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Pellet pipe thru the roof?

Post in 'The Pellet Mill - Pellet and Multifuel Stoves' started by MCPO, Jun 26, 2008.

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  1. MCPO

    MCPO Minister of Fire

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    Can pellet pipe be used to go straight up and through the roof in leu of a chimney?
    John

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  2. gw2kpro

    gw2kpro New Member

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    Yes. You will need to maintain adequate clearances to combustibles (1" through the roof US, 3" canada) -- the pellet vent pipe manufacturers make a section that you can install that runs from your existing ceiling through the attic that accomplishes this.
  3. MCPO

    MCPO Minister of Fire

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    Thanks ,
    And does the rule of extending it 24" above the highest roof point within 10 ft ( chimney regulation ) apply to a pellet vent?
    Or being it is a postive flow that would resist any backdraft , it is exempt?
    Thanks again,
    John
  4. Shortstuff

    Shortstuff Feeling the Heat

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    Yes John, in MA you must provide the 24" above the roof as you said.

    Steve
  5. MCPO

    MCPO Minister of Fire

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    OK, so I assume vent pipe size would have to increase to 4" exceeding 15 ft length ?
    John
  6. gw2kpro

    gw2kpro New Member

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    Not quite. This should get you what you need.

    http://www.duravent.com/docs/instruct/L550_Oct07.pdf
  7. Shortstuff

    Shortstuff Feeling the Heat

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    John, here is a link to the Simpson Duravent installation file which may help answer some questions for you.

    Also, I am right in the middle of a complete install of my own free-standing pellet stove right now and my install includes a simple "T" with cleanout at the bottom out of the back of the stove and a straight 14' run vertically through the ceiling, attic and roof with 3" ventpipe. I can provide you with a lot of good information and assistance if you want to PM me.

    Steve
  8. gw2kpro

    gw2kpro New Member

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    My vent pipe is supposed to be here on 7/3. Installing an enviro mini (free standing, through the roof) on my second floor, first floor has my breckwell. Where did you get your pipe at?
  9. Shortstuff

    Shortstuff Feeling the Heat

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    Hi gw, I got my pipe (Simpson Duravent Pellet Vent Pro) from Franklin Fireplace where I bought my stove.

    Steve
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