1. Inner tank: SUS304 (food grade) with 0.5mm thickness. All machine welding.
2. Outer tank: SUS304 with 0.5mm thickness.
3.
4. The thickness of polyurethane foam is 55-60mm.
5. It uses heat pipe to transfer heat energy, there is no water in the vacuum tubes, and it can be used in all climates.
6. Automatic water supply, could supply water self-acting without any other installation and could able to be pressured.
7.Quantity of the tube:16,20,24
8.Diameter of outer tank:480mm
9.Diameter of solar tube:58mm
10.Length of solar tube:1.8m