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Circulator Sizing

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David A. Bennett
David A. Bennett Member Posts: 2
in THE MAIN WALL
Can anyone help me out with sizing a circulator for a primary circuit in a primary/secondary piping system? The secondary systems are all zoned with circulators. Do I need to size for all the flow rates in every secondary circuit or just a portion of the flow?

Thanks for the help,

Dave Bennett

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  • David A. Bennett
    David A. Bennett Member Posts: 2
    Circulator Sizing

    Can anyone help me out with sizing a circulator for a primary circuit in a primary/secondary piping system? The secondary systems are all zoned with circulators. Do I need to size for all the flow rates in every secondary circuit or just a portion of the flow?

    Thanks for the help,

    Dave Bennett
  • DanHolohan
    DanHolohan Member, Moderator, Administrator Posts: 16,638
    You need to size

    for the total load, but at a temperature drop that's determined by the sum of what the secondary circuits will be doing.

    You might want to get this book:

    http://www.heatinghelp.com/shopcart/product.cfm?category=2-44
    Retired and loving it.
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