flanged horizontal mount exhaust backdraft damper. The frame is galvanized steel with aluminum blades. The blades have a felt seal on the leading edge for quiet closing and better protection from the weather. Spring assisted to allow the blades to open quickly. Ideal for use in roof curbs, ductwork, or wall collars when using a fan or power roof ventilator. Recommended for horizontal mount exhaust applications.

MADE IN THE USA

Weights & Dimensions

  • Depth 2 in
  • Max Pressure In W.G. 1 in
  • Rough Opening 24 x 24 in
  • Width 23-3/4 in
  • Diameter 24 in
  • Max Velocity 2000 ft/min
  • Height 23-3/4 in
  • Free Area 3.26 ft³
  • Weight 6 lbs

Product Details

  • Number of Panels 1
  • Mounting Location Horizontal
  • Type Backdraft
  • For Use With Power Roof Ventilators
  • Brand Air Conditioning Products
  • Material Aluminum/Galvanized Steel
  • Manufacturers Part Number 411-STD 24

Warranty

  • Warranty 1 yr
Customer Review

5.0

  • 5 Star

    1
  • 4 Star

    0
  • 3 Star

    0
  • 2 Star

    0
  • 1 Star

    0

Most Recent Reviews

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  • Reviewer: Anonymous

    Date: May 01, 2014

    24" Backdraft Damper
    Your review:
    Excellent Product. Works perfect...so good we found reasons to get another one.
Product Q & A

There are 1 questions and 1 answer for this product.

  • What is the maximum pressure these are designed to withstand?

    Question Asked By: Will Anderson, October 28, 2019

    Answer This Question

    Question Answered By:

    • Product Expert, October 30, 2019

      Hello, 1" w.g. is the maximum pressure. Thank you for your question.

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Backdraft Damper 24" - 411-STD 24

Backdraft Damper 24" - 411-STD 24

Item #: WBB771536

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