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  1. EForest New Member

    joined: Dec 8, 2007
    170 posts
    CT.
    does anyone here know if its important to use oxygen barrier pex (vs non barrier) for heat pipes?
    #1

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  2. Eric Johnson Minister of Fire

    joined: Nov 18, 2005
    5,703 posts
    Central NYS
    Recommendations on that vary, but the general consensus seems to be yes. In any event it's better to be on the safe side and won't cost you that much more.
  3. slowzuki Feeling the Heat

    joined: Feb 1, 2007
    477 posts
    New Brunswick, Canada
    In a closed system yes, in an open system no.
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