compact non-pressure solar water heater the tank capacity can be from 150L to 350L the whole system is installed on the roof..

ST model  (compact non-pressure solar water heater )

1. Inner tank material:  SUS304-2B food grade stainless steel,0.4mm

2. Outer tank material: PVDF steel

3. Bracket: 1.5mm zinc coated plate

4. Vacuum tube; 58mm diameter, 1800mm length ,

5. Insulation layer: 50-55mm polyurethane foam.

6. Obliquity of the bracket:  38degree or 45 degrees

7. Heat preservation: 72-80 hours

8. Hail resistance: 25mm

9.a 1.5kw assistant electric heater can be selected to install .

solar water heater