Super insulated PEX

I am thinking of running hot and cold water to my shed, for use in the summer. I remember a TOH episode where they had some sort of PEX superinsulated in a flexible 4 inch drain surrounded by foam insulation. Anyone know about this?
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wrote:

Thermo PEX?
http://www.thermopex.com/?src=googletp
-- Oren
..through the use of electrical or duct tape, achieve the configuration in the photo..
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Greetings,
Unless there is something I don't understand .... I am afraid you don't understand. THIS INSULATION WILL NOT PREVENT THE WATER IN THE PIPE FROM FREEZING. It is intended to keep hot water from becoming cold as it travels. Just like insulation in a freezer won't keep what's inside from thawing if you unplug it, if the water sits it will freeze.
You have a few options: a) Make sure the pipe is below the frost line. (normally the best option - about 3 feet down in most areas) b) Install an easy way to drain the pipe when it is cold outside. c) Install a circulator so that water circulates from the shed back to the house where it can pick up heat to keep from freezing. d) Install pipe that can safely freeze (you won't be able to use the water when it freezes up). e) Use electricity (somehow) along the length of the pipe to keep it from freezing
Hope this helps, William Deans
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I would assume that the OP was cutting off the water to the shed when it's not during the summer and that they just didnt' want the hot water to cool off on it's way to the shed during the summer. If they want freeze protection that they want, then I'd recommend heat tracing.
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On May 7, 9:25�am, snipped-for-privacy@gmail.com wrote:

you have it right, the shed is about 50 feet, dont want the hot water cold when it arrives........
in the winter water will be off and lines blown down, since I dont want to to go below the frost line, too much digging. the thermal pex looks good if its or potable water..........
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