electric water-heater tank [1]
				 
					
					
					
						high-temperature cutoff 
						Mechanism cutting off the flow of electric current when the temperature of the water exceeds a set value.
				  	
 
					
						overflow pipe 
						Pipe through which water escapes when maximum pressure is exceeded.
				  	
 
					
						pressure relief valve 
						Device for lowering the pressure inside the tank by releasing excess hot water.
				  	
 
					
						drain valve 
						Device for emptying water from the tank.
						
				  	 
					
						electric supply 
						Point where the hot-water tank connects with the household circuit.
				  	
 
					
						access panel 
				  	 
					
						upper thermostat 
						Device that senses changes in temperature and automatically switches the upper heating element on or off.
				  	
 
					
						hot-water outlet 
						Outlet pipe for hot water flowing into the hot-water circuit.
						
				  	 
					
						cold-water supply 
						Inlet pipe for cold water to the tank.