Replacing a shut off valve compression valve or angle stop may seem like a daunting task but it really takes less than 5 minutes.
Replacing hot water valve under bathroom sink.
Cut the supply line with a pipe cutter leaving enough room between the escutcheon plate and the cut to allow installation of the valve fitting.
I have the faucet installed in the sink but not connected to the hot and cold water.
Shut off the water supply.
As the line fills watch out for leaks.
The hot and cold water supply under the sink is turned off at the valves.
It is always better to replace them.
You may have a built in cabinet under the sink and the valves are generally located in it.
Turn off the next valve up the line which may be the main water supply valve.
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.
Move the faucet handle to ensure that the last drops of water are also drained out.
Then shut off the upper and lower faucets.
I am replacing the faucet in my kitchen.
Turn on the water supply to the sink once the valve is back in place and the plumbing has been completely re secured.
The cold water supply line from the wall is dripping water slowly.
Close the new valve.
Check the new valves for leaks.
With a few household tool.
At this point if water is still exiting the valve it will need replacement.
Place a bucket under the old valve.
Turn the water heater gas valve back to on or flip on the circuit breakers to the electric water heater.
Start by wearing plastic gloves.
Replacing a bathroom sink valve is rather easy.
Look under the sink for the two turnoff valves one each for the hot and cold water faucets.
Open the faucet to drain the line.
The water to a kitchen or bathroom sink is supplied through small copper or flexible neoprene tubes from a small control valve called a stop or shut off valve under the sink.
There are two basic types straight stops and angle stops and these valves normally remain on and are seldom closed functioning maintenance free for years.
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.
Locate the main water supply valve that is usually located under the skin.
Fortunately a bad shut off valve is extremely easy to replace.
My water supply valve under the kitchen sink leaks.