How to install a water shut off valve.
Adding a shut off valve to sink.
Plumbers have long used cross linked polyethylene or pex tubing for applications like subfloor radiant heating and there are many reasons to.
Individual shut off valves offer convenience to homeowners by making it easier to repair a leaky faucet while another person can wash laundry shower or do the dishes.
Your first step is to shut off the water to the entire house at the meter.
Drain the system by opening the sink and tub faucets on the lowest floor.
First step turn off the water to your house.
Next use a wrench to loosen the water supply tube from the adapter.
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.
Turn on the main water supply and open the supply valves.
These inexpensive little valves rarely get used and when they do sometimes they leak.
Then drain your home at the lowest point.
Usually this is a laundry tub outdoor spigot or kitchen faucet.
To cap off the shut off valves under a sink you will need to know what kind of valves you have.
Remove the riser or flexible water line from the shut off valve and inspect the connector.
Connecting sink shut off valves to pex water lines.
A lot of older shut off valves are 3 8 flare fittings whereas most of the newer valves are 3 8 compression fittings.
Some water might remain in the system so keep a small bucket handy.
The tee fitting should fit the threads of your valve while the third outlet should have an outside diameter of 1 4 inch for the refrigerator water line.
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.
Let the water flow through the faucet to clear air in the lines and check for leaks by feeling the fittings and.
If your sink has a shut off valve you can tap it using a tee fitting.
Adding a shut off valve to a.