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cat 4 boiler...

a Cat IV boiler into a chiney that was lined w/ a Stainless steel liner of appropriate size? Venting materials are usus. al27c stainless....kpc


  • Steve Ebels_3
    Steve Ebels_3 Member Posts: 1,291
    All codes

    All codes default or are subordinate to the manufacturers recommendations for venting from what I've seen. Check with the maker of the boiler and see what they say.

    Category 4 would dictate that the flue has to be sealed air tight under positive pressure and will need provision for a drain. Other than that clearances in an existing flue, which is now only serving as a chase, would probably not be an issue.
  • kevin coppinger_12
    kevin coppinger_12 Member Posts: 27

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