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Date:         Mon, 18 Jun 2012 11:49:43 -0700
Reply-To:     Phil Zimmerman <philzimm1@SHAW.CA>
Sender:       Vanagon Mailing List <vanagon@gerry.vanagon.com>
From:         Phil Zimmerman <philzimm1@SHAW.CA>
Subject:      Re: Long coolant pipes alternative.....
Content-Type: text/plain; charset=iso-8859-1


Date:   Sun, 17 Jun 2012 17:01:11 -0400


Would this work :


http://www.watts.com/pages/_products_details.asp?pid=6761


Two hundred degree maximum operating.


One might be able to eliminate a few rubber hoses by clamping directly to distribution nipples.
-----------


Hi Ken,


The 200ºF rating is probably for a max continuous temperature...
Meaning, a spike in coolant temperature to 220ºF for awhile will not mystically melt the PEX..


What will destroy PEX Tubing are UV rays....
Would require a UV protective wrapping/cover...
Reading the building code specifications for PEX: even short exposure to UV Rays from sunlight
on a job-site are to be avoided. 


Given PEX's marginal temperature rating and zero tolerance for UV rays, not a good alternative to
the aging PVC of the OEM plastic pipes... 


Good hunting...


Pz
on a rock off the West-Coast of Cannuckistan
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