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Old 11-26-2015, 04:23 PM   #1
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How do I fix this leak?

The fitting for the hot water under our sink is leaking slightly. I really don't want to pull the rv back to the dealer to fix it. Can someone explain how to do this?
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Old 11-26-2015, 04:30 PM   #2
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If the leak is between the stainless and the white plastic, you could try tightening them up a little.

If the leak is between the red PEX tubing and the white plastic, your screwed. That would require redoing the PEX fitting.
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Old 11-26-2015, 04:33 PM   #3
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The plumbing in your unit is not much different the the plumbing in your house. Do the same repairs to the fittings as you would do if you were home.
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Old 11-26-2015, 04:51 PM   #4
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Quote:
Originally Posted by waiter21 View Post
If the leak is between the stainless and the white plastic, you could try tightening them up a little.

If the leak is between the red PEX tubing and the white plastic, your screwed. That would require redoing the PEX fitting.
I think it is from the brass colored part where it connects to the white part. I tried turning the white part clockwise over the brass part.

The leak was super slow, so it'll be a while to see. If I get a wrench on the brass part, is that just to provide leverage for turning the white part?

Is there a washer in there?

If the pex has to be redone, can a standard plumber do that? Or do I have to call an RV guy?
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Old 11-26-2015, 04:52 PM   #5
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[QUOTE=caper;1044100]The plumbing in your unit is not much different the the plumbing in your house. Do the same repairs to the fittings as you would do if you were home.[/QUOTE

I would normally call a plumber. I'm trying to learn but unsure of how things work.
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Old 11-26-2015, 06:27 PM   #6
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It's a minor problem and you're on the right track. You can over-tighten pretty easily, so snug it up a little at a time and check for leaks often to note any change. If you think you are getting too tight with it, take it all apart and inspect for cracks in the fittings or tiny debris preventing a good seal. You shouldn't have to do this (and there is likely to be an uproar about it) but you could apply a little plumbing thread compound to the threads to seal a minor scratch in the threads.
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Old 11-26-2015, 07:25 PM   #7
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If the pex has to be redone, can a standard plumber do that? Or do I have to call an RV guy?
A plumber can do the job. You can also purchase Shark bite fittings that will repair pex fittings with out using clamps. They cast a bit more but are super easy to use. Just talk the the people in the plumbing department at your local hardware store. They will help you find the right product and also tell you how to use it.
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Old 11-26-2015, 08:00 PM   #8
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[QUOTE=episodic;1044108]I think it is from the brass colored part where it connects to the white part. I tried turning the white part clockwise over the brass part.

The leak was super slow, so it'll be a while to see. If I get a wrench on the brass part, is that just to provide leverage for turning the white part?
QUOTE]

I would try to unscrew the white piece off the brass fitting and wrap some plumber's tape around the threads. The brass piece probably has the threaded end. One of them will have threads. Hold the brass with a wrench and tighten the white end with your hand(if possible). As you tighten things back on, remember that piece is plastic and will only go so tight. If you go too far, be sure kids aren't around as they will learn new words. That dreaded crack sound is the worst sound you'll ever hear.
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Old 11-26-2015, 09:08 PM   #9
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If you hear that crack, you're gonna need one of these from Lowe's...1st pic. Then a tube cutter...2nd pic. And a PEX crimper...3rd pic. Probably won't be the last PEX repair but I suspect most tubing is all 1/2" in your RV. Then you can relocate drain valves to help justify the tools expense.
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Old 11-27-2015, 12:36 PM   #10
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use Teflon tape to help seal the threads anytime that you have a leak... cheap to buy, not messy and easy to use
check youtube videos on how to apply

good luck
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