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Fun heating project

MMCM1972 Member Posts: 3
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?


    EBEBRATT-Ed Member Posts: 15,520
    Not enough surface area to work and the pool water will eat the heat exchanger
  • MMCM1972
    MMCM1972 Member Posts: 3
    Saltwater? Copper tubes?
  • Larry Weingarten
    Larry Weingarten Member Posts: 3,292
    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
  • shanhaiwirefittings
    best of luck for your fun heating project have a nice day