Tank Materials:
Inner tank: SUS304
Inner tank thickness: 0.6mm
Outer tank: SUS 304 or Colored steel
Outer tank thickness: 0.37
Insulation: Imported Polyurethane
Insulation thickness: 50-65
Heat exchanger: Copper coil
Pressure resistance: 0.6mpa

Advanges: Pressured operation. The whole system is easily integrated into the building. From outside, it looks more nice.