Maximize performance while minimizing costs with the Pentair IntelliFlo 3HP Variable Speed with SVRS Ultra Energy-Efficient Pool Pump. With eight programmable speed settings, you'll have the ability to set optimum speed and run times specific to your pool, cutting costs dramatically.Constructed with an ultra-efficient permanent magnet motor that's Totally Enclosed Fan-Cooled (TEFC), the IntelliFlo VS+SVRS is designed to deliver years of operation while working quietly. This design ensures the motor will not draw more amps over time as opposed to single and dual-speed motors saving you money on energy costs.The IntelliFlo VS+SVRS pump is the most efficient and reliable 3 horsepower pool pump offered by Pentair today. The Pentair IntelliFlo VS+SVRS uses 2" plumbing and union connections are sold separately.