All Stainless Steel Solar Water Heaters With Assistant Water Tank Features:

1) Tube size (D*F): 47*1500mm or 47*1800mm or 58*1800mm or 58*1500mm.

2) Reliable and efficient with twin-glass solar Vacuum tubes.

3) Easy plug-in installation.

4) Outer tank material: Stainless steel, SUS304

5) Inner tank material: SUS304 or SS316L or Enameled Steel food grade stainless steel plate, the thickness is 0.4mm0.5mm0.6mm.

6)Assistant Tank material: Stainless steel SUS304

7) Bracket material: Stainless profiled Steel or Stainless Steel with surface plastic painting.

8) Heat Preservation layer: 55-60mm improved polyurethane integral foaming, superior heat preservation.

9) Temperature when exposed to sun without water: 250, 2.5 hours to boiling if using single tube.

10) Absorb rate: =93%, thermal radiation rate: 6% (100).

11) Optional Electric Heater: 1500W/3000W.

12) Resist 25mm hail, lifespan at least 15 years.

Compact non-pressure solar water heater.