Sink Supply Valve Leak

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.

Sink supply valve leak.

Turn on the water supply to the sink once the valve is back in place and the plumbing has been completely re secured. Faulty seals are easily detected. 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.

After you are done fixing your leaky water shutoff valve check out how to fix a leaky shutoff with a supply valve piggyback. 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. The cold water supply line from the wall is dripping water slowly. Fortunately a bad shut off valve is extremely easy to replace.

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. Deburr the pipe with a deburring tool. To replace the packing washer remove the handle and packing nut.

As the line fills watch out for leaks. The hot and cold water supply under the sink is turned off at the valves. Turn off the next valve up the line which may be the main water supply valve. I have the faucet installed in the sink but not connected to the hot and cold water.

If the leak persists before replacing the entire valve try this. Open the faucet to drain the line. Required tools for this project. I am replacing the faucet in my kitchen.

These inexpensive little valves rarely get used and when they do sometimes they leak. Unscrew the handle the packing nut and the threaded valve stem photo 2. If this happens to you you can simply replace the valve with a new valve that matches the old one. Water valve cutaway showing packing washer.

Place a bucket under the old valve.