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Pump speed setting for indirect with Taco variable speed pump?

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cwilliams2000
cwilliams2000 Member Posts: 140
in THE MAIN WALL
What setting is best for an indirect DHW tank plumber just a few feet from the boiler. I am thinking Low since its so close but since this, maybe different than a regular heating application I wondered what your thoughts are on this? I searched but never really found an answer. Thank you

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  • JStar
    JStar Member Posts: 2,752
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    What model tank? What size boiler? What size piping?
  • Jamie Hall
    Jamie Hall Member Posts: 23,445
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    It depends entirely on how much water you want to move through the tank -- which in turn depends on how much delta T you want in that circulation and the heat transfer characteristic of the indirect. Short answer? Need more information!
    Br. Jamie, osb
    Building superintendent/caretaker, 7200 sq. ft. historic house museum with dependencies in New England
  • cwilliams2000
    cwilliams2000 Member Posts: 140
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    Its a Superstor by HTP 60 Gallon and the piping is 1" Boiler is a Peerless WBV with a 1.1gph nozzle
  • Ironman
    Ironman Member Posts: 7,379
    edited November 2014
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    We'll need the pump model also. How is it piped? Good pics always help.
    Bob Boan
    You can choose to do what you want, but you cannot choose the consequences.
  • icesailor
    icesailor Member Posts: 7,265
    edited November 2014
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    Short Shade Tree answer? In your case, start it set on #2. If it is fine and you don't run out of hot water, try #1. If you run out of hot water, go back to #2. If you run out of hot water on #2, go to #3. If you run out of hot water on #3, either learn to live with it or get a bigger input boiler.

    Another way of asking would be: How far do I have to push the gas pedal on my car down to go 60 MPH?

    # 2 or #1 will be fine.

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