Pre-heated solar energy water heater

Product Description Vacuum tube: 47*1500/47*1800/58*1800/58*2100 1.Assistant tank:as water feeder. 2.Electric heater:as backup heating supplier while cloudy or rainy day. 3.Controller:controll the system automatically. Good quality with pretty competitive price. Product Feature Features: 1.It can connect direct to water supply system. 2.Copper coil inside the tank for heat exchange. 3.There is no need to wait , hot water will come out as soon as input cold water. 4.Electric heater option:1.5KW / 2.5KW Product Specification/Models Specifications: 1.Inner tank:SUS304-2B food grade stainless steel with thickness 0.4mm. 2.Outer tank:colored /stainless steel. 3.Vacuum tube:3 target / golden purple vacuum tube with copper coil inside(heat pipe). 4.Bracket:1.4mm thickness. 5.Insulation layer:high-pressure automatic polyurethane foaming layer with thickness 50-55mm. 6.Heat preservation:72 Hours. 7.Hail resistance:25mm. 8.Tank diameter:460mm. 9.Pressure:withstand pressure 0.6Mpa. Payment T/T,LC Delivery 7-14 working days after receiving the payment. Origin China Minimum Order 1 Packaging carton Samples Charge OEM offered