Sink Supply Valve Leak

If this happens to you you can simply replace the valve with a new valve that matches the old one.

Sink supply valve leak.

I am replacing the faucet in my kitchen. To replace the packing washer remove the handle and packing nut. Cut the supply line with a pipe cutter leaving enough room between the escutcheon plate and the cut to allow installation of the valve fitting. Fortunately a bad shut off valve is extremely easy to replace.

Place a bucket under the old valve. Turn off the water at the house s main shutoff then disassemble the problematic shutoff valve without disconnecting the valve from either the water supply line or the line leading to the toilet. Faulty seals are easily detected. The supply lines leading to the kitchen sink both hot and cold begin at a water supply valve and end at the faucet supply tube that is.

The cold water supply line from the wall is dripping water slowly. My water supply valve under the kitchen sink leaks. If there is a leak coming from a supply line connection to the faucet or from the hot and cold water on and off valves it is probably related to a. Unscrew the handle the packing nut and the threaded valve stem photo 2.

Turn off the next valve up the line which may be the main water supply valve. Under sink shutoff valves also called fixture shutoffs or stop valves allow you to turn off the water to the sink or other fixture without having to use the home s main shutoff. Deburr the pipe with a deburring tool. When cutting the supply line cut slowly and gently so.

At this point if water is still exiting the valve it will need replacement. Required tools for this project. If the leak persists before replacing the entire valve try this. These inexpensive little valves rarely get used and when they do sometimes they leak.

The hot and cold water supply under the sink is turned off at the valves. Water valve cutaway showing packing washer. How to fix a leaky kitchen sink at the supply line. I have the faucet installed in the sink but not connected to the hot and cold water.

Open the faucet to drain the line.