Shut off the water to the sink.
Kitchen sink shut off valve not working.
The water from the faucet is not diverting to the sidespray.
This valve is located under the sink.
If you re fixing a hot water valve turn off the hot water outlet on the water heater.
If they are and the faucet still isn t working turn them off disconnect the supply hoses from the faucet and point them into a bucket.
If it s a cold valve find the main water shutoff for the house usually.
If this happens to you you can simply replace the valve with a new valve that matches the old one.
These inexpensive little valves rarely get used and when they do sometimes they leak.
In addition many cheaper types of valves are made with plastic.
If there s no cold water in the house at all then the shut off valve under each sink becomes less of a possible culprit.
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.
The possible causes of a cold water tap not working however can still be just as serious as those that affect any pipe regardless of water temperature.
You can think of the sprayer as a second spout if you turn off the faucet you re also turning off the sprayer.
This valve is located either in the basement on an exterior wall of the home or in an underground box outside the home.
Water shutoff valves are located throughout your home the most important is the main shutoff valve which can turn off the water supply to your entire home.
Both shutoff valves should be on all the way.
If the faucet is shut off you won t be able to get water from your sprayer.
You ll see two knobs near.
This is because the sink faucet diverter valve can only work when there is enough water pressure to divert to the sprayer.