Otherwise you ll might find yourself dealing with a much larger problem that your initial one.
Water valve under sink won t shut off.
Place a folded piece of paper towel on the adjustable wrench jaws or wrap it around the shutoff valve prior to moving.
If your water supply valve is leaking you may not need to replace it.
There s an easy way to fix it and you may want to give it a try.
A water supply valve that won t work or leaks when it is shut can be repaired.
Support see jane dri.
If the valve won t turn off the water or shut off completely it is likely tha.
If there s buildup visible on the water valve pour a little white vinegar on the valve and scrub the buildup away with a wire brush.
First make sure that you shut off the water that supplies the valve you re going to be working on.