A complete system that produces high purity water without pretreatment Advanced design for lower energy costs and water usage Microprocessor controller displays product and feed water conductivity, % rejection, product water temperature, operating hours and a variety of operating status messages and alarms Small footprint conserves valuable floor space 55 or 100 gallon storage tank with sealed lid and pump package UV sterilizer Includes a resistivity monitor with alarm Post submicron filtration 0.2um An end of loop relief valve Storage tank empty pump shutdown