641FAFresh Air Inlet Wall Cap for 6" Round 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 size showing on the surface is 9" square with a 5-1/2" hood and a 1-1/4" long attachment collar for 6" round ductwork (NOT for use with dryer venting)
    • Designed for use with make-up air inlet applications (no backdraft damper)
    • Wall cap is made of 22 gauge CRCQ steel construction with a .025 natural aluminum finish for durability and long life
    • Sold as 1 to a carton
  • Rated 5 out of 5 by 2 reviewers.
    Rated 5 out of 5 by Good design I like this product. Easy to install. ............. February 6, 2014
    Rated 5 out of 5 by Fresh Air Intake I installed six of these as fresh air intakes in a large crawlspace with a powered exhaust fan. They work just as I had hoped and are of good quality. I would definitely buy them again. July 7, 2012
    • 2016-05-29 T13:05:47.640-05:00
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  • (5 Questions : 7 Answers)

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    Age: 45-54
    Gender: Male
    2 years, 4 months ago
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    Robert
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    Answer: 
    The 641 and 641FA both have a mesh bird screen. The is intended for exhaust so it also has a damper. The 641FA is intended for fresh air intake so has NO damper. The answer from Broan Customer Service was not exactly correct.
    2 years, 1 month ago
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    Answer: 
    Thank you for your question on the model 641FA wall cap. The 641 has a built-in backdraft damper and bird screen.
    2 years, 4 months ago
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    Answer: 
    The 641 and 641FA both have a mesh bird screen. The 641 is intended for exhaust so it also has a damper. The 641FA is intended for fresh air intake so has NO damper. The answer from Broan Customer Service was not exactly correct.
    2 years, 1 month ago
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    The diameter looks the same or just slightly smaller than rigid 6 inch duct, but not small enough for the duct to fit over it. Is it better to crimp the duct or the wall cap to make them mate?
    Age: 35-44
    Gender: Male
    2 years, 1 month ago
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    Steve Dundorf
    Boulder, CO, USA
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    Answer: 
    Thank you for your question on the model number 641FA wall cap. The collar on the 641FA should fit into six inch rigid duct work. If you find that you need to crimp the duct work or the wall cap, we would suggest crimping the duct work.
    2 years, 1 month ago
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    The QTX series bathroom fan I installed has a back-draft damper in the plastic transition piece to the round duct. Can I use the inlet cap to exhaust my fan through the wall?
    Age: 55-64
    Gender: Male
    6 months ago
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    Tom
    Plainsboro Township, NJ, USA
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    Answer: 
    Thank you for your question on the model 641FA fresh air inlet wall cap. The 641FA is designed to work with six inch duct work in a make-up air inlet application. It is not designed for exhausting air. Please contact the Technical Service Department at 800-637-1453 for further assistance.
    6 months ago
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    2 months, 3 weeks ago
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    Luke
    Chicago, IL, USA
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    Answer: 
    Thank you for your question on the model 641FA wall cap. The bird screen for the 641FA is not available as a parts item.
    2 months, 3 weeks ago
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    What is the difference in 641 and 641FA

    What is the difference in 641 and 641FA
    Age: 35-44
    Gender: Male
    2 months ago
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    Alex81
    TX
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    Answer: 
    Thank you for your question on the model 641 and 641FA wall cap. The 641 is designed for use as an exhaust wall cap and used with six inch ducting. The 641FA is designed as an inlet wall cap designed for six inch ducting where you are bringing make-up air back into the house. Please contact the Technical Service Department at 800-637-1453 if you need further assistance.
    2 months ago
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    • 2016-05-29 T13:05:52.393-05:00
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    • 2016-05-29 T13:05:52.396-05:00
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