1.Inner tank:SUS304-2B/316L 2.Outer tank :Galvanized Steel 3.Bracket:Galvanized steel 4.Al/N/Al/Cu/SS Integrated Pressurized Solar Water Heater ,solar water heater,heat pipe solar water heater,pressure solar water heating,solar water heating,solar hot water heater,solar heater,solar water,solar Material: Model NameSF-PH solar water heaterInner tank SUS304-2B/316L [1.2mm/1.5mm]Insulation layer ...