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Thread: flue / stack pics?

  1. #1
    Join Date
    Aug 2011
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    Central PA
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    Default flue / stack pics?

    I am ready to start boring holes in the roof for steam and flue. Anyone interested in showing some pics and ideas on how to do this right? I have read a good bit but would like some pics. Always was better at watching to get things done.

  2. #2
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    Apr 2016
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    Rutland, Vermont
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    Are you building a cupola? Hole for a smoke stack?
    CDL 2.5*8 Venturi with all the bells
    Leader Clear 5 bank filter press
    Memprotec 350H RO
    600ish taps and looking for more.

  3. #3
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    Aug 2011
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    I wasn't figuring on a cupula. Is there an advantage? Was hoping to keep it simple.

  4. #4
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    Jan 2006
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    Oneida NY
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    While you don't need a cupola for the system to function properly, a cupola SCREAMS MAPLE, it is just a traditional look.
    Dave Klish, I recently ordered a 2x6 wood fired evaporator from A&A Sheet Metal which I will be converting to oil fired
    Now have solar, 2x6 finish pan, 5 bank 7x7 filter press, large water jacketed bottler, and tankless water heater.
    Recently bought another Gingerich RO, this one was a 125, but a second membrane was added thus is a 250, like I had.
    After running a 2x3, a 2x6, 3x8 tapping from 79 taps up to 1320 all woodfired, now I'm going to a 2x6 oil fired and a 200-425 taps.

  5. #5
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    Dec 2015
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    Old Lyme, CT
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    Quote Originally Posted by cjf12 View Post
    I am ready to start boring holes in the roof for steam and flue. Anyone interested in showing some pics and ideas on how to do this right? I have read a good bit but would like some pics. Always was better at watching to get things done.
    Here's a photo of my flue stack. I cut a hole in the cupola roof:

    new stack inside.jpg

    Used double walled stove pipe were the pipe goes through the roof.

    Here what it looks like on the outside:

    new roof chimney.jpg

    The steam goes out the cupola side walls which I open during the sap season.

    Mark
    Mason 2x4 w/raised flue pan, 240 gal. sap tank, 80 Reds on 5/16 tubing and Lunchbox releaser/pump, 20 sugars on buckets

  6. #6
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    Apr 2016
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    Rutland, Vermont
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    If you don't have a cupola OR a steam hood your sugar house will be filled with steam. It's going to need a way to escape.
    CDL 2.5*8 Venturi with all the bells
    Leader Clear 5 bank filter press
    Memprotec 350H RO
    600ish taps and looking for more.

  7. #7
    Join Date
    Feb 2012
    Location
    Fond du Lac, Wisconsin
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    1,086

    Default

    The Smoky Lake concentric exhaust system takes care of both with one penetration through the roof.

  8. #8
    Join Date
    Aug 2011
    Location
    Central PA
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    Default

    Mspina. Thanks for the pics. What are the "ears" on the stack? Not at all being critical here. Does that meet your code? I may be way over thinking this. Was thinking i would still have to be "18 from combustible with double wall. How hot does that outside wall get?

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