1. The material of Inner tank is SUS304-2B stainless steel with 0.4mm thickness.

2. The material of Outer tank is galvanized steel with 0.4mm thickness.

3. Heat Preservation Layer is 55-60mm polyurethane integral foaming, superior heat preservation.

4. The material of Stand part is galvanized steel with 1.5mm thickness.

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

6. Rubber seals and rubber ring material is Silicone Rubber.

7. Optional installation angle is 45C.

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