611CMRoof Cap, For Flat Roof, Aluminum, Up to 8" Round Duct

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  • Aluminum Roof Cap for curb mount roofs; for up to 8" round duct.
    • For flat roof installation
    • For up to 8" round duct
    • Aluminum natural Finish
    • For curb mount installation
  • I am looking for a 7" dia vent roof cap for a 8/12 pitch roof, the fan will generate 1100CFM. is the 611 available for a pitch roof?

    Asked by: Anonymous
    Thank you for your question on the model 611CM. We would not recommend using a 7" round duct size with an 1100 cfm blower. For an 1100 cfm blower, we would recommend using a 10" duct size. Our model 437, 10" round roof cap would be the appropriate roof cap for your application and pitch. Please contact Technical Support should you have further questions at 800-637-1453.
    Answered by: BroanCustomerService
    Date published: 2016-09-22
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