Potential issues with PEX plumbing and copper manifolds?

Profile picture for SoCal_Engr
Has anyone had experience with issues where PEX plumbing is used with copper manifolds? Especially on the hot side.
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October 30 2011 - US
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Answers (2)

Profile picture for Toan Nguyen
Research has shown that PEX not only has potential health hazards for the end users, as the Drafted Environmental Impact Report has shown, but also fails after a few years in use.  These failures have occurred nationwide and have resulted in numerous class action lawsuits...

Those are not my words, they are from this report.
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December 07 2011
Profile picture for sunnyview
I have a tiny tie in of PEX to the copper lines for the water heater and for one out side hose bib that was rerouted. There have been no problems in about 3 years, but I still eye the tie suspiciously. Secretly since the areas are so small, I wish I had kept it all copper.
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October 31 2011
 

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