... 1, competitive price & good service 2,easyly installation, energy-saves Copper Coil Exchanger Split Pressure solar System Structure:The split solar ... water heater system is composed by heat pipe solar collectors, cylinder water tank, controller, circulation pump, pressure gauge ... , 200L,250L, 300L,400L,500L6) Pressure: 0.6MPa (6 bar) Copper Coil Exchanger Split Pressure solar System