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Old 02-11-2009, 05:31 PM   #1
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Pex tubing & compression fittings


Hi;
I just installed a new sink faucet. It uses Pex tubing for the supply.
The tubing and compression fittings with the nuts were already attached to the faucet.

When I made the compression connections to the shutoff valves, I had no leaks, but I am thinking that I might have over-tightened the nuts a bit.
The instructions (which I read very carefully, except for the part about how much to tighten the fittings) said to tighten one turn past finger tight, not to over-tighten.

It is very difficult to know what "finger tight" is with these old valves, because the nuts don't thread on so easily as they would on new valves.
I did tighten pretty hard, but not as hard as I could have<g>
There are no leaks, but I am just wondering whether, if the nuts were over-tightened, the connections could start to leak later on, or would they have leaked right away.

I have no intentions of un-tightening the nuts so that they are definitely not over-tightened, because I KNOW that they WILL leak after I do that.

It's under the sink, so I have access to check them once in a while if I feel the need to, but I always tend to second-guess myself after doing a job that I have not done many times before.

BTW, there is plenty of the PEX supply lines available (I had to loop it) in case I need to cut and re-do the connection at a later date.

Thanks for your advice.

FW

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Old 02-11-2009, 07:44 PM   #2
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Pex tubing & compression fittings


my quess is that it wouldve leaked right away as if you pinched the line.

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Old 02-11-2009, 07:51 PM   #3
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Pex tubing & compression fittings


Quote:
Originally Posted by II Weeks View Post
my quess is that it wouldve leaked right away as if you pinched the line.
That's what my better judgment told me; That's why I wouldn't want to loosen it to see how tight I really made it. I can be a bit obsessive, but not to that extent.

So, the word is: "Leak now, or forever hold your spritz"

FW
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