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Plastic modular manifolds

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S Ebels
S Ebels Member Posts: 2,322
in THE MAIN WALL
The ones I have used were made by RTI, or at least distributed by them. So far I have had few "issues" with them. Getting the male NPT adapter to seal up leak tight against a copper or steel fitting can be a challenge but once accomplished they hold.

Do I still use them? No. I just don't like to take chances and the tried and true brass and copper units have never failed me.

JMHO

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  • Jason Horner
    Jason Horner Member Posts: 58
    Plastic modular manifolds for hydronic use


    I'm getting more intrigued about the plastic modular manifolds on the market these days.

    http://www.heatlink.com/us/SL3.htm is one example of a modular system that links together port-by-port.

    Another one is on page 24 of http://www.vanguardpipe.com/pdfs/hrh install 04.pdf


    Any thoughts on the value and long-term reliability of these manifolds?
    - are they prone to leakage?
    - do they represent good value of the money in terms of reduced install time?
    - do you have callbacks for problems with these?
    - how do homeowners perceive them?
    - what do you perceive their biggest plus/minuses to be?

    Thanks for your thoughts.
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