AW-871604776

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Venting

Having the correct venting for your heating unit is important for the safety of your family.  Check our our venting options.  Call for additional assistance.

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  • flex liner

    4''x 25' Round 2-Ply Aluminum Flex Liner Sold by the Roll - Flex409

    National Chimney
    $365.89
    National Chimney’s 2-Ply 3003 aluminum liner can be used to vent Category I gas appliances with A.F.U.E. of 83% or lower. In many cases, especially when only water heaters are vented into masonry flues, the gas appliances are vented into oversized...
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