1)Inner tank material: Sus304 with 0.31MM
2)Outer tank material: 202 stainless steel with 0.35MM
3)Frame: Zinc coating with 1.0MM
4)Vacuum tubes: 47*1500mm or 58mm *1800mm
We can product according your request.
Features:
Compact non-pressure solar water heater system is a kind of solar water system that solar collector and water tank are connected together with the cylinder storage on the top and collector on the botton. There is no need of pump to push the fluid and no need of pipe line between the collector and water tank. It is a sample and safe solution to get heat power from the sun.