How do you tell if gas line to water heater is on or off?
How do you tell if gas line to water heater is on or off? The gas valve is on when it is parallel to the incoming gas line. When the valve is turned a quarter turn so that it is perpendicular, then the gas line is closed and the flow of gas is off. Does shutting off gas affect water heater? Re: Can shut off gas damage a water heater? There is absolutely no way that shutting off the gas could cause any problem with the water heater. Is it safe to turn off gas valve? In an emergency, your...