Add Shut Off Valve To Sink

Tighten the compression fitting then shut off the new valve.

Add shut off valve to sink.

Place the valve fitting onto the pipe to ensure a tight fit. Water will leak out so place a bowl under it. Then drain your home at the lowest point. Some water might remain in the system so keep a small bucket handy.

Then unscrew the old supply tube. Grasp the bonnet nut located directly under or next to the knob of the shutoff valve with an adjustable wrench. Next use a wrench to loosen the water supply tube from the adapter. 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.

Drain the system by opening the sink and tub faucets on the lowest floor. This tip if followe. Then cut copper pipe with an autocut tool. Quickly swap in the new repair valve in the open position on top of the old valve.

Plan where you ll place the shut off valve. First step turn off the water to your house. 3 hold the knob. Your first step is to shut off the water to the entire house at the meter.

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. These inexpensive little valves rarely get used and when they do sometimes they leak. 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. Grasp the knob of the shutoff valve with another adjustable wrench.

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. Usually this is a laundry tub outdoor spigot or kitchen faucet. Open the old valve all the way and tighten the packing nut. If this happens to you you can simply replace the valve with a new valve that matches the old one.

Usually the water main will be in a basement or garage. 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. If you re replacing a shut off valve that needs soldering to rigid copper begin by removing the old valve as above. How to install a water shut off valve.