... install 2 environmental and energy-saving 3 certificate: CE,ISO9001:2000 HYDTFLW-5000-Ⅲ type (> 2000W), mainly used in larger solar photovoltaic power systems, typical applications ... , please refer to: application of solar house, solar base station applications, solar bus station applications, solar station applications, solar photovoltaic pumps for water systems. 2kw Solar Energy System