Leaking Pex Connection. Do I Need a Tool?

manyman297 · May 2024

During dewinterizing I noticed the pex connection leading to the Alde temp valve has a slight leak. I'm not super familiar with Pex but it looks like I'll need to replace and reinstall a new fitting, correct? Or is this something that could be tightened with a different tool? I guess it makes sense to have the tool on hand anyway? Any insight is appreciated.

Image: https://us.v-cdn.net/5021717/uploads/editor/3f/g2f529sipton.jpg

pthomas745 · May 2024

This has come up a couple of times in the last few days. The general consensus is the pex fastener on a PVC hose is inappropriate and a hose clamp would be better. (I know there is a post about this somewhere...). But, yes, there are pex tools for these clamp types.

pthomas745 · May 2024

Here is the thread with the discussion of a "pex clamp" on PVC hoses.

https://tab-rv.vanillacommunity.com/discussion/18164/water-pump-pex-choices

manyman297 · May 2024

@pthomas745 Thanks for the link! It sounds like a worm gear hose clamp would be preferred which is something I can handle. Just need to find the right diameter.

manyman297 · May 2024

Just saw this posted on FB Nucamp Owner’s Group. I ended up using a worm gear clamp and it appears to be working but I have no idea if this is the best fix vs. replacing the flex tubing with PEX. Unfortunately the video’s recommendation is to not buy a camper with flex tubing…too late

https://youtu.be/YPQ_aTOW5xw?si=wJHICzXwFNtzR_Wt

Basil48192 · May 2024

@manyman297.
I'm not sure how long it will last, but I've repaired two small leaks from this type of connection. I have a pair of pinch pliers in my toolbox and just tightened up the existing clamp. They are inexpensive and tend to fit in tight spaces. It's been 2 or 3 years since I repaired the first leak and, so far, it hasn't returned. The pliers shown below are in stock at the Lowes near me for about $15.

Image: https://us.v-cdn.net/5021717/uploads/editor/n9/2oys6ehjg230.jpg

manyman297 · May 2024

@Basil48192 Thanks for the info. I'll keep an eye on these worm clamps. Hopefully they do the job. It's not fun trying to remove those pinch clamps.

Leaking Pex Connection. Do I Need a Tool?

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