The split solar water heating system is such a system that separates the heat collector from the water tank, and transfers solar energy collected by the heat collector to the water tank for the hot water through the natural or forced cycle of medium. Himin domestic split solar water heating system has merits of large water storage, good heat-collecting effect, long insulation, intelligent operation, load-bearing operation, and convenient and reliable use. So it is the ideal selection for home water heating scheme.