Hayward SP26115VSP Super Pump VS 0.85 HP Variable-Speed Pool Pump, Energy Star Certified Designed to replace existing 115V single-speed pumps without the need for electrical upgrades Right-sized for a faster payback as compared to oversized and more expensive variable speed models and exceptionally quiet compared to single speed pumps Built with an energy saving permanent magnet motor for up to 80% energy savings over ordinary single-speed pumps Integrated, programmable, rotatable digital interface with 24-hour clock and up to 8 custom timer functions Can be connected to any automation system using relay controls. Refer to the PDF attached below in Technical Specification for User Guide