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The Development of One-Pipe Hot Water Heating and the OS Fitting

HeatingHelp
HeatingHelp Administrator Posts: 635
edited May 2020 in THE MAIN WALL
The Development of One-Pipe Hot Water Heating and the OS Fitting

In this excerpt from his Classic Hydronics seminar, Dan Holohan teaches us about the roots of modern hot water heating.

Read the full story here


Comments

  • Henry
    Henry Member Posts: 998
    There is one very large building here that has this system. It is a U shaped 9 story large x manufacturing plant of Northern Electric. It had a central boiler room that fed 3 mains for each part of the U . Each main would run along the top ceiling and feed down.
  • DanHolohan
    DanHolohan Member, Moderator, Administrator Posts: 16,526
    Where is this, @Henry? Any pics? Thanks.
    Retired and loving it.