This illustration of a typical home water heater is neatly labeled, showing you the names of different parts like the exhaust vent and the burner. It also illustrates the flow of hot and cold water through the heater. These are good things for any homeowner with a water heater to know.If you spot any of them, visit this website http://www.rosenthalplumbing.com/water-heater-repairs to learn more about tankless water heater repair in Aptos.