... Split Solar water heater 2 copper coils, high pressure 2. Heat pipe vacuum tube 3. ISO, CE, CCC 4. SUS304 inner tank Split solar water heater 2 copper coils system ... two copper coil exchanger can be set in the tank.5. Heat the top water instantly, there ... without sunshine hot water can also be used.8. Capacity:100L,150L,200L,250L,300L,400L,500L. Domestic high pressure heat pipe Split Solar Water Heater ...