Shut off the water to the whole house than take the pressure off the water lines.
Adding shut off valve under sink.
Next use a wrench to loosen the water supply tube from the adapter.
Plan where you ll place the shut off valve.
Some water might remain in the system so keep a small bucket handy.
If it doesn t you can shut off the main water supply to the house instead.
Shut off the water supply to whichever line you plan to source the water from.
Let the water flow through the faucet to clear air in the lines and check for leaks by feeling the fittings and.
Tighten as necessary until the joints are sealed.
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.
Insert the new valve and apply a very light coating of pipe dope to the compression sleeve.
Then cut copper pipe with an autocut tool.
Usually this is a laundry tub outdoor spigot or kitchen faucet.
That way when you cut into the water line you won t get a face full of sprayed water.
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.
Next screw the compression nut onto the valve until snug.
Learn how easy it is.
Drain the system by opening the sink and tub faucets on the lowest floor.
Turn on the main water supply and open the supply valves.
To replace a kitchen or vanity faucet and add a shut off valve just follow these steps.
These inexpensive little valves rarely get used and when they do sometimes they leak.
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.
First step turn off the water to your house.
Your first step is to shut off the water to the entire house at the meter.
Opening up the outside spigot is a great way to relieve the pressure.
Then drain your home at the lowest point.