Geothermal Closed Loop System

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  • fred1949
    Handyman
    • Jan 2005
    • 122

    #1

    Geothermal Closed Loop System

    I would like to know what is the preferd anti-freeze used in a Geothermal closed loop system?

    Thank you,
    Fred
  • HayZee518
    Deity
    • Jul 2004
    • 8747

    #2
    Propylene glycol

    Comment

    • fred1949
      Handyman
      • Jan 2005
      • 122

      #3
      Thank you HayZee.

      Fred

      Comment

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