Question about GE ZV750SY Kitchen Hood

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GE Monogram Overhead Hood is drippiong water

It is -30C outside and the overhead hood is dripping water when I turn it on. This is a brand new house and a new hood what can be causing it to drip.

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  • nici
    nici Feb 11, 2015

    Well finally I decided to try to cut the extra pipe outside the roof and keep only the insulated part in the roof plus just the "reverse J" outside (the exhaust) . I works. No more condensation dripping. You should not have more than a few inches uninsulated in a vertical pipe

  • nici
    nici Feb 11, 2015

    it works should I have written

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I have the same problems with my vertical hood duct. Condensation si causing the humidity of the room that slowly escapes to condensate and come back down. I insulated with rigid polystyrene foam to R-7 but it is not enough yet. I think I'll need to make it go horizontal as soon as it goes in the roof and the condensation should be on a down slope to the outside

Posted on Dec 05, 2014

  • nici
    nici Feb 11, 2015

    Well after insultain the pipe in the roof, I cut the extra pipe that was insulated outside the roof and the problem stoped.

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The hood pipe vents through the roof. Either the shingles around the pipe, or the rubber flange the pipe goes through is allowing water to enter and run down the pipe.

Someone will have to go on the roof with a tube of roof cement and look for a void in the flange or the shingles. For sure I would run a bead of roof cement around the pipe where it goes through the flange.

Posted on Feb 10, 2009

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