Add Shut Off Valve To Sink

Grasp the bonnet nut located directly under or next to the knob of the shutoff valve with an adjustable wrench.

Add shut off valve to sink.

Drain the system by opening the sink and tub faucets on the lowest floor. Grasp the knob of the shutoff valve with another adjustable wrench. Your first step is to shut off the water to the entire house at the meter. Usually this is a laundry tub outdoor spigot or kitchen faucet.

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. Then cut copper pipe with an autocut tool. Hold the tubing to the block with a drop ear bend support which is a. Next use a wrench to loosen the water supply tube from the adapter.

If you re replacing a shut off valve that needs soldering to rigid copper begin by removing the old valve as above. Tighten the compression fitting then shut off the new valve. Open the old valve all the way and tighten the packing nut. Quickly swap in the new repair valve in the open position on top of the old valve.

Place the valve fitting onto the pipe to ensure a tight fit. These inexpensive little valves rarely get used and when they do sometimes they leak. Usually the water main will be in a basement or garage. This tip if followe.

Then drain your home at the lowest point. Twist it to evenly distribute the flux. The sharkbite push fit end allows you to simply push on to copper cpvc or pex with no solder clamps unions or glue. If this happens to you you can simply replace the valve with a new valve that matches the old one.

Then unscrew the old supply tube. Water will leak out so place a bowl under it. 3 hold the knob. 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.

How to install a water shut off valve. Some water might remain in the system so keep a small bucket handy. 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. 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.