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You are here: Experts > Home/Garden > Home Improvement/Repair > Plumbing in the Home > Shut-off valve
Expert: Dana Bostick - 11/8/2009
Question
My shut-off valve to the toilet does not work. When it is turned off, it starts to leak so I think my best best is just to replace it. There is a nut to the valve from the toilet but the supply line to the valve is plastic and there is no nut to unscrew. There is simply some type of compression ring on it. How is this connected and how do I get it off to remove the valve? Once it's off, what is the method to get a new one on? Do I need a special tool? Can I put on one of those ferrules with a nut? What about those new push on quarter turn valves? I am a novice so need something easy and simple but my initial problem is determining how the valve is connected to the supply line.
Answer
Hi Steve,
You have PEX or some other type of plastic piping. These valves are crimped on using a compression ring as you said. Difficult to replace without the right tools and know how. I don't recommend you tackling this. You may be able to stop the leak by just tightening the packing gland nut under the handle of the stop. This will tighten the packing around the stem.
Best,
Dana
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