Sink Supply Valve Leak

My water supply valve under the kitchen sink leaks.

Sink supply valve leak.

At this point if water is still exiting the valve it will need replacement. If the leak persists before replacing the entire valve try this. When cutting the supply line cut slowly and gently so. 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.

To replace the packing washer remove the handle and packing nut. How to fix a leaky kitchen sink at the supply line. Turn on the water supply to the sink once the valve is back in place and the plumbing has been completely re secured. Required tools for this project.

I am replacing the faucet in my kitchen. 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. I have the faucet installed in the sink but not connected to the hot and cold water. 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.

Unscrew the handle the packing nut and the threaded valve stem photo 2. As the line fills watch out for leaks. Faulty seals are easily detected. Water valve cutaway showing packing washer.

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. If this happens to you you can simply replace the valve with a new valve that matches the old one. Turn off the next valve up the line which may be the main water supply valve. Fortunately a bad shut off valve is extremely easy to replace.

After you are done fixing your leaky water shutoff valve check out how to fix a leaky shutoff with a supply valve piggyback. These inexpensive little valves rarely get used and when they do sometimes they leak. Place a bucket under the old 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.

The hot and cold water supply under the sink is turned off at the valves.