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Old 01-14-2011, 04:25 PM   #1
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Replacing a water valve to toilet


I need to replace the water valve to our toilet. There is a compression fitting on the copper tubing and I can't get the old compression ring off. What do I do?

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Old 01-14-2011, 04:29 PM   #2
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Replacing a water valve to toilet


Cut it off with a pipe cutter. Clean up the pipe with some very high grit sandpaper until it is nice and smooth and round.
You can then replace with new compression fitting or solder a new one( better IMO).


Make sure you turn off the water before you start.

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Old 01-14-2011, 04:33 PM   #3
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Replacing a water valve to toilet


If I cut it off, it will make the copper pipe too short to be able to attach the new valve!
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Old 01-14-2011, 04:41 PM   #4
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Replacing a water valve to toilet


Have you tried a dremel to cut the ring?
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Old 01-14-2011, 04:42 PM   #5
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Replacing a water valve to toilet


Nevermind probably squashed on good. You may need to take off some drywall so you can add a new section of pipe.
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Old 01-14-2011, 04:48 PM   #6
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Replacing a water valve to toilet


I thought about that but I am afraid of damaging the copper pipe in doing so. I may have to try it. Thanks
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Old 01-14-2011, 04:52 PM   #7
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Replacing a water valve to toilet


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Originally Posted by tortvet View Post
I need to replace the water valve to our toilet. There is a compression fitting on the copper tubing and I can't get the old compression ring off. What do I do?
Never tried it myself but this "might" work (uses the heat expands, cold contracts principle):

Put a rag or paper towel in some ice water. Heat the brass compression fitting with a pin point propane torch or even maybe a match or lighter. While still hot, wrap the cold rag around the copper pipe (not the compression ring) to try to shrink the copper pipe. Use a pliers to try to rotate the ring without nicking the pipe.

HRG
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Old 01-14-2011, 05:04 PM   #8
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Replacing a water valve to toilet


Man, I just reuse the old nut and ferrule and screw the new valve on. It usually works.
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Old 01-14-2011, 08:52 PM   #9
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Replacing a water valve to toilet


I do the same as Broox.
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Old 01-14-2011, 10:44 PM   #10
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Replacing a water valve to toilet


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I do the same as Broox.
Me too. Or I use a ferrule puller.

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