How To Turn Off Gas Water Heater When It's Leaking. When the water heater leaks. Turn off the power to the leaking water heater.
You can also shut off the cold feed valve just to ensure no water is siphoned out of the tank if cold water is also used with the tank off. When the water heater leaks. This is the very first thing you should do when you find a hot water leak.
First, turn off the water heater.
For a gas water heater, turn off the gas. Turn the handle on the water valve clockwise until it stops. Turn off your power supply. After the power is taken care of, you should also turn the water off.