But not every water heater is the same. They vary in fuel needs, tank type, and whether the system requires an expansion tank. So what is a water heater expansion tank? It's a smaller tank that ...

Electric water heaters are electrically powered devices and may operate as an on demand heater or as a storage tank heater. Atypical electric storage tank heater has two elements, separated by a ...

A standard tank heater can stress your plumbing pipes when thermal expansion causes the hot water to take up more room in the tank. Traditional tank-style water heaters and boilers for home ...