01. Work Pressure are 6Bar.
02. Use heat pipe solar collector, which can deliver the heat energy rapidly.
03. No vent and less heat loss as compared to low pressure model.
04. Because no water introduced into vacuum tube, it can avoid tube breakage in the winter.
05. Every vacuum tube works alone, it can be used in case of occasional tube breakage.
06. Optional fittings such as: Electrical heating element and Magnesium anode.
07. Inner tank with 1.2mm thickness Stainless steel plate(SUS304-2B or SUS316).
08. Outer tank are white galvanized steel.
09. Frame are galvanized coated steel.
10. Suitable for Both hot and cold climate.

Active solar water heater is nature circulation system. No need use any pump. It is very easy for mount on Slope or flat roof.