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  1. J

    Building heat exchanger insert

    Hello, this is my first post. Found this forum while searching around for advice on how air flows around the house and how inserts work etc. I have two main questions at this time. A little background. I like to build things as that's what I do. And Inserts are crazy expensive, so I built...
  2. S

    I need a consultation.....

    Hello, I bought a big boiler and have been learning and researching and wall hitting and backtracking for over a year now... I have pretty well settled on most of the elements and My Father in law and I are ready to get our copper put together. The supplier I purchased from has been very...