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Help P43 install (pt2)

Post in 'The Pellet Mill - Pellet and Multifuel Stoves' started by P43pig, Nov 12, 2013.

  1. P43pig

    P43pig New Member

    Joined:
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    Loc:
    MA
    I'm doing a corner install. If I 45 out of the stove thru the wall the stove has to stick way the hell out in order to get 12" of clearance from the inside corner that is outside the room. ..hopefully that makes sense. I want to push the stove into the corner more but in order to do that I would have to move the thimble (harman direct vent kit) over a stud bay which forces me to use (2) 90s...not a big deal but the harman is pretty vague in the book on how many is acceptable.
    So here is my venting if I push the stove to were I want it:
    Duravent Pelletvent pro 3"
    Out of stove...horizontal...
    Appliance adapter
    45
    90
    12"
    90
    12"...thru the wall outside...
    Clean out Tee...vertical to
    18"
    90
    Horizontal cap

    Sound ok???
    I still have room to get behind the stove if need be. I could eliminate the tee and run the horz cap and then to clean just remove the cap...but I have an inside corner outside and figured I'd run the tee with a short vert to help cut soot down, if any.
    I'm just worried about the 90s...too close?? Ash catchers?? PIA to clean?? Restriction?? ...???

    Best way to get a stove in the corner without going vertical?

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  2. briansol

    briansol Minister of Fire

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    The general rule of thumb is to avoid as many bends as you can. I got lost trying to follow your bends... lol
    I don't think anyone here regrets having some space to work on their stove, and most wish they had more.
  3. P38X2

    P38X2 Minister of Fire

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    Get yourself a set of heat shields. 9” clearance :)

    How bout putting all of your rise outside? Eliminates 2 90's and looks cleaner inside.
  4. P43pig

    P43pig New Member

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    MA
    manual says you don't need heats...I think I'm at 10.5" where they say 9" in the pic

    ...can't exit the wall with the stove pushed in the corner that far, the vent will be too close to the inside corner.

    Attached Files:

  5. P43pig

    P43pig New Member

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    ...and here is a stupid question....why did Harman make there vent kit with a 3" OD oak when their stove is 2 5/8"?
  6. MtDew

    MtDew Member

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    Vent straight up thru the roof.
  7. P38X2

    P38X2 Minister of Fire

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    Oh, I see. I hastily read the first post (at work;)) So you have an inside corner, outside. Tough situation. Can you put the thimble up higher and over in the next bay? Say 3' off the floor...then "hide" the thimble with a plant or something? Once you get through the wall, put a 45, an 18" and the cap. All your rise would be inside and may be enough to overcome the bends.

    I apologize if I'm not understanding you correctly.. which I think I'm not. Are you saying move the thimble over a bay AWAY from the corner?
  8. briansol

    briansol Minister of Fire

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    no.

    illegal.
  9. mikkeeh

    mikkeeh Burning Hunk

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    I had my local muffler shop make me an adaptor from 2 5/8 to 3". Makes life easier. Cost $7. Harman sells and adaptor for some stupid price like $50.
  10. MtDew

    MtDew Member

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    why is it illegal? I've seen many installs that way.
  11. MtDew

    MtDew Member

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    Like this picture. Why would having your exhaust vent up thru your ceiling and out the roof be illegal?

    Attached Files:

  12. P43pig

    P43pig New Member

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    I think I came up with a hybrid of your idea that will work. Although it doesn't push the stove to its min clearances it's better than running a 45 then straight out. It's a little hard to explain but if I run out of the stove:
    Appliance adp>90>45...then I can rotate the adapter down until the 45's face is parallel with the wall...then it's straight out. See pic and see if it makes sense. I think it will be ok tho

    Attached Files:

  13. P38X2

    P38X2 Minister of Fire

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    Looks like it'll work to me. Having the stove tucked tightly into a corner is very nice, and necessary in my situation, but working on it is a PITA. I think you'll appreciate having a bit of extra space.
  14. P43pig

    P43pig New Member

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    It's a Harman...I don't plan on having to work on it :)
  15. P38X2

    P38X2 Minister of Fire

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    Two words. Fines box ;) Other than that, all should be well.
  16. gfreek

    gfreek Minister of Fire

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    Give yourself room for service and maintenance
  17. MtDew

    MtDew Member

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    Just make sure you don't break the internal seal of the 45 if you rotate. I messed up the silicone seal inside a 90 once and it smoked the room out.
  18. P43pig

    P43pig New Member

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    That's this (see pic) box on a p43...right? It's on the opposite side of my vents so no prob as far as access.

    Attached Files:

  19. MtDew

    MtDew Member

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    yup that's the fines box.
  20. briansol

    briansol Minister of Fire

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    "My Ferarri never needs service"

    said no one ever.
  21. Lousyweather

    Lousyweather Guest

    Looks to me like your EVL is somewhat north of 15'. which would necessitate 4" pipe. Duravent? ugh
  22. Lousyweather

    Lousyweather Guest

    because in the near future, they (the stoves) will all be 3" on the stove as well.......3" flexi is much easier to obtain than the old 2-3/8"
  23. Lousyweather

    Lousyweather Guest

    no, I dont think so. That being said, I dont like roof installs, as it adds more possible ussues to the install.....compromising the roof envelope for one, another being folks simply wont clean the pipe......
  24. briansol

    briansol Minister of Fire

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    As shown, that would never pass code here. a pipe can go through the roof, but not inside through a floor like that as well. 1 structure hit point only. your area my vary.
  25. MtDew

    MtDew Member

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    Perfectly legal here, using the proper installation kits.

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