evacuated tube solar water heater 66 gallon

1.Outer tank diameter: 420mm(47-1.5m)/ 460mm(58-1.8m)/ 480mm (58-2.0m)

2.Outer tank material: PVDF/colorful plate steel

3.Inner tank diameter: 310mm(47-1.5m)/ 360mm(58-1.8/2.0m)

4.Inner tank material & thickness: stainless steel SUS 304-2B & 0.4mm

5.Support stand: Galvanized steel/Alluminum alloy

6.Insulation: 55mm(47-1.5m)/ 50mm(58-1.8m)/ 60mm (58-2.0m) polyurethane foam 
7.Interval: 7cm (47-1.5m) /8 cm (58-1.8m) / 9.5 cm (58-2.0m)

8. Hailstone resistance: 25mm

Our company is a manufacturer of  solar collectors and solar water heaters in China .We have ISO certification and some other related certifications.We always give our customers best price and good quality! We sincerely hope you will be my next business friends.