Broan 644 Aluminum Roof Cap for 3-1/4" x 10" up to 8" Round Ducting with Backdraft Damper

- Item #: BCI417822
$41.63
Originally $63.08, You Save 34%
Aluminum
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61 In Stock
Ships Tomorrow, October 2nd

Discontinued

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Roof Cap - Model 644

  • For 3 1/4" X 10" Or Up To 8" Round Duct
  • Built-In Backdraft Damper And Bird Screen
  • Aluminum Natural Finish

Additional Broan Links

Our SKU: Broan 644

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

*Denotes a finish or option that has been discontinued

Broan 644 Product Specifications

Specification Sheet
Installation Guide
Configuration Duct
Country Of Origin USA
Depth 18.75
Duct Diameter 8
Duct Size 3-1/4" x 10"
Function Roof Cap
Height 6.625
Material Aluminum
Product Weight 3
Width 14.5

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Broan 644 Reviews

Rated 5 out of 5 by from Good Product This aluminum vent is vast improvement over the steel Sears vent I installed 30 years ago, which started leaking in the midst of Hurricane Alex. The only problem would be the shipping: it arrived crinkled and bent.
Date published: 2010-08-18
Rated 5 out of 5 by from Good Product Ordered two Broan vent caps - one for a new vent and one to replace a similar unit that was damaged during a roof replacement. These function better than the old one ever did and the bird screen is a welcome feature. The only negative is that the noise of the damper closing is rather loud, but we will get used to it.
Date published: 2011-08-22
Rated 3 out of 5 by from Ok for the price Unit arrived bent up on several corners. This probably due to the fact that its made of very, very thin alum. Fortunately though, easy to bend back it's so thin. Live near the coast so needed alum since galvanized still would rust, but would have gotten a thicker gauge. Also, its opening was a generic, psuedo square shape obviously to fit many different sizes and shape ducts, but would have preferred a 7-8" round collar/opening for a tighter fit/connection. Otherwise works well.
Date published: 2012-09-15
  • Do they make this on 8" and 6" duct?

    A. The Broan 644 is for For 3 1/4" X 10" or 8" round duct.

  • Can I order the Broan 644 roof cap in aluminum with black finish?

    A. The Broan 634 is the same as the 644, but is black.

  • Do they make a comparable product that would fit a 7" round?

    A.

    The Broan 644 is for an 8" round, the product they carry for a 7" round is the Broan 647.

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