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Aquapex and Hepex

Plumdog_2
Plumdog_2 Member Posts: 873
in THE MAIN WALL
Does Aquapex really not have an Oxygen Barrier, or is it just the approval and marking stripe? Just curious.

Comments

  • kcopp
    kcopp Member Posts: 4,462
    No O2 barrier.

    Only the HePex has it. I have seen what happens when it is installed in a radiant application... not pretty.
  • Plumdog_2
    Plumdog_2 Member Posts: 873
    Along these same Lines

    Several times, I have isolated non-barrier radiant systems from Iron-Steel boilers and components with plate heat exchangers and all non-ferrous on the non-barrier side. Does anyone have a good method for flushing/treating they would be willing to share? Once the rust gets severe, it kinda hangs around. Some kind of cleaner (that works) would be great if anybody knows?!
  • kcopp
    kcopp Member Posts: 4,462
    Just had to...

    clean a system that had heat-way onyx tubing.... supposed barrier but not. Flushed out system w/ lots of water, added Rohmar 9100. System will run for a few weeks then I will flush out w/ water again and add the 922.

    http://www.rhomarwater.com/products/residential-hydronic-radiant/



    Unfortunately the circulators were toast.
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