WATER LEVEL CONTROL SYSTEM has electronic Automatic Water Level Controls to monitor and maintain water level in Reservoir. Level Control System will (1) lock-out and prevent operation of Pump System and Heat Source in case of low water condition, (2) lock-out water fill in case of full water condition to prevent overflow of solution onto plant floor and, on Power Washers with optional Auto Rinse Cycle, (3) provide "Rinse Bank" so that each wash load receives a thorough fresh, hot water rinse following wash cycle.