... with compatitive price 2.efficiency 3.Certificate: SRCC S integrated high pressure solar water heater systems1) Header pipe: copper pipe , ... in my website ) 2) Outer tank shell:coloured steel or stainless steel , 3) Inner tank : stainless steel 3042B or 316, ... Outlet: 1/2” or 3/4” water tank:100L~300LHEAT PIPE:58*1800MM,high efficiencyAccessaries:electric heater,controller,magnesiarods1. Flat-plate ...