1.20pcs vacuum tube absorptive coating 58*1800mm
2.Inner tank stainless steel thickness ≥0.4mm
3.outer tank color steel,thickness ≥0.4mm
4. Insulation :High density polyurethane foam,density 40kgs/m3 thickness :≥45mm
5. Bracket :Aluminum alloy steel ≥1.5mm 30 degree angle
6.assistant tank for automatic water loading