Fix a plumbing leak and get your toilet back into service ASAP by DIY-ing a toilet shut-off valve replacement.

How To Install A New Water Supply Line For Your Toilet Begin by shutting off the water supply valve, which joins the supply line and the supply pipe that protrudes from the wall or floor.

Some of the problems you may encounter include insufficient water in the tank for a full flush, a slow-filling toilet, and constant running. But before replacing the fill valve, see if you can fix ...