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Pellet boiler up and running

Post in 'The Boiler Room - Wood Boilers and Furnaces' started by Mr._Graybeard, Nov 12, 2012.

  1. Mr._Graybeard

    Mr._Graybeard Member

    Joined:
    Apr 27, 2012
    Messages:
    148
    Loc:
    Southeast Wisconsin
    Hi folks, I'm a longtime lurker who made the leap this fall into the world of wood heating. My weapon of choice is a Harman PB105 pellet boiler. We kept our old heating unit, a cast iron Burnham oil boiler, as backup.

    So far we're thrilled with the unit. We had a little problem with over-pressurization but solved it with a larger expansion tank. I had a pro do the installation, BTW.

    boiler.JPG

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  2. Kevlar

    Kevlar Member

    Joined:
    Jun 16, 2008
    Messages:
    7
    Loc:
    Lakes Region NH
    Looks nice I like it, keep us posted how it works out for you.:)
  3. SmokeEater

    SmokeEater Feeling the Heat

    Joined:
    Feb 10, 2011
    Messages:
    318
    Loc:
    Northeastern NY
    Welcome aboard! From a little experience, you'll learn to really like that Harman boiler. It's very quiet, requires little maintenance, is very clean and pushes out lots of Btus. Mine seldom shuts down completely because I have it connected to a 100 gal buffer tank. So far, so good.
  4. Mr._Graybeard

    Mr._Graybeard Member

    Joined:
    Apr 27, 2012
    Messages:
    148
    Loc:
    Southeast Wisconsin
    Thanks for the welcome, guys. My system is set up so it pumps heated water through the cast iron Burnham boiler, SmokeEater, so it has some buffering of sorts. I'm in Wisconsin, so I imagine it'll be burning pretty steadily once winter sets in!
  5. SmokeEater

    SmokeEater Feeling the Heat

    Joined:
    Feb 10, 2011
    Messages:
    318
    Loc:
    Northeastern NY
    I'll include a few pics to show what I have done with the pellet boiler. In behind the Harman is a Liberty 30 that I bought off Craigslist for $350 and was only 7 years old. I use the Liberty for a backup to the PB. Both boilers feed into a Smart 100 Triangle Tube indirect water heater and are in parallel to one another. Both boilers can operate either singly or together and only heat the tank. A stainless Grundfos pumps the hot water through a 50 plate HX and a Taco 0012 pumps out to the radiant floor and to the upstairs. The two boilers can supply about 235,000 Btus to the tank if run together. The Smart is also the DHW supply.

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