... : Solar workstation(controller,pump)Features and advantages about this system:l Solar collector and water tank is seperated.l Controlling ... be combined with other heating system,such as diesel heater,wood burner etc as a hybrid heating system,make domestic hot water ... Can be single,double,there or fourWorking pressure: 6 barCan install electric heater to back upSolar CollectorCollector size: can 10,12 ...