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Types of PEX pipe

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HeatingHelp
HeatingHelp Administrator Posts: 654
edited April 2020 in THE MAIN WALL
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Types of PEX pipe

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  • Lucas_B
    Lucas_B Member Posts: 1
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    Would "Kitec" pipe be the PEX/Aluminum/PEX that you describe in your article? Kitec is known for the inner layer de-laminating from the aluminum and causing blisters and sometimes blockages in the pipe. I'm just wondering if these are the same products or if they are different.
  • Zman
    Zman Member Posts: 7,607
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    Lucas_B said:

    Would "Kitec" pipe be the PEX/Aluminum/PEX that you describe in your article? Kitec is known for the inner layer de-laminating from the aluminum and causing blisters and sometimes blockages in the pipe. I'm just wondering if these are the same products or if they are different.

    Kitec did make Pex-Al-Pex. It was subject to failures and is no longer made.
    "If you can't explain it simply, you don't understand it well enough"
    Albert Einstein
  • bob eck
    bob eck Member Posts: 930
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    How is the oxygen barrier put on regular pex tubing to make it radiant pex tubing?
    How does the water temperature effect the oxygen barrier? When running 160 to 180 F water temp through radiant pex pipe like going to baseboard or cast iron radiators compromise the barrier on radiant pex tubing thus letting oxygen molecules to get through the wall of the radiant pex tubing and get into the closed boiler system.
    I would say a product like Viega Fostapex (full size pex tubing with aluminum as the oxygen barrier) is a better pex tubing to be used on jobs where the water temp will be higher than using regular radiant pex tubing. Just my preference and Viega fostapex is a great product.