The 1/10 HP Elemental H2O Chiller utilizes a microcomputer control system and environmentally friendly R134a refrigerant to maintain a stable, cool temperature in water tanks. The 120V, 170W energy-efficient H2O Chiller has a flow rate of 66.5-410 gph and features a temperature memory system, an anti-corrosive evaporator, auto-restart and an LED display. This unit has a capacity of 13-40 gallons and is recommended for use with water pumps that push 130-280 gph. The H2O Chiller is compatible with 1/2†or 3/4†ID tubing and carries a one-year warranty.