If this happens to you you can simply replace the valve with a new valve that matches the old one.
Replace valve kitchen sink.
Typically there are two shut off valves installed underneath the kitchen sink.
If you don t have shutoff valves add them.
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Then disconnect the supply tube from the shutoff valve.
To replace a shut off valve in the kitchen sink you need to locate the valves that turn the water supply on or off.
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.
If you have a gas water heater turn the knob to the pilot position.
Shutoff valves before you shop for your new faucet see selecting a faucet at the end of this how to replace a kitchen faucet article take a look under the sink and make sure that there are shutoff valves feeding the faucet.
See below for a sh.
Install the sink fixtures.
How to replace kitchen sink cutoff valves.
Shut off the circuit breakers to an electric water heater.
Replacing a shut off valve compression valve or angle stop may seem like a daunting task but it really takes less than 5 minutes.
One for the hot water supply and the other for the cold.
Some faucets have an adapter over the stem of the valve.
Then open a faucet on the lowest level of your house and another faucet on an upper level to drain the pipes.
With the handle removed the top of the valve will be visible fig.
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The shut off valves are easy to spot.
Use an adjustable or fixed wrench or a 5 8 inch deep socket wrench to loosen the valve by turning it counterclockwise fig.
These inexpensive little valves rarely get used and when they do sometimes they leak.
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With a few household tool.
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Keeping the cutoff valves under your kitchen sink in working order is important because it s difficult to repair the faucet if you can t shut them off.