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Product selection from ATMOSPHERE

Atmosphere Back Draft Damper - 8-in

Article #330615961 Model #BDD8
This item is not currently available for immediate purchase, but can be ordered by visiting the selected store.
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Description

This 8-inch back draft damper by Atmosphere® is manufactured with galvanized steel and can be mounted directly in the ventilation duct to ease the installation. The two blades are opened by a spiral spring to prevent any malfunction. Furthermore, the dampers come with a gasket to insure a quiet and sealed operation.
  • Neoprene damper seal minimizes leakage
  • Requires from 0,04 to 0,08 inches wg pressure to open
  • Simple installation in any position - entire assambly inserts into duct

Product specifications

Automatic Shutter
Yes
Blade Material
Steel
Color/Finish Family
Silver
Fan Type
Single
Drive Type
Direct drive
Wall Switch Included
No
Warranty
1-year limited
Manufacturer Color/Finish
Silver
Housing Material
Steel
Series Name
Back Draft Damper
Thermal Overload Protection
No
Base Warranty Parts
1
Depth(in)
8
Fan Size(in)
8
Height(in)
3
Maximum Ventilated Area (sq. Feet)
100000
Rough Opening Height(in)
8
Rough Opening Width(in)
8
Width(in)
8
Maximum Cfm
1000

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Couple questions about this damper: is it a spring loaded butterfly-plates type? And is there a gasket that goes around its exterior circumference for a tight friction fit within the duct? Thanks.

Asked by: Waynerama

Is this available in 3 inch size? and will it work for a downward facing soffit vent??

Asked by: Steve1927
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Atmosphere Back Draft Damper - 8-in is rated 4.0 out of 5 by 4.
Rated 1 out of 5 by from Not worth the price Bought this damper to replace one that was broken in my kitchen exhaust duct. Total piece of junk. Flimsy sheet metal pathetic construction. Damper blades blew off within the fist hour and the airflow is not particularly high. Don't buy.
Date published: 2017-09-20
Rated 5 out of 5 by from Works perfectly The kitchen is noticeably warmer now that I have installed this dampener. It didn't take much effort other than some wire snips to trim the duct above the range hood to give this room to fit. Add some foil tape and you're in business. I can see that it opens when the fan is turned on and silently closes when the fan blades stop moving. Totally worth the money for the kitchen to no longer be cold.
Date published: 2017-02-07
Rated 5 out of 5 by from Very good quality Worked very well. No more cold air in our laundry.
Date published: 2017-01-04
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