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b vent reline question

Post in 'It's a Gas!' started by rob bennett, Oct 25, 2009.

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  1. rob bennett

    rob bennett New Member

    Feb 19, 2008
    Lynden, Washington
    I just rebuilt my chimney. I have a 50 gal natural gas water heater in the basement. It used to be vented just in the terra cotta flue. That wrecked the flues of course. Now the chimney is about 15 feet of cotta flue then an open chimney the last 9 feet.

    So I am looking at relining with the duravent aluminum liner kit.

    Will I be ok code wise to just run the liner without insulation? I can't find it specifically listed in any literature.


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  2. As long as it's ran in a masonry chimney you are fine... Some would say line it with insulation but with gas it's not as important as your not running very high temps and their is no creosote.
  3. jtp10181

    jtp10181 Minister of Fire

    Feb 26, 2007
    Madison, WI
    Yeap with gas you are fine just with the alum liner no insulation. As long as it is in masonry all the way through the roof.
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