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Posted by HeatPro on May 26, 2006 at 22:00:39:
In Reply to: Re: pex for piping for hot water heating using radiators posted by Joe Brix on May 26, 2006 at 20:53:32:
Yes, firstly check that it is indeed pex. Pex takes its manufactured tube shape at 270F if kinked, that is its nature; but it is rated to take 180F at 100 psig for 50 years. It might even be hard to find pex rated at 200f as that would be the same tubing at 80 psig instead of 180f at 100 psig
http://www.vanguardpipe.com/paxtechdata.htm
http://www.radiantcompany.com/details/inspector.shtml
http://www.ppfahome.org/pex/faqpex.html
www.plasticpipe.org/pdf/pubs/notes/TN31-2004.pdf