When the photovoltaic panel provides sufficient power, the pump goes through the alignment phase by turning the rotor into the position required for start-up. The S5 Solar Hot Water Pump has a soft start-up feature. It is also an excellent choice for any circulation pump application where conventional power is not available. Furthermore, this pump is perfect for single family home thermal solar systems. The long life brushless motor technology provides a maintenance free and quiet service life. It is efficient and has an extremely low power consumption. The S5 can connect directly to a photovoltaic panel. It can do so without connection to the power grid. The S5 Solar Hot Water Pump works well for most circulation pump applications. These are the specifications of the S5 Solar Hot Water Pump: Description For orders of 100 + units please contact us directly Download PDF for additional information and specifications about the S5 Solar Hot Water Pump Download PDF File View and download STP file Download STP File Specifications: