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Broan 843BL Black 6" Round Duct Black Wall Cap with Damper

Item #: BCI417835

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Black Tech Specs
79 In Stock
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Leaves the Warehouse Monday, October 12th
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Product Details for the Broan 843BL in Black

Wall Caps - Model 843Bl

  • For 6" Round Duct
  • Spring-Loaded Backdraft Damper And Bird Screen
  • Black Electrically-Bonded Epoxy Finish
  • Attachment Collar 1ΒΌ" Long
Additional Information
Our SKU: Broan 843BL

This product is listed under the following manufacturer number(s):

*Denotes a finish or option that has been discontinued

Broan 843BL Reviews

Rated 5 out of 5 by from Simple solution for venting! I use this wall cap and the black Broan roof caps regularly. They are well made, functional and are less conspicuous than the bright aluminum vents.
Date published: 2014-02-14
Rated 5 out of 5 by from Good Quality Finding a duct like this at the local vendor was just not feasible, as the items they sell are low quality craftsmanship with bad looks. This item from is well designed and looks great.
Date published: 2014-01-25
Rated 3 out of 5 by from Broan 843BL 6" Round Duct Black Wall Cap with Damp The quality is very good. It is extremely solid with a gasket around it for a tight seal when closed. Although, there is an area where air can get in when the damper is closed at the location of where the damper door is hinged to the box. I have not yet tried to put this vent unit on my house because of all the snow resulting in poor access to the house. I hope I will still be able to return it if it is the wrong size or if it does not fit. I will update this review at a later date once I have put it in place and have tried it.
Date published: 2013-03-28
Rated 5 out of 5 by from This is the best vent cap I could find anywhere! If you need to vent a six inch round duct through your wall, you probably won't find a better vent cap than this. Solid construction with a nice durable black finish makes this vent cap better than any others I looked at. A closing flap with a return spring, a bird screen, the black color, and a foam gasket are what sold me on this model, and for not much more cost than the inferrior thin gauge models at Home Depot or other home stores. I'm using this with a 450 CFM inline duct fan, but the spring mechanism for the closing flap is gentle enough to open with a more subtle fan flow rate as well. I did have to adjust the foam gasket a little bit to get a good seal, but most other vent cap options I have seen did not even have a seal at all. With four screw holes, this attached solidly to my home as well. The vent provided a nice snug fit into the hole in my wall I cut with a 6" hole saw. I'm using this to clear the steam from boiling a 10-gallon pot of liquid (for making beer) in my basement. The flap opens as soon as I turn on my fan and then shuts and holds itself closed when not using the fan. I also love that the bird screen keeps out birds and mice. If I had to buy one of these again, I'd get this same model.
Date published: 2013-01-07
Rated 4 out of 5 by from Exactly as ordered Needed a dark colored metal cap with a damper for a new bathroom vent. Local stores only carried white palstic versions. Venting Direct provided exactly what I needed. Timely delivery as well.
Date published: 2012-11-27
Rated 5 out of 5 by from Outstanding Duct Vent This unit is solid and well made, unlike the flimsy aluminum ones you may find at places like Home Depot or Lowes. And it only costs a little more but it is well worth it. The damper has a light spring that opens easily at low airflows and closes quietly and snugly, eliminating cold air return through the range hood.
Date published: 2012-11-27
Rated 5 out of 5 by from Great Service Product discription and service was great, Thank You !!!!!
Date published: 2012-09-25
Rated 5 out of 5 by from solid product The vent cap is well constructed and solid. The animal screen does pop out however. This should not be a problem with normal use. It did come out when I was installing it. Nice thick gauge metal and it appears the paint is baked on.
Date published: 2012-08-14
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1 Question from the Community
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Is there a 4 inch model available?

The Broan model 885BL is a 4" model.

Broan 843BL Technical Specs

Configuration Duct
Country Of Origin USA
Duct Diameter 6
Function Wall Cap
Gauge 24
Height 9
Material Steel
Product Weight 2
Projection 5.5
Width 9

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