This 5HP Berkeley high volume centrifugal pump is a single phase pump with high volume impellers. Berkeley is known world-wide for their high performance and reliable, continuous duty pumps. 230 volts. Draws 28 amps. Has 4 inlet and 3 outlet. Pushes 450 GPM at 30 head, 420 GPM at 35 head, 380 GPM at 40 head, 300 GPM at 45 head. One year limited manufacturers warranty. Weighs 220 lbs. Must ship via motor freight. Please note: above listed performance is Gallons Per Minute, not Gallons Per Hour.