Replacing Valves Under Kitchen Sink

Open the cold water handle of the kitchen faucet and let the water drain out if you re replacing the cold valve.

Replacing valves under kitchen sink.

When cutting the supply line cut slowly and gently so. 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. If you have a gas water heater turn the knob to the pilot position. The cold water supply line from the wall is dripping water slowly.

Turn off the main water supply for the house. Turn off the next valve up the line which may be the main water supply valve. Then open a faucet on the lowest level of your house and another faucet on an upper level to drain the pipes. Deburr the pipe with a deburring tool.

Actual costs will depend on job size conditions and options. Shut off the circuit breakers to an electric water heater. Place a bucket under the old valve. 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.

However calling a plumber can be expensive. These inexpensive little valves rarely get used and when they do sometimes they leak. 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. I am replacing the faucet in my kitchen.

My water supply valve under the kitchen sink leaks. If this happens to you you can simply replace the valve with a new valve that matches the old one. Ignoring minor leaks can waste up to three gallons of water every day and can also lead to permanent water stains and rot under your sink. Open the faucet to drain the line.

With a few household tool. Then disconnect the supply tube from the shutoff valve. I have the faucet installed in the sink but not connected to the hot and cold water. The shut off valve under a sink can go unattended for years without giving any problems but once it starts leaking it can lead to a mess quickly.

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. Replacing a shut off valve compression valve or angle stop may seem like a daunting task but it really takes less than 5 minutes.