Material and major element of solar water heater:
1. Inner water tank: sus304-2b stainless steel /0.5mm thick
2. Outer water tank: white plate /0.4mm thick
3. Bracket: sus430 stainless steel /1.2mm and 1.5mm thick
4.Solar vacuum tube:
A) size: 47 x 1, 500mm / 58 x 1, 800mm
B) qty: 15 /18 / 20 / 24 / 30 pcs
5.Temperature insulation layer;
5.5cm imported polyurethane, keep same temperature and high pressure foam
6.Tank diameter:460 mm
