... Solar water heater 1.High pressure 2. Heat pipe vacuum tube 3. ISO, CE, CCC 4. SUS304 inner tank, 2 copper coils Split solar water heater ... system is made up of solar collector, water tank and workstation. It’s a ... water can also be used.8. Capacity:100L,150L,200L,250L,300L,400L,500L. Domestic 2 copper coils high pressure Split Solar Water Heater