639Wall Cap for 3-1/4" x 10" Duct for Range Hoods and Bath Ventilation Fans

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  • Maximize the air and sound performance of your Broan ventilation fan or range hood using one of our wide variety of ducting accessories.

    • Overall sizing is 12-3/4" wide x 5-5/8" high. Duct fitting protrudes 4-7/8" from back of cap to allow proper fit to the ductwork (NOT for use with dryer venting)
    • Equipped with a spring-loaded backdraft damper and bird screen to keep nests and small animals on the outside
    • Wall cap is made of 24 gauge CRCQ steel construction with a black electrically-bonded epoxy finish for durability and long life
    • Sold as 1 to a carton
  • Rated 4 out of 5 by 1 reviewer.
    Rated 4 out of 5 by Well made but duct too short Nice to find made in the USA quality. Duct is too short for 2x6 walls so plan on buying an extension piece of ducting if you have the bigger studs. May 8, 2015
    • 2015-06-29T08:21:11.478-05:00
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  • (3 Questions : 3 Answers)

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    wind noise?

    This wall cap works well but is there any way to keep the wind from rattling it? Thanks
    Age: Over 65
    Gender: Male
    1 year, 2 months ago
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    Archie
    Quincy, IL, USA
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    Answer: 
    Thank you for your question on the model 639 wall cap. The 639 has a spring operated damper and normally would not rattle in the wind. Please contact the Technical Service Department at 800-637-1453 for assistance.
    1 year, 2 months ago
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    I supposed I could spray paint it but that's another step. I can't believe anyone would want black.
    Age: 45-54
    Gender: Female
    2 months ago
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    PattyW
    New Bern, NC, USA
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    Answer: 
    Thank you for your question on the model 639 wall cap. The decision to make the 639 in black is a marketing decision. We do have a model 649 that has the same features as the 639 but has a natural aluminum finish.
    1 month, 4 weeks ago
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    Installation instructions show the cap mounted horizontally.
    Can I install the cap pointing down 45 degrees from horizontal?
    Age: 45-54
    Gender: Male
    6 months ago
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    David
    Arizona, USA
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    Answer: 
    Thank you for your question on the model 639 wall cap. The 639 is designed to be installed horizontally. Please contact the Technical Service Department at 800-637-1453 for further assistance.
    6 months ago
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    • 2015-06-29T08:21:57.167-05:00
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    • 2015-06-29T08:21:57.169-05:00
    • bvseo_lps, prod_bvqa, vn_prr_5.6
    • cp-1, bvpage1
    • co_hasquestionsanswers
    • loc_en_US, sid_72984c47-4e51-4d9c-9de1-71f569d95d01, prod, sort_default
    1 of 1