passive fresh air vent with damper
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  1. #1

    passive fresh air vent with damper

    Is anyone aware of a passive fresh air vent unit that has a damper inside which will allow outside make-up in but keep conditioned air from escaping? In other words, one that will only open when there is negative indoor air pressure?

  2. #2
    Join Date
    Mar 2007
    Location
    Sterling Heights, MI
    Posts
    140

    Combustion Air

    Field Controls (fieldcontrols.com) makes several products to make up air. Look under Contractor Products, Combustion Air and scroll down to Makeup Air System. The style you refer to is a MAS 4 or 6, meaning 4inch or 6inch., which will open under negative conditions. Look at their great information and new training area too!

  3. #3
    Join Date
    Jul 2006
    Location
    NW burbs of Detroit
    Posts
    6,058
    These are easy as pie

    http://www.skuttle.com/

  4. #4

    Post thanks

    thanks for the tip

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