Transitioning from a gas to an electric water heater comprises a series of actions. Begin by deactivating the gas supply and discontinuing the gas line from the existing heater. Empty the gas heater of all water and extract it. Then, install the electric water heater according to the manufacturer's instructions, connecting the electrical wiring properly. Power it on, set the water temperature, and properly inspect for leaks to ensure safety. Finally, follow local guidelines to properly dispose of the old gas heater. If uncertain, it's advisable to consider professional help. You can consider Drain Express Inc In Durham, NC for such water heater services.