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Old 01-26-2009, 07:15 AM   #1
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Shut off valve help needed


This weekend I took on the project of installing a new faucet set for the kitchen sink. Intallation went better than I expected (once I got the old faucet removed). However, although all of the lines were correctly re-connected, I am not getting any Cold water through the faucet. I did shut off both the hot water and cold water valves during installtion. When I turned them both back on, all I got was hot water.

Is it possible that the valve is shot? House was built in 1996 and I'm sure that this is original equipment..

I included a picture of the valve in question. Assuming that I do need to replace the it, I'm a little nervous about the type of connection that is used on the circled area of the photo. I don't want to cause a flood or end up breaking the copper pipe in the wall.

Any guidance is appreciated.



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Old 01-26-2009, 08:06 AM   #2
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It could be the faucet, so I'd rule that out first.

The valve handle might not be engaging the valve's stem that re-opens the seal. Take the supply line off and very slightly open the valve to see if any water comes out. If not, your valve's shot. You might make sure the valve handle isn't just spinning without engaging the stem.

That valve appears to have a compression fitting, but I can't tell for certain. Look at the connection to see if it was soldered or if the large nut-shaped part of the valve by the pipe will unscrew. Soldering is a little more involved to try by yourself for the first time with nobody helping you out.

Assuming it is compression, this is easy! Use TWO crescent wrenches (not pliers) to remove the valve (shut off the main). One wrench grips the valve body, one loosens the nut. If you securely grip the valve body then there's no risk of damaging the pipe in the wall. Clean the pipe with a little fine sandpaper and install a new valve the same way the old one came off, using two wrenches. Don't use any thread tape or compound because compression fittings are self-sealing when you crank them down hard.


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