Water Shut Off Valve Under Kitchen Sink

Open the faucet to drain the line.

Water shut off valve under kitchen sink.

They are usually located where the water pipe enters the room such as behind the toilet or under the sink. Turn off the next valve up the line which may be the main water supply valve. Start with the kitchen sink shutoff valve. Place a bucket under the old valve.

Supply stop valves primarily control water flow to household plumbing fixtures. Open the cabinet below the sink and remove anything stored there. These inexpensive little valves rarely get used and when they do sometimes they leak. You will need to turn the main water valve off to your home if you replace the cold water valve under your kitchen sink.

If you see water leaking out this means the valve is leaking. Its purpose is to shut off the fluid flow in one pipe while opening fluid flow in another pipe. Deburr the pipe with a deburring tool. 1 2 nom x 3 8 od comp.

You should see a large pipe usually made of pvc that has a vertical bend in it before running horizontally to the back wall or rarely down to the floor. 1 4 turn mm fv 001 4 4 out of 5 stars 113 9 99 9. Three way valves are often used for more complex piping systems and are rarely used for under sinks and toilets. This is the sink drain pipe.

Sinks have shutoff valves attached to their pipes that allow you to turn off the water in one location instead of the entire house when you need to work on the sink plumbing. Turn the taps to the off position. Check the valve very carefully for about 30 minutes with a flashlight and if you find it is leaking then remove and replace it. 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.

Replacing a shut off valve compression valve or angle stop may seem like a daunting task but it really takes less than 5 minutes. It is very common for this to happen. This allows easy water shut off to the fixture for maintenance and repair without having to turn water off to the entire home. At home they re typically used under kitchen sinks that have a hot and cold water supply system.