This water pump can be used for industry, agriculture, family water circulation and pressurization The shaft of the pump changes from motor seal to closed static seal, so as to prevent any leakage of fluid Submersible pumps is designed for use with water only, completely waterproof. The pump is ideal for solar thermal systems at home or any circulation pump application where conventional power is not available CUSTOMER SERVICES - We strive to provide you with the highest quality product and the best customer experience. If you are not completely satisfied, do not hesitate to contact us at any time.