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Fun heating project

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MMCM1972
MMCM1972 Member Posts: 3
in Solar
I have an old shell and tube heat exchanger laying around, and am contemplating using it as a solar heater for my pool. I get plenty of sun, the bundle is a ubend, 2 pass, 30 tubes about 40 inches long...so a decent size. I'm thinking if I paint the shell Matt black to absorb more heat from the sun it would heat up the air in the shell around the tubes to get a few free degrees into the pool...what do you guys think?

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  • EBEBRATT-Ed
    EBEBRATT-Ed Member Posts: 15,523
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    Not enough surface area to work and the pool water will eat the heat exchanger
    CanuckerJohnNY
  • MMCM1972
    MMCM1972 Member Posts: 3
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    Saltwater? Copper tubes?
  • Larry Weingarten
    Larry Weingarten Member Posts: 3,293
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    Hello, The old rule of thumb is 75% of the surface area of the pool as unglazed collectors. So that needs to be a BIG heat exchanger!
    Yours, Larry
    Canucker
  • shanhaiwirefittings
    shanhaiwirefittings Member Posts: 1
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    best of luck for your fun heating project have a nice day

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