Turn off the water supply To turn off the water supply to the toilet, rotate the shutoff valve clockwise. This valve is typically found on the wall behind the toilet or on the floor. Empty the water ...

Step 2: Drain the water lines. Before you remove the toilet shut-off valve, you’ll need to drain the supply line to prevent the water remaining in the pipe from gushing out onto your bathroom floor.

Shutting off your toilet water supply is easy once you locate the appropriate shut-off valve at your house. 1. Turn off the Shut-Off Valve Behind the Toilet Your shut-off valve is usually located ...