Specification: Inner Tank: Stainless Steel SUS304 2B Outer Tank:Stainless Steel SUS304 2B Glass Tube Dimensions:58mm*1.8M Heat Preservation:72hrs Hail Resistance:25mm Advantage: Strong adaptability Wide application occasions High degree of automation Economical and practical Environmental conservation and energy In large-scale projects, auxiliary heating system, computerized controller and pipe cycling system According to the required configuration it can be divided into two types one is vertical and the other is horizontal With large heat collecting capacity and hot water output