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Premium 7 in. Back Draft Damper

$2500
  • Rust-resistant galvanized steel construction offers longevity
  • Fabric sleeve allows contaminated air to flow out of bathroom fan
  • 1-way valve prevents the entry of outdoor drafts
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Price:
$2500

Product Overview

Premium Back Draft Damper is installed into ductwork to prevent unwanted outdoor drafts from entering into your bathroom fan, kitchen fan, clothes dryer, etc. Ultimate one way air flow valve allows air to flow out but not back in. It does not rust or require any maintenance. Non-mechanical in-line one way air flow valve that requires minimal pressure to operate, has no moving parts. Sized slightly less than the internal diameter of the duct to slip easily into duct. Rubber gasket provide a friction fit and air-tight seal. Eliminates cold air back drafts in the winter saving heating loss. Eliminates hot air back drafts in the summer saving air conditioning loss. The damper consists of a specially formulated fabric sleeve attached to an outer metal sleeve. The fabric sleeve will allow air to pass through unrestricted in the desired direction of flow without reducing system efficiency. It is silent, produces no metal clanging sounds, tested to UL723 standards and can be installed in solid or flexible ductwork in any orientation. Installs easily - simply slide into duct. Specifically designed to stop back drafts from your clothes dryer, bathroom exhaust fan, kitchen fan, pellet stove, direct vent water heater and direct vent furnace. Available in 4 in., 5 in., 6 in., 7 in. and 8 in. sizes.
  • Prevent unwanted outdoor drafts from entering into your bathroom fan, kitchen fan, clothes dryer, etc.
  • 1-way air flow valve allows air to flow out but not back in
  • Eliminates cold air back drafts in the winter saving heating loss and hot air back drafts in the summer saving air conditioning loss
  • Can be installed in solid or flexible ductwork in any orientation
  • Installs easily - simply slide into duct
  • Fits inside of any 7 in. I.D. duct, rigid or flexible
  • Has no moving parts

Info & Guides

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Specifications

Dimensions

Product Depth (in.)
7
Product Height (in.)
9
Product Length (in.)
9
Product Width (in.)
7

Details

Duct Type
7" Round
Gauge
0
Insulated
No
Material
Galvanized Steel
Returnable
90-Day

Warranty / Certifications

Certifications and Listings
No Certifications or Listings

Questions & Answers

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Customer Reviews

  • 3.4
    out of 3 reviews
  • 50% recommend this product
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Showing 1-3 of 3 reviews
DIdn't install it, maintenance and function concerns
I liked that it is Made in USA and the concept but after receiving it, the product label says to replace or clean it once a year. This is not a practical thing to do in my application nor I would suspect in many kitchen venting situations. Nor does it visually suggest it would be particularly effective since the fabric does not close tightly and in fact has air gaps in a totally relaxed position. I don't like submitting negative reviews especially not this one but feel I must advise others.
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    2 people found this helpful
    5 Star Review
    Rating provided by a verified purchaser
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    • Verified Purchase
    I was very skeptical when I opened the box and saw that this was simply a length of duct with som...
    I was very skeptical when I opened the box and saw that this was simply a length of duct with some stiff material taped to the inside of it, but we installed it and it appears to keep the cold, outside air from coming in. Not sure why the price is high as it is based on the simplicity of the materials, however.
    by
    • Verified Purchase
    • Recommended
    1 person found this helpful
    Showing 1-3 of 3 reviews