Pentair 342001 SuperFlo VS Variable Speed Pool Pump, 1 1/2 Horsepower, 115/208-230 Volt, 1 Phase - Energy Star Certified Variable speed technology costs significantly less to operate.Savings based on variable speed pump compared to a single-speed pump running 12 hours per day at an average of $0.16 per kWh in a 20,000 gallon. Ideal for standard pools requiring up to 1.5 hp pump; 110-230v and 50 and 60 Hz capability Real-Time clock with 24-hour memory retention Simple, intuitive user interface is easy to program and operate; easy to access electrical connections for simple installation Three operating speed settings plus override capability