How To Turn Off Hot Water Heater Valve. Also, when you turn off your water heater when on a vacation, you only meet more problems. Shut off the gas valve.
You create more problems by turning off the water heater between uses and back on within short periods of time. In other cases, turning off your water heater may be desirable, but not necessary, like in the case of a leak. Just pull the lever down, as indicated, to shut off the water to both hot and cold.
There are four steps to properly shutting down a gas hot water heater:
You create more problems by turning off the water heater between uses and back on within short periods of time. If you have an electric water heater, you will also need to find the circuit it runs on. Turning off your hot water heater will actually cost you more than if you’d just left it. Shut off the gas valve.