Sink Supply Valve Leak

As the line fills watch out for leaks.

Sink supply valve leak.

The cold water supply line from the wall is dripping water slowly. How to fix a leaky kitchen sink at the supply line. At this point if water is still exiting the valve it will need replacement. 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.

To replace the packing washer remove the handle and packing nut. If the leak persists before replacing the entire valve try this. I am replacing the faucet in my kitchen. Faulty seals are easily detected.

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. My water supply valve under the kitchen sink leaks. Turn off the next valve up the line which may be the main water supply valve. Required tools for this project.

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. Unscrew the handle the packing nut and the threaded valve stem photo 2. The hot and cold water supply under the sink is turned off at the valves. Turn on the water supply to the sink once the valve is back in place and the plumbing has been completely re secured.

After you are done fixing your leaky water shutoff valve check out how to fix a leaky shutoff with a supply valve piggyback. I have the faucet installed in the sink but not connected to the hot and cold water. Water valve cutaway showing packing washer. Place a bucket under the old valve.

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. Open the faucet to drain the line. 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. These inexpensive little valves rarely get used and when they do sometimes they leak.

Fortunately a bad shut off valve is extremely easy to replace.