Sink Supply Valve Leak

To replace the packing washer remove the handle and packing nut.

Sink supply valve leak.

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. 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. 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.

Water valve cutaway showing packing washer. After you are done fixing your leaky water shutoff valve check out how to fix a leaky shutoff with a supply valve piggyback. How to fix a leaky kitchen sink at the supply line. 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. Fortunately a bad shut off valve is extremely easy to replace. Required tools for this project. Open the faucet to drain the line.

Deburr the pipe with a deburring tool. Turn on the water supply to the sink once the valve is back in place and the plumbing has been completely re secured. At this point if water is still exiting the valve it will need replacement. When cutting the supply line cut slowly and gently so.

Place a bucket under the old valve. The hot and cold water supply under the sink is turned off at the valves. If the leak persists before replacing the entire valve try this. If this happens to you you can simply replace the valve with a new valve that matches the old one.

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. The cold water supply line from the wall is dripping water slowly. 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. My water supply valve under the kitchen sink leaks.

As the line fills watch out for leaks.