Homeowners trying to keep up with the maintenance of their plumbing system may need to become more familiar with the operation of all their appliances. Your water heater is one appliance you may need to learn how to maintain. According to Popular Mechanics, the purpose of the water heater is to provide heated water for bathing, cooking, and cleaning activities. Since you want to keep those activities available, it will be important for you to know when to repair – or replace your water heater. If you haven’t already done so, schedule a plumbing inspection to determine whether you need…