non-pressure solar water heater: 1.High efficiency. 2.cheap and reabile solution,simple structure,easy ... . 3.Outsta non-pressure solar water heater:1.Vacuum Tube Specifications:Dia 47x1.6,Dia58x1.8,Dia58x2.12.Water Tank Liner: Imported ... ,24,30,366.Capacity:95L-208L7,Elegant design8.Light area: 1.24m2-4.30m29.Cheap and reliable solution, simple structure,easy ...