... 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 ... of solar collector, water tank and workstation. It’s a closed loop solar system. This system is suitable for areas with questionable water quality and ... , there is no need to wait.6. Drinking water quality to promote life quality.7. Back up with electric heater so that in ...