electric water-heater tank [2]![click to hear](/images/speaker.jpg)
high-temperature cutoff ![click to hear](/images/speaker.jpg)
Mechanism cutting off the flow of electric current when the temperature of the water exceeds a set value.
overflow pipe ![click to hear](/images/speaker.jpg)
Pipe through which water escapes when maximum pressure is exceeded.
pressure relief valve ![click to hear](/images/speaker.jpg)
Device for lowering the pressure inside the tank by releasing excess hot water.
drain valve ![click to hear](/images/speaker.jpg)
Device for emptying water from the tank.
electric supply ![click to hear](/images/speaker.jpg)
Point where the hot-water tank connects with the household circuit.
access panel ![click to hear](/images/speaker.jpg)
upper thermostat ![click to hear](/images/speaker.jpg)
Device that senses changes in temperature and automatically switches the upper heating element on or off.
hot-water outlet ![click to hear](/images/speaker.jpg)
Outlet pipe for hot water flowing into the hot-water circuit.
cold-water supply ![click to hear](/images/speaker.jpg)
Inlet pipe for cold water to the tank.
insulation ![click to hear](/images/speaker.jpg)
Material placed between the tank and the outer walls of the hot-water tank in order to reduce heat loss.
tank ![click to hear](/images/speaker.jpg)
Insulated reservoir in which hot water is stored; it is usually cylindrical and enameled or glazed.
lower heating element ![click to hear](/images/speaker.jpg)
Coated electric resistor immersed in the lower part of the tank to heat the water.
lower thermostat ![click to hear](/images/speaker.jpg)
Device that senses changes in temperature and automatically switches the lower heating element on or off.
upper heating element ![click to hear](/images/speaker.jpg)
Coated electric resistor immersed in the upper part of the tank to heat the water.
anode rod ![click to hear](/images/speaker.jpg)
Magnesium-coated electrode protecting the tank from the corrosive effects of the water.