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Old 05-01-2019, 11:30 AM   #1
Skoolie
 
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Location: North Pole, AK
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Pex versus braided clear tubing

I'm in Alaska. Winters here typically stay around -20 fahrenheit, with an occasional cold snap of -40 to -50 fahrenheit. A local recommended I use braided clear tubing because it is less likely to burst in extreme cold than Pex. I'm not sure of the material of what he showed me, but I've seen it at local hardware stores. Thoughts?
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Old 05-01-2019, 11:55 AM   #2
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Braided nylon hose is an acceptable water supply line.

https://www.thespruce.com/flex-lines-2718729
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Old 05-01-2019, 12:38 PM   #3
Skoolie
 
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I haven't found anything online where folks advocate for braided clear tubing....

It sounds like the main problem with pex is not the line itself; it can expand so much that it doesn't burst. Instead, the problem is with the fittings and connectors that are not as freeze-resistant. And, of course, appliances (hot water heaters, shower heads, etc.).
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Old 05-01-2019, 02:55 PM   #4
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Contact mfg's of both and ask them---they'll know. Then tell us.
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Old 05-01-2019, 05:23 PM   #5
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Have you found anyone who advocates against it?
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Old 05-02-2019, 09:38 AM   #6
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I used about a foot of it on each side of my Sureflo water pump in my last bus.

It is much more flexible than PEX and it worked great to isolate the pump and reduce noise transmitted via the plumbing.

I did have one problem. I hooked up at an RV park in SLC and within a few minutes one piece of it "ballooned" and then burst. I went to the office to ask for directions to the hardware store for parts.

That's when I saw the sign: " Warning: you must use a pressure regulator as water pressure may exceed 85psi"
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