ALL AXE ELECTRIC HEATED MACHINES ARE TUNED FOR OPTIMUM WATER HEAT UP TIME AND OPTIMUM WATER HEAT RECOVERY TIME. WITH WATER TEMPERATURES REACHING  190 DEGREES WATER EVAPORATION CAN OCCUR QUICKLY, AND WHILE YOU ARE BUSY DOING OTHER IMPORTANT TASK YOUR AXE ELECTRIC HEATER IS BEING MONITORED BY A LOW WATER CONDUCTOR THAT WILL AUTOMATICALLY TURN THE POWER OFF TO THE HEATER SHOULD THE WATER LEVEL DROP BELOW THE ELEMENT. THIS STANDARD FEATURE WILL SAVE YOU MONEY AND MUCH AGGRAVATION.