1. It is non-pressurized thermosiphon solar water heater with water tank, and is economical as a natural circulation system.

2.The material of inner tank is SUS304 2B food grade stainless steel with 0.4mm thickness.

3.The material of outer tank is galvanized steel with 0.4mm thickness.

4.The material of stand frame is galvanized steel with 1.5mm thickness.

5.The thickness of polyurethane foam is 55-60mm.

6.It uses vacuum tubes, the water could be heated in the tubes directly.

7.It can resist corrosion lead and supply special anti-corrosion layer.

8.It is very popular in torrid zone and warm area, such as Asia, Africa and etc.

9.The installation and maintain is very easy.