Add Shut Off Valve To Sink

Plan where you ll place the shut off valve.

Add shut off valve to sink.

Then cut copper pipe with an autocut tool. These inexpensive little valves rarely get used and when they do sometimes they leak. Your first step is to shut off the water to the entire house at the meter. Water will leak out so place a bowl under it.

Apply a thin layer of solder flux or soldering paste to the inside of the valve s fitting seat and the outside of the pipe. Usually the water main will be in a basement or garage. Then drain your home at the lowest point. Open the old valve all the way and tighten the packing nut.

Twist it to evenly distribute the flux. Install blocking behind the sink and run 1 2 inch pex tubing around the blocking and extend it out from the wall about an inch. 3 hold the knob. The angle stop valve is used where the water pipe enters the room to allow for easy shut off of water flow to the end fixture allowing for maintenance and repair without having to turn water off to the entire home.

Quickly swap in the new repair valve in the open position on top of the old valve. Next use a wrench to loosen the water supply tube from the adapter. First step turn off the water to your house. If this happens to you you can simply replace the valve with a new valve that matches the old one.

How to install a water shut off valve. Grasp the bonnet nut located directly under or next to the knob of the shutoff valve with an adjustable wrench. The sharkbite push fit end allows you to simply push on to copper cpvc or pex with no solder clamps unions or glue. Here is a video showing you how to handle a situation in which the water shut off valve or angle stop does not want to close or shut off.

Grasp the knob of the shutoff valve with another adjustable wrench. Drain the system by opening the sink and tub faucets on the lowest floor. Tighten the compression fitting then shut off the new valve. If you re replacing a shut off valve that needs soldering to rigid copper begin by removing the old valve as above.

Place the valve fitting onto the pipe to ensure a tight fit. Usually this is a laundry tub outdoor spigot or kitchen faucet. Some water might remain in the system so keep a small bucket handy. 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.