To avoid confusion over debits and credits, avoid thinking of them in the way that they are used in everyday language, which often refers to a credit as increasing an account and a debit as decreasing an account. For example, if our bank credits our checking account, money is added to it and the balance increases.
One way to reduce the frequency of this occurrence is to maintain an air pocket at the top of the water heater tank. This air pocket will form in the tank by design - however, it will be reduced over time by the everyday use of your water heater. To replenish this air pocket: Turn off the water heater.
By scheduling annual draining and flushing of the tank and other inspections, you can extend the life of the water heater and save yourself money and unexpectedly cold showers. 1  1. How to Make Your Water Heater Last Water heaters have a few main components âthe thermostat and the water tank. All water heaters will also have an inlet pipe for cold water, and outlet pipe for hot water. Besides, a gas water heater will have a pilot light and a temperature and pressure valve. An electrical water heater will have a heating element while a gas water heater will have a burner. To ensure that your water heater lasts longer you need to protect all of these parts. If the tank of the water heater is corroded, it needs to be replaced to prevent leaks and water floods.