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  1. #1
    Join Date
    Jun 2004
    Posts
    69
    Hi, I am installing a ceiling mount ventilator and need to compare what the static pressure is for 10" and 8" duct run. The duct line consists of two 90's and 15 ft. of straight non-flex duct.

    Thanks!

  2. #2
    Join Date
    Jul 2005
    Posts
    947
    Use your ductulator.

  3. #3
    Join Date
    Aug 2002
    Location
    Office and warehouse in both Crystal River & New Port Richey ,FL
    Posts
    18,836
    Static pressure would be relative to the cfms required .

  4. #4
    Join Date
    Mar 2005
    Location
    Suppy NC
    Posts
    4,516
    at .1 8in is about 250cfm and 10in is about 375 cfm
    this is off the top of my head with out a ductulator but should serve your needs

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