... Solar water heater, high pressure 2. Heat pipe vacuum tube 3. ISO, CE, CCC 4. SUS304 inner tank, 2 copper coils Separate 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 high pressure heat pipe Separate Solar Water Heater ...