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Old 04-30-2015, 11:44 AM   #1
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Removing PEX from valve


Hi -

I am trying to replace a 4" piece of 1/2" PEX. We cut it and removed one part without problem. The other 1" piece is stuck on a valve and we cannot pull it off. We were able to remove the clamp, but the PEX is still really tightly stuck to the pipe that protrudes from the valve. Any ideas of how to get it off without ruining the valve?

Also, I'm just wondering -if it is so tight now - am I going to be able to easily slip on the new PEX?

Thanks
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Old 04-30-2015, 11:58 AM   #2
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Got a picture of the valve.
We have no idea what type you have.
Crimp ring, push type?
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Old 04-30-2015, 12:09 PM   #3
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Gradually heat the piece of pex with a heat gun or small torch until you can pull it off- go easy with the heat...
You can also gently slice down the fitting with a razor- be careful not to cut into the barbs
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Old 04-30-2015, 12:43 PM   #4
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Photo attached. Don't have a heat source, but could buy if needed. And can you be more specific about "cut down the fitting"? Not sure what that means exactly :-/ Cutting through the PEX itself has been really difficult!
P.S. I am not the one who cut the PEX right at the edge of the valve.
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Old 04-30-2015, 01:01 PM   #5
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From the pic, I see you are already using some sharkbite connections... Have you considered replacing that old gate valve altogether with a new 1/4-turn ball valve? Sharkbite makes them, and they should be stocked at your local HD.

Just another possibility....

Cheers, Chris
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Old 04-30-2015, 02:06 PM   #6
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A utility knife should go through that easy.
No ossilating tool?
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Old 04-30-2015, 02:09 PM   #7
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I use a knife all the time and just cut it off … just make sure that it is nice and sharp
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Old 04-30-2015, 02:26 PM   #8
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Ayuh,.... Score it with a utility knife, 'n grab it with a pair of plyers to pull it off,....

If ya wanta heat it, a bic-lighter would work on that small fittin',...
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Old 05-01-2015, 01:27 AM   #9
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Use a dremel tool
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Old 05-01-2015, 02:55 PM   #10
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Thank you! Lighter worked


I held a lighter to it for a minute or so, and it came right off!

Thank you! Cheapest, easiest option by far.
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Old 05-01-2015, 03:07 PM   #11
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Quote:
Originally Posted by TheEplumber View Post
You can also gently slice down the fitting with a razor- be careful not to cut into the barbs
Every time I do this, I wonder if I've damaged the barbs. Has anyone ever had a failure by scratching the brass too deep?
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