How to install a water shut off valve.
Adding shut off valves to kitchen sink.
Houses built before roughly 1980 were not required to have shut offs on every sink supply line so you may not have any at all.
Take the old valve with you to the home depot to make sure the replacement matches.
Determine the shut off valve heights.
Hold the tubing to the block with a drop ear bend support which is a.
First step turn off the water to your house.
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.
Turn standard stop valves several times clockwise to close.
It s standard procedure to install shutoff valves on the water supply lines for a sink because they provide an easy way to turn off the water when you need to repair or change the faucet.
Compression fitting shut off valves attach to rigid copper pipe and are popular options.
Plan where you ll place the shut off valve.
If you re remodeling your kitchen or adding a bathroom here s some advice you ll thank us for later.
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.
Shutoff valves go unused for years.
If your sink doesn t have shut off valves install them now while you re working on the system.
Drain the system by opening the sink and tub faucets on the lowest floor.
Begin to install the valve by sliding the compression nut over the supply pipe.
Then cut copper pipe with an autocut tool.
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.
Then drain your home at the lowest point.
A ball type valve requires only 1 4 turn.
Usually the water main will be in a basement or garage.
Choose ball type shutoff valves instead of standard stop valves photo 1.
Next use a wrench to loosen the water supply tube from the adapter.
Usually this is a laundry tub outdoor spigot or kitchen faucet.