Solar water heater The details of material:
1. Outer tank: Stainless steel-0.4mm/aluminum alloy-1.5mm
2. Inner tank: Pressurized inner tank, red copper pipeline-0.8mm
3. Frame: Stainless steel-1.2mm
4. Insulation: Asbestos
5. Vacuum tube: 47-1500mm/58-1800mm
6. Heat-pipe vacuum tube: Length-1500mm/1800mm, red copper-0.4mm/0.8mm

The characteristic:
1. Blocking design, easy assembled
2. It can be mounted sloping roof and wall without frame
3. The pipeline is made of red copper and conducted by heat transfer medium liquid; Water can't flow in the vacuum tubes and is operated when confined.