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Glycol & Hard water

John G. Merritt
John G. Merritt Member Posts: 140
in THE MAIN WALL
Guys,

Is it a fact that Glycol and hard water (from well)
is corrosive to Hydronic (radiant) systems and affects the circulators,Zone valves, Heat exchangeer, etc?
What if there is a water softener, does it matter?

John

Comments

  • Duncan_2
    Duncan_2 Member Posts: 174
    Yes, it's possible.

    If you click on Hot Tech Topics on the big pipe at the left of the main screen, about nine topics down is a good discussion on antifreeze. They talk about water quality, too.
  • Duncan_2
    Duncan_2 Member Posts: 174
    Yes, it's possible.

    If you click on Hot Tech Topics on the big pipe at the left of the main screen, about nine topics down is a good discussion on antifreeze. It takes you to http://www.paloma@raypak.com/afreeze.htm
    They talk about water quality, too.

    Starting with a clean system and usin distilled, de-ionized water is the way to go. It's mildly corrosive, but it gets neutral pretty fast, especially if there's iron in your system.
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