... (2)high effiency; (3)100-250L; (4)ISO, CE passeed compact pressurized solar water heater, flat plate solar water heater, flat panel ... tank, solar controller and roof bracket. In this "close-coupled" system the storage tank is horizontally mounted immediately above the solar ... ;(2) Simple design, make installation quick and easy;(3) System works under pressure, hot water comes out with pressure, feeling ...