1) Material: a) Inner water tank: imported SUS304 stainless steel b) Outer water tank: galvanized steel alloy or stainless steel c) Bracket: galvanized steel or aluminum alloy2) Solar vacuum tube: a) Size: 47 x 1,500mm / 58 x 1,800mm b) Quantity: 20 / 24 / 30pcs c) Hail resistance: diameter 25mm3) Temperature insulation layer: a) 5cm imported polyurethane, keep same temperature and high pressure foam b) Heat preservation: 72 hours4) Capacity: 200 / 240 / 300 liters5) Tank diameter: 420 / 460 mm6) Max. pressure bearing: 0.6MPa7) ISO9001 / CE certificate8) 3 years' international responsibility for free repairing or exchange due to originalquality problems
Solar Water Heater