... activated to provide adequate hot water.Advantages:1) Integrated with the buildings: collectors and tank separated, make solar heaters and buildings combine perfectly ... Intelligent control and automatic operation;3) Work under high pressure: can operate with pressure up to 0.6Mpa, It can be installed at ... 12, SH-15, SH-18, SH-20, we have had Solar Keymark certificate. Split pressure solar water heater