How To Safely Turn Off Gas Water Heater. Turn off the power source; To find a water heaters’ gas shut off valve look for a single handle valve that would usually be located at the bottom of the unit about a foot or two out.
Leaks can happen for a number of different reasons: Begin turning on a gas water heater by checking for open water valves or faucets. Usually this will be on the left side as you look at the heater towards the bottom of the heater.
If your water heater is electric, turn off the circuit breaker.
To find a water heaters’ gas shut off valve look for a single handle valve that would usually be located at the bottom of the unit about a foot or two out. Walk through shutting off your water heater before you have to; You shouldn't have any trouble locating it because it's required to be in an accessible location. When the water heater came on to heat up its reservoir, it would cause the water to expand, and therefore pressurize, to the point where the tank or a pipe would rupture.