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.
Add shut off valve to sink.
Some water might remain in the system so keep a small bucket handy.
Grasp the knob of the shutoff valve with another adjustable wrench.
If this happens to you you can simply replace the valve with a new valve that matches the old one.
Grasp the bonnet nut located directly under or next to the knob of the shutoff valve with an adjustable wrench.
Tighten the compression fitting then shut off the new valve.
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.
Open the old valve all the way and tighten the packing nut.
Place the valve fitting onto the pipe to ensure a tight fit.
The sharkbite push fit end allows you to simply push on to copper cpvc or pex with no solder clamps unions or glue.
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.
Your first step is to shut off the water to the entire house at the meter.
Then unscrew the old supply tube.
Hold the tubing to the block with a drop ear bend support which is a.
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.
Drain the system by opening the sink and tub faucets on the lowest floor.
This tip if followe.
Twist it to evenly distribute the flux.
First step turn off the water to your house.
Then drain your home at the lowest point.
Next use a wrench to loosen the water supply tube from the adapter.
Quickly swap in the new repair valve in the open position on top of the old valve.
3 hold the knob.
These inexpensive little valves rarely get used and when they do sometimes they leak.
If you re replacing a shut off valve that needs soldering to rigid copper begin by removing the old valve as above.
Then cut copper pipe with an autocut tool.
How to install a water shut off valve.
Plan where you ll place the shut off valve.
Water will leak out so place a bowl under it.