It is a non-pressurized solar water heater.

Using thermosiphon system, depending on the different density between solar hot water and cold water, a water flowing cycle is created in the tubes. Hot water flows automatically upwards while the cold water flows down. The water in the storage tank will be heated from this natural circulation.


  1. Easy to install for flat roof and pitched roof, auxiliary heating by electrical heater.
  2. High pressure polyurethane foaming with thickness 55mm.
  3. Stable and reliable performance, well wind resistance.
  4. SUS304-2B inner tank, silicon seals.
  5. Eco and economical, improves the environment and save your fuel cost.