4150 BTUs/6.2 amps/115VDual stage controllerDoes not have a pump. The required flow through the chiller is between 300 gph and 600 gph.10 degree cooling up to 360 gallons. 20 degree cooling up to 181 gallons. 30 degree cooling up to 130 gallons. 40 degree cooling up to 100 gallons. Note: These temperature pull-down ratings are in ideal situations. We highly recommend purchasing a chiller one size larger than the specifications would lead you to believe is necessary. 3/4" or 5/8" ConnectionsTitanium Heat ExchangerBlack aluminum housingBuilt-in Ice Blue LED light turns on when chiller is in cooling modeTemperature Range 50°-85°F for the controllerIntegrated Thermostat Simple keypad programmable display with constant temperature readout accurate to +/- 1 F. 17"L x 13"W x 17"HChillers should not be placed in an enclosed area without adequate air flow