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Old 04-02-2017, 05:04 AM   #1
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Default Roadtrek leaks like a sieve

My 2001 Roadtrek is driving me nuts with leaky water pipes. EVERY PIPE CONNECTION on this van leaks.

What kind of pipes are these? (they are not PEX pipe... see comparison picture... slightly different diameter. Different system.

How do you tighten these connections? (See pictures of water connection area) It is impossible to get a wrench ... or even a hand in there?

What was Roadtrek thinking?
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Old 04-02-2017, 04:37 PM   #2
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Quote:
Originally Posted by gklugie View Post

What kind of pipes are these? (they are not PEX pipe... see comparison picture... slightly different diameter. Different system.

How do you tighten these connections? (See pictures of water connection area) It is impossible to get a wrench ... or even a hand in there?
Is there any branding on the tubing or connections?
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Old 04-02-2017, 04:39 PM   #3
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does not appear to be
branded
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Old 04-02-2017, 05:01 PM   #4
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A lot of older RVs had Polybutylene plumbing, but I thought that was gone before 2001. There were lots of trouble with leaks with that system as it was more brittle and very weak against freeze damage. Many people pull it all out and switch to PEX.
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Old 04-02-2017, 05:06 PM   #5
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Some information here:

Polybutylene Plumbing Lesson Learned - listen to the professionals

if that is what you have.
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Old 04-02-2017, 05:21 PM   #6
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I think I have identified it. I believe that the pipes are indeed PEX pipes. My confusion stems from the fact that my dealer sold me some incorrect gauge pipe. Still.... this is a very tight installation!!!!
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Old 04-02-2017, 06:38 PM   #7
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Quote:
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Still.... this is a very tight installation!!!!
And now a leaky one. Sounds like you should consider replacing (or at least budgeting) - gradually or all at once - with new PEX and connectors.
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