Re: Re: Plastic Hot Water Pipe


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Posted by Vic Famous PlumbingSupply.com on December 09, 1997 at 21:35:19:

In Reply to: Re: Plastic Hot Water Pipe posted by Bill Conner on December 09, 1997 at 18:25:54:

The problem with PEX (in my opinion)is:

a) There are MANY PEX pipe manufacturers and MANY resin providers for PEX.
I am concerned that should there be a problem later it would be very difficult with some of these producers to hold them liable (unlike P.B. which had Shell as the ultimate company that was responsible).

b) U.V. is of even greater significance (concern) as some of the PEX mfrs now have a 30 day MAX in UV or the warranty is void.
Anyone see any PEX pipe (which is installed) that hasn't seen sunlight for a total of 30 days? Think about it sitting on a loading dock, in the suppliers warehouse (with skylight), on the plumbers truck and then installed waiting to be covered. 30 days in the sun and no warranty? Sorry but I'm worried!

c) It has been stated that PEX has been in use in Europe for decades.
Maybe, but not for drinking water. Only recircualtion hydronic systems.
What about chlorine? I'm concerned!

d) There are 3 methods of manufacturing of PEX. In otherwords the polyethylene resin is very dependent on the way it is manufactured and if everything isn't PERFECT....
I'm concerned!

E) Some have stated (see P&M magazine Dec. 97 issue) that PEX is like a Cadillac compared to Polybutylene as a Yugo.
I beg to differ. PEX has to be THICKER than P.B. and there is a reason. P.B. had Shell back it! What MAJOR corporation is backing ALL PEX?

I'm concerned that PEX might turn out to be a problematic product down the road and I'm not recommending it to anyone at this time.

Happy Holidays and happy plumbing,

Vic



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