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PF100 and PB105 Burn Pot Issues

Post in 'The Pellet Mill - Pellet and Multifuel Stoves' started by Skippydo, Nov 29, 2011.

  1. Ejectr

    Ejectr Minister of Fire

    Joined:
    Nov 1, 2009
    Messages:
    574
    Loc:
    Brimfield, MA
    How difficult is it to change the burn pot on a PF100? I don't know if I have a hard carbon build up on the right side ramp of the burn pot going down to the auger or a bubble. I'll have to get a mirror and flashlight in there to see. Furnace is under warrantee but my dealer is out of business. I may have an avenue to get a burn pot under warrantee, but I'd have to put it in myself.

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  2. Skippydo

    Skippydo New Member

    Joined:
    Sep 30, 2008
    Messages:
    139
    Loc:
    Butler, Pa
    Know what you mean by a carbon buildup on the right (and left) side of the burnpot.
    It is not the easiest to remove.
    The easiest way is when the pellets are hot, use a leather glove and a sharp ended
    screwdriver and scrape at a angle
    or
    after the fire is out, but still warm, also use a sharp screwdriver at an angle and scrape. Usually comes
    off in a big hunk.
    I then use my hands to feel the whole burn pot......when it is cool, naturally.
    Make sure when you clean out under the burn pot that you tap the top of the burn pot,
    a heck of a lot of debris will fall.
    Never removed my burnpot yet!! knock on wood!!
  3. exoilburner

    exoilburner Feeling the Heat

    Joined:
    Dec 23, 2008
    Messages:
    424
    Loc:
    NW Washington State
    Not difficult for someone with some home mech. repair experience.

    Shut power off to the furnace.

    Either disconnect the igniter wires (you can see the igniter wires in the picture) or unbolt the igniter and feed it thru the burnpot hole. The igniter wire connectors are located behind the lower cover under the pellet hopper.

    Remove the Fire Brick and it's mounting bracket.

    Remove the 4 nuts holding the burn-pot to the fire box. It's gasket is very fragile and should probably be replaced before reinstalling (it looks like fiberglass matting). The 4 studs that the burnpot is fastened with are anchored in the thin firebox metal so be careful to not over torque the nuts. The back 2 nuts are a bit difficult to get to and blind so you may need a socket with an extension and a u-joint or just a combination wrench.

    [​IMG]
  4. Ejectr

    Ejectr Minister of Fire

    Joined:
    Nov 1, 2009
    Messages:
    574
    Loc:
    Brimfield, MA
    Thanks. I'm going to get a better scraping tool and hopefully it is carbon. If not, your directions are very helpful.
  5. Skippydo

    Skippydo New Member

    Joined:
    Sep 30, 2008
    Messages:
    139
    Loc:
    Butler, Pa
    If it is not carbon, I owe you a beer!
  6. Ejectr

    Ejectr Minister of Fire

    Joined:
    Nov 1, 2009
    Messages:
    574
    Loc:
    Brimfield, MA
    I owe you a beer. Used a sharp screw driver and it was carbon build up. Burn pot is fine.
  7. Skippydo

    Skippydo New Member

    Joined:
    Sep 30, 2008
    Messages:
    139
    Loc:
    Butler, Pa
    I feel bad winning a sure thing!
    But thanks for the beer...
  8. wil lanfear

    wil lanfear Feeling the Heat

    Joined:
    May 10, 2008
    Messages:
    458
    Loc:
    vermont
    UPDATE: It has been nearly 3 months since the new designed burnpot was installed in my boiler. To date, this burnpot looks the same as when it was installed, no bubble issue at all. Prior to this burnpot, any that were replaced,after 2 weeks a small bubble could be seen forming. If you have a pb105 or a pf100 with the burnpot bubble issue, if you have the pressure ignition, talk to you're dealer about this burnpot. If you have the finned ignition, talk to you're dealer, telling them about the fix for the bubble issue, maybe changing to the pressure ignition with this burnpot, do it now before the warranty expires.

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