Replacing Water Valve Under Sink

Turn off the next valve up the line which may be the main water supply valve.

Replacing water valve under sink.

If this happens to you you can simply replace the valve with a new valve that matches the old one. Check the new valves for leaks. When cutting the supply line cut slowly and gently so. For a basic project in zip code 47474 with 6 valves the cost to install a water shut off valve starts at 153 183 per valve.

The hot and cold water supply under the sink is turned off at the valves. Open the faucet to drain the line. Actual costs will depend on job size conditions and options. Turn the water heater gas valve back to on or flip on the circuit breakers to the electric water heater.

Then shut off the upper and lower faucets. 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. Place a bucket under the old valve. 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.

Deburr the pipe with a deburring tool. The water to a kitchen or bathroom sink is supplied through small copper or flexible neoprene tubes from a small control valve called a stop or shut off valve under the sink. Learn how easy it is. I am replacing the faucet in my kitchen.

The cold water supply line from the wall is dripping water slowly. Close the new valve. Then open the water main shutoff valve and let the water run until all the air is out of the pipes. My water supply valve under the kitchen sink leaks.

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. With a few household tool. I have the faucet installed in the sink but not connected to the hot and cold water.