Share with us your alternative energy ideas and projects. Tell us about your experiments, no matter how far-fetched they may seem.
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My understanding is that Pex is for water supply and Pex al Pex is for radiant floor heat. From what I saw on the pex website P a P is a multi layer tube, more reistant to leaks, something I would want when it is run through concrete. Greg
"If I can't fix it, I can screw it up so bad no one else can either."