Replace Water Valve Under Sink

Shut off water supply.

Replace water valve under sink.

Turn the water heater gas valve back to on or flip on the circuit breakers to the electric water heater. I have the faucet installed in the sink but not connected to the hot and cold water. Turn off the next valve up the line which may be the main water supply valve. Check the new valves for leaks.

Verify leak free installation and operation. Basic labor to install water shut off valve with favorable site conditions. Then open the water main shutoff valve and let the water run until all the air is out of the pipes. Place valve in accessible location.

Demolition and wall floor ceiling surface restoration is extra if needed. When cutting the supply line cut slowly and gently so. The hot and cold water supply under the sink is turned off at the valves. Then shut off the upper and lower faucets.

Deburr the pipe with a deburring tool. Place a bucket under the old valve. My water supply valve under the kitchen sink leaks. There are two basic types straight stops and angle stops and these valves normally remain on and are seldom closed functioning maintenance free for years.

Cut fit and securely attach shut off valve to existing water supply line. These inexpensive little valves rarely get used and when they do sometimes they leak. Close the new valve. The cold water supply line from the wall is dripping water slowly.

If this happens to you you can simply replace the valve with a new valve that matches the old one. I am replacing the faucet in my kitchen. 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. How to remove your plastic flowtite valve under the sink these valves and hoses need to be replaced if your home was built 10 to15 years ago.

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. Open the faucet to drain the line.