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chimney capacity

MIKE6
MIKE6 Member Posts: 102
in THE MAIN WALL
I need to know how many btus of nat gas can a masonary chimney handle.30' high clayed lined inside 6 3/4'' x 6 3/4''.Atmospheric burning appliances.Thanks
Mike

Comments

  • Weezbo
    Weezbo Member Posts: 6,232
    That Mike,is a Heck of a question.!

    may i ask one too? What are you intending to do with the btus?
  • Ken_8
    Ken_8 Member Posts: 1,640
    Looks like about

    216 MBTUH max according to my IFGC 2000 book

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  • MIKE6
    MIKE6 Member Posts: 102
    vent size

    Thanks Ken Thats about what I thought it was.It just seemed to be so low.Needed a second opinion.
  • MIKE6
    MIKE6 Member Posts: 102
    btus usage

    I found a chimney with 700,000 btus vented into the flue.I was asked to correct this problem.I'm dealing with a know it all general contractor.She knows just enough to get herself in trouble.I also told her 300,000 btu boiler for 4 radiators is overkill.But her plumber said it would be alright,yea just like the 700,000 btus in a chimney that can handle 216,000.Why do these people call me?
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