Shutting off the water supply to your water heater is a crucial step before performing maintenance or repairs. By isolating the water heater from the main water supply, you can safely drain the tank, replace components, or service the unit without flooding your home.
There are two main water supply lines connected to your water heater: the cold water inlet and the hot water outlet. To shut off the water supply, you will need to locate the shutoff valves for both of these lines. The valves are typically located near the base of the water heater, either directly on the unit or on the nearby pipes.
