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expansion formula

bottomheater
bottomheater Member Posts: 8
in THE MAIN WALL
any one have the formula for figuring expansion tank size? It appeared once in John s.'s column, but I'm filing challenged, and now I've got to keep a run amok engineer from savaging a 2.8 million btu system and beat him to find a solution and stay within HUD limits. 'd be obliged.Tnaks

Comments

  • Alan R. Mercurio
    Alan R. Mercurio Member Posts: 588


    Just head to the site below. when you get there click on professional installer then click on product sizing.

    Amtrol

    Hope this helps.

    Your friend in the industry,

    Alan R. Mercurio

    Oil Tech Talk
  • bottomheater
    bottomheater Member Posts: 8
    expansion formula

    its the math im after, not a select a tank format. its for argumentative purposes. thanks the same
  • Alan R. Mercurio
    Alan R. Mercurio Member Posts: 588
    Ok

    May be this will help? :)

    Expansion Tanks

    Your friend in the industry,

    Alan R. Mercurio

    Oil Tech Talk
  • bottomheater
    bottomheater Member Posts: 8
    where is John Siegethalers math when you need it

    no,Mike E.'s article did get past the thirteenth fl, where the modular boilers are @2.8 million btu, some engineer says my BIG 125 gal ASME bladder tank is not enough,didnt show his calc, doesnt know system volume( lots of 3to 3/4 pipe in walls)and I want to throw F=(y/z)x ? at him.
  • Greg Gurecki
    Greg Gurecki Member Posts: 22


    I was told by the Bell and Gossett guys years ago
    BTU x .02 divided by temp example 135,000 btu x .02=2700
    then divided by 180 deg water temp = 15 gal tank
  • DanHolohan
    DanHolohan Member, Moderator, Administrator Posts: 16,610
    I have it


    Retired and loving it.
  • DanHolohan
    DanHolohan Member, Moderator, Administrator Posts: 16,610
    I have it

    Retired and loving it.
  • bottomheater
    bottomheater Member Posts: 8
    kudos

    bless you Dan and your incredible creation. its just a matter of phrasing it right.
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