Fittings are 3/4 in. 120 V / 60 Hz / 360 W / 3 Amps. Pump Size: Minimum 264 GPH/Maximum 660 GPH. Use with a pump filter bag (product #728188 or #728190). Dimensions are 17.13 in W x 11.61 in D x 18.5 in H and weighs 42.5 lb. EcoPlus 1/2 HP Chiller Fight warm water problems with an EcoPlus® 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° to 90°. Anticorrosive pure titanium evaporator. Includes overcurrent protection system and memory protection. Max water volume of 132 gallons. Recommended pump size 317—793 GPH. Includes plumbing connections of 3/4 in male NPT with hose fittings. 120 V at 4.4 Amps. Dimensions are 21 in W x 15.5 in D x 22 in H and weighs 52 lb.