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Pool heating

Snowmelt
Snowmelt Member Posts: 1,276
When doing a pool heater with a HE unit & a flat plate hex what kind of pump/ equipment do you use to bring the pool water to the hex?

Comments

  • Zman
    Zman Member Posts: 6,567
    Pool

    You normally see them piped in series with the filter. They just use the pool recirc pump to move the water.

    A flat plate HEX will have a fairly high head loss and is prone to gumming up.

    You might look at something like a Triangle Tube Maxi-flo.
    "If you can't explain it simply, you don't understand it well enough"
    Albert Einstein
  • Snowmelt
    Snowmelt Member Posts: 1,276
    What about

    These companies that advertise flate plate heat exchanger for pools, or am I better off getting what you said, something in a tube type product.
  • Mark Eatherton
    Mark Eatherton Member Posts: 5,837
    Caution...

    If the pool chlorination systems uses salt, your regular flat plate heat exchanger WILL turn into Swiss cheese in a year or less. Chloride stress cracking. Use a material that is compatible with sodium if it is present.



    ME
    It's not so much a case of "You got what you paid for", as it is a matter of "You DIDN'T get what you DIDN'T pay for, and you're NOT going to get what you thought you were in the way of comfort". Borrowed from Heatboy.
  • Snowmelt
    Snowmelt Member Posts: 1,276
    Poor

    I in the poor section of nj, so that would chlorine pool not salt.
  • SWEI
    SWEI Member Posts: 7,356
    edited July 2014
  • icesailor
    icesailor Member Posts: 7,265
    Salt:

    You mean like Sodium Hypochorite?

    (bleach)
  • hot_rod
    hot_rod Member Posts: 14,786
    surface area

    is what heat transfer is all about. Look at the flat plate pool HX also, you get a lot of heat exchange surface in a small HX. They can be built and sized for close approach and low pressure drop.



    Need to know what temperature you have on the A side, those tube and shell need pretty good delta T with small square footage surface area, to give you high output.
    Bob "hot rod" Rohr
    trainer for Caleffi NA
    Living the hydronic dream
  • Henry
    Henry Member Posts: 986
    Heat exchangers

    Brazed plate HE do not stand up for pool use. We have for over 10 years only used titanium tube and shell HE like this:

    http://www.aicheatexchangers.com/tw-line_titanium_heat_exchangers.html
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