Hayward Super II™ Pump W3SP3015X20AZ 1-Speed Up Rated High Performance Pump 2 HP 115/230V. The Hayward Super II Pump is specifically engineered for the demanding requirements of today’s in-ground swimming pool/spa that is equipped with large capacity filters, heaters, and pool cleaning equipment. The Super II is a self-priming pump that incorporates an improved seal and impeller design that will provide many years of efficient, dependable, corrosion-free service. The advanced design provides superior performance while reducing maintenance requirements.