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can hopper catch on fire

Post in 'The Pellet Mill - Pellet and Multifuel Stoves' started by kserr, Nov 22, 2008.

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  1. kserr

    kserr Member

    Joined:
    Oct 23, 2008
    Messages:
    70
    Loc:
    western Ma
    Hi all

    We are new users of a ST Croix EXP we are pleased with the stove but one thing that troubles us is that the flame sometimes looks like its trying to go up the pellet shoot. We are afraid that it could reach the hopper full of pellets and cause a fire. Can this happen? As soon as the pellets come down it straightens out the flame seems to happen more on low settings. Any info would be greatly appreciated.

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  2. webbie

    webbie Seasoned Moderator Staff Member

    Joined:
    Nov 17, 2005
    Messages:
    12,331
    Loc:
    Western Mass.
    The short answer....is that it IS possible. And it has happened...many a time.

    The better news is that this problem was more prevalent on early models of pellet stoves and that the newer designs and also the controls should limit the occurrences.

    Having a decent vertical run of pellet vent and a tight sealing hopper are two things which should help.

    Of course, also have a smoke detector, etc.

    Keep in mind that there is a relatively long auger (screw) which separates the firebox from the hopper....this screw fits fairly tight against the inner wall of the tube it travels in, so it is difficult for burning pellets or flame to span back into the auger.
  3. Xena

    Xena Minister of Fire

    Joined:
    Nov 30, 2005
    Messages:
    2,491
    Loc:
    South Shore MA
    My EXP does the same thing on #1, #1 lo and #1 hi.
    The pellets up in the hopper are far away from the flame so
    no worries.
  4. Jabberwocky

    Jabberwocky New Member

    Joined:
    Mar 31, 2007
    Messages:
    148
    Loc:
    Central Massachusetts
    Had a hopper fire on an ancient Thelin Parlor pellet ... no fun at all.
  5. oldgoalie

    oldgoalie Member

    Joined:
    Aug 10, 2008
    Messages:
    27
    Loc:
    Boyne City, MI
    I had a St. Croix Lancaster that I had 2 instances of hopper fires. I was using a poor brand of pellets though. They didn't burn well and backed up the feed shoot, which caused the fire in the hopper. Didn't realize the pellets were bad until that occurred (never had a problem burning corn). And it's not a pleasant experience!
  6. glassman

    glassman New Member

    Joined:
    Nov 7, 2008
    Messages:
    64
    Loc:
    northern lower michigan
    I just got a lennox winslow stove installed by a fireplace company, the hopper has been caulked all around the inside of the hopper with some type of fireproof caulk. Would it be a good idea to recaulk that area yearly? Or just look for loose caulk, and recaulk that part of the caulk joint? The stove is a 1 year old demo model by the way. Also while on the hopper fire subject, would it matter if the hopper is full, half full etc. for fire prevention? Sorry for questions, I have never had a pellet stove before. thanks in advance
  7. Lance1

    Lance1 Member

    Joined:
    Nov 12, 2008
    Messages:
    109
    opps, wrong thread
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