The Super Pump® VS Variable Speed Pump is the most energy efficient 115V variable speed pump on the market, offering energy savings of up to 80% over ordinary single-speed pumps. As the only pump of its kind with a super efficient permanent magnet motor, the Super Pump® VS 115V is the most cost effective way to upgrade your equivalent single-speed pump. Because it's an easy drop-in replacement, it's also the simplest.