... gas or electric heater 6. Max. Pressure: 12bar; Operating Pressure: 6 bar7. It can be used for other function, such as warmingSplit pressurized solar water heater ... collector tube3.3 Borosilicate glass with SS-ALN(L)/ALNor CU/SS/ALN coatingThickness of glass tube1 ... screwTank capacity100L,150l,200L,300L,500L,800L,1000LSolar collector10/12/15/18/20/24/30 tubesOEMProvideWorking stationSP116,SP228Heat ...