Close the main water supply to the leaky valve.
Faucet shut off valve leaking.
However calling a plumber can be expensive.
Attach the water line from the faucet to the water supply shut off valve using plumbers tape.
Then fit an adjustable wrench onto the nut of the shut off valve and turn it counter clockwise at 1 8 to 1 4 turn at a time.
Turn the water supply valve under the sink off.
Required tools for this project.
Place a bucket or a thick towel on the floor under the leaky valve just in case some residual water leaks out during work.
There should be no leaks and all should be good.
Turn on all the faucets and flush all the toilets associated with the main shutoff valve to empty the pipes of water.
This will tighten the packing nut and may stop the drip.
Pull the nut back to expose the valve s threaded spindle.
Then disconnect the supply tube from the shutoff valve.
Then open a faucet on the lowest level of your house and another faucet on an upper level to drain the pipes.
Once tight and in place turn the valve on and test the kitchen faucet.
Wrap teflon packing around the spindle then hand tighten the bonnet nut back into place.
Turn the home water supply back on.
The shut off valve under a sink can go unattended for years without giving any problems but once it starts leaking it can lead to a mess quickly.
Put a plastic tub under the leaking valve to reduce the water spillage on the floor while you work.
Loosen the bonnet nut on the leaky shut off valve with an adjustable wrench.
These inexpensive little valves rarely get used and when they do sometimes they leak.
Shut off the circuit breakers to an electric water heater.
Shut off the water at the main shutoff valve.
Avoid gumming up the inside of the shutoff valve.
Use the wrench to firmly tighten the nut but don t over tighten it.
Support see jane dri.
Step 2 prepare to take it apart.
If you have a gas water heater turn the knob to the pilot position.
If the valve leak persists turn off the main water shutoff valve then disconnect the valve and replace it.
Step 3 remove the screw in the center of the shutoff valve handle using a screwdriver.
Ignoring minor leaks can waste up to three gallons of water every day and can also lead to permanent water stains and rot under your sink.
Reassemble the shutoff valve turn the main house valve back on and check for leaks.
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.
Don t use any pipe dope or plastic tape on the valve stem s threads.
