Adding Shut Off Valve Under Sink

Your first step is to shut off the water to the entire house at the meter.

Adding shut off valve under sink.

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. Usually this is a laundry tub outdoor spigot or kitchen faucet. Shut off the water to the whole house than take the pressure off the water lines. Shut off the water supply to whichever line you plan to source the water from.

Usually the water main will be in a basement or garage. Leah from see jane drill demonstrates how to remove an old water shut off valve for a toilet and install a new one compression type. Drain the system by opening the sink and tub faucets on the lowest floor. These inexpensive little valves rarely get used and when they do sometimes they leak.

Plan where you ll place the shut off valve. To replace a kitchen or vanity faucet and add a shut off valve just follow these steps. If it doesn t you can shut off the main water supply to the house instead. Then drain your home at the lowest point.

Let the water flow through the faucet to clear air in the lines and check for leaks by feeling the fittings and. Hold the valve with a wrench or a pliers and tighten the nut a one half to three quarters turn follow the manufacturer s tightening instructions. That way when you cut into the water line you won t get a face full of sprayed water. If this happens to you you can simply replace the valve with a new valve that matches the old one.

Learn how easy it is. Opening up the outside spigot is a great way to relieve the pressure. Tighten as necessary until the joints are sealed. Next use a wrench to loosen the water supply tube from the adapter.

If you are connecting the refrigerator water line to the sink water line the piping below the sink typically has its own hot and cold shut off valves. Then cut copper pipe with an autocut tool. Turn on the main water supply and open the supply valves. Some water might remain in the system so keep a small bucket handy.

Next screw the compression nut onto the valve until snug.