EcoPump EP-4 Energy Efficient Inground Pump EP-4 is recommended for pools 12,000 to 20,000 gallons. Amps: 7.4 on Vacuum Setting, 1.4 on Circulate Setting Kilowatts Used on Circulation Setting: 0.322 (compare to 2.139 for typical pool pump) Variable Horsepower: 1 - .13 230 volt