Here, we aren’t talking about leaking from the connection between the valve and the water line (although you don’t need to be a pro to fix that, either), but from the valve itself. How to replace a leaking shutoff valve under a. Complete guide covering prep, repairs, and when to replace it. Here is a brief a summary of how to fix a leaking shut off valve Locate the main water supply valve to your home and shut it off to stop the flow of water. Do you have a water shut off valve leaking when open
OPEN