Unpressurized solar water heater - SN1101

Non-pressurized solar water heater:
1)The vacuum tube are to plate copper and stainless steel or to plate copper, stainless steel and aluminum. Glass material to use high borosilicate.
(type: 47mm*1500mm, 58mm*1800mm 12, 15, 18, 20, 24, 30, 36tubes capacity: 130-250L)
2)Outer water shell are galvanized steel, color steel, pearly-lustre board, stainless steel or titanium trifluoride board. Adoption argon-arc welding.
3)Inner tank material is adoption SUS304-2B food grade stainless steel. (0.4mm thickness)Hot water will not go bad although stop over several days. Water quality to reach drinking water standard.
4)Insulation layer is adoption 60mm polyurethane overall foaming at same temperature and high pressure. Temperature preservation can last for 72 hours.
5)Airproof cushion rubber is adoption excellent quality edible silastic. It's reliable and have long performance life.
6)End cover of the outer tank is adoption galvanized board pressing molding once only and color spraying plastics on the surface. High strength and long-lived.
7)Bracket material is adoption high strength aluminium alloy and tooling or high strength stainless steel. It have rust prevention and ageing resistance. It's stable and durable.
8)To deploy new type electric assist heater. Water temperature is well-distributed and more safe and reliable. It to prevent creepage and dry combustion. No incrustation and rust prevention and to resist thermal shock. It solve the problem that have no hot water on overcast and rainy, equal to have a same capacity electric water heater at the same time.
9)Packing is normative cardboard box and foam.
10)Our company products already through CE certification, ISO9001 certification and 3C certification. We are guarantee 3 years international responsibility for free repairing or exchange due to original quality problems.