Whether electrical or gas, water heaters play a key role in the home. The good thing about them is that they require very simple maintenance procedures in order to keep running properly and efficiently. While they can last for over a decade, annual maintenance can extend the life of the water heater and help the owner to save money. While carrying out the maintenance of the Bergen County NJ hot water heater, you should be careful as you will be dealing with gas or electricity. Read the instruction on the tank for turning off the electricity or gas.