Replace Water Shutoff Valve Under Sink

Open the faucet to drain the line.

Replace water shutoff valve under sink.

If you have a gas water heater turn the knob to the pilot position. Then open a faucet on the lowest level of your house and another faucet on an upper level to drain the pipes. Turn off the next valve up the line which may be the main water supply valve. Deburr the pipe with a deburring tool.

The main water shut off valve stops the flow to the entire home from the water meter while other water valve types shut off the water at individual appliances fixtures and faucets. 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. At this point if water is still exiting the valve it will need replacement. Replacing a shut off valve compression valve or angle stop may seem like a daunting task but it really takes less than 5 minutes.

Place a bucket under the old valve. When cutting the supply line cut slowly and gently so. Prepare for valve replacement. Residential plumbing systems can contain several different types of water shut off valves that control water flow.

Turn on the water supply to the sink once the valve is back in place and the plumbing has been completely re secured. Shut off the circuit breakers to an electric water heater. With a few household tool. These inexpensive little valves rarely get used and when they do sometimes they leak.

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. Shut off the water at the main shutoff valve. As the line fills watch out for leaks. If this happens to you you can simply replace the valve with a new valve that matches the old one.