evcauated vacuum tubes solar water heater (YR-470-1800/58-20-SS)

1.  Material of Inner tank:SUS304-2B stainless steel with 0.4mm thickness
2.  Material of Outer tank:SUS304-2B stainless steel with 0.31mm thickness               3.  Magnetic-controlled Al-N-Al splash all glass evacuated heat-collecting tubes, fast heat absorbing and temperature risen
4.  Heat Preservation Layer: 55mm polyurethane integral foaming, superior heat preservation
5.  Material of support: Stainless Steel Profiled Bar with 1.2mm thickness