South Africa 2mm vacuum tube solar geyser

South African solar geyser 2.0mm vacuum tube and 0.8mm inner tank thickness , suitable for SABS certificate ,15 years life Solar water heater is a Non-pressure compact system. It's a most economic system with higher efficiency. Working principle depends on Gravity. It'd be installed on the roof as top as possible to get enough hot water flow pressure. The simple controller can be used to show water temperature, level and control cold water supply or electric element work at preset time.Feature : 1) spray-paint and looks like china paint crust 2) Stable and reliable performance and well wind resistance 3) Vacuum heat-collecting tubes at high temperature with new triangle elements 4) Dual-purpose brackets for both flat and inclined roof 5) Meeting the requirement of washing clothes, abstersion and bathing 6)Economical goodsSpecifications: 1) Thickness of bracket: ,galvanized steel 1.5mm 2)-1 Heat-pipe tube: 58mm x 1.8m x 10pcs - 36pcs 47mm x 1.5m x 10pcs - 30pcs -2 Glass vacuum tube: 58mm x 1.8m x 15pcs - 36pcs 47mm x 1.5m x 15pcs - 30pcs 3) Inner tank: SUS304-2B food grade stainless steel 4) Outer tank: Colorful steel 5) Capacity: 98/110/130/150/180/210/240/300/300L 6) Insulating layer thickness:55mm 7) Inner tank thickness :0.8mm 8) Tank diameter: 470mm/420mm 9) Pressure: 0Pa 10) Heat preservation: 72hrs 11) Hail resistance: 25mm