Solar water heater:

1: Tank material:

Inner: SUS 304 stainless steel, thickness is 0.4-0.5mm

Outer: SUS 304 stainless steel, thickness is 0.4mm

2: Tank diameter: Ø 420mm, 460mmm, 480mm

3: frame: Stainless steel, thickness is 1.2mm, 1.5mm

4: Insulation: Polyurethane foam, 50mm-60mm

5: Heat preservation: 60-72h

6: Tank water temperature loss: 4° C-8° C per day

7: Vacuum tube: Ø 47*1500mm or Ø 58*1800mm

Single-element or tri-element vacuum tube

8: Size: 15-36 tubes