Hayward RS II VSTD pump offers a great control of filtration and energy savings signi fi captive for pools of all types and sizes. When it operates 24 about 24 hours can save up to 75% in electricity consumption. The robust engine and highly and fi aware ensures quiet operation and guaranteed longevity. Energy savings: up to 75% savings in electricity consumption. Large acoustic comfort in the operating bases at low speed. simple and intuitive digital interface. 4 digital inputs to allow controlling the pump via an external controller. 180 ° rotating case for convenient access to the user interface. New conduit with easy electrical connection. opening cover back room for easy maintenance. Connection Unions provided, thus ensuring simple installation.