Step 3 remove the screw in the center of the shutoff valve handle using a screwdriver.
Water shut off valve under sink leaking.
Angle stop valves are normally used when the water line comes out from the wall and the outlet side of.
Place a bucket or a thick towel on the floor under the leaky valve just in case some residual water leaks out during work.
Check the valve very carefully for about.
Support see jane dri.
Reinstall the packing nut tighten lightly with a wrench don t over tighten at this or any other point and reattach the handle.
Then shut off the upper and lower faucets.
You can also try turning off water supply to house.
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.
If you see water leaking out this means the valve is leaking.
First shut off the water to the leaking water valve.
If it s a cold valve find the main water shutoff for the house usually.
It may just be excess water left over remove all the water so it is 100 dry.
It is very common for this to happen.
There s an easy way to fix it and you may want to give it a try.
To stop the leak or.
However calling a plumber can be expensive.
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.
A water supply valve that won t work or leaks when it is shut can be repaired.
If the valve leak persists turn off the main water shutoff valve then disconnect the valve and replace it.
Next remove the handle from the stem and then loosen and remove the packing nut.
Turn the water heater gas valve back to on or flip on the circuit breakers to the electric water heater.
Avoid gumming up the inside of the shutoff valve.
If you re fixing a hot water valve turn off the hot water outlet on the water heater.
Don t use any pipe dope or plastic tape on the valve stem s threads.
Types of under sink shutoff valves straight shutoff valve.
Shut off the water to the sink.
Then open the water main shutoff valve and let the water run until all the air is out of the pipes.
If the valve won t turn off the water or shut off completely it is likely tha.
Required tools for this project.
If your water supply valve is leaking you may not need to replace it.
Check the new valves for leaks.