Fight warm water problems with an EcoPlusﾮ Water Chiller! Digital control system for accurate, stable water temperature that helps to keep your reservoir cool. Environmentally safe, freon-free R134a refrigeration system that has high energy efficiency. Will chill the water from 37-90 degrees. Anticorrosive, pure titanium evaporator. Includes over current protection system and memory protection. Max water volume of 132 gallons. Recommended pump size 317 to 793 GPH. Includes plumbing connections of 3/4 in male NPT with hose fittings. 120 volt at 4.4 amps.