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.