... in houseAnnual capacity 1000,000setssolar hot waterSolar water heater,solar hot water,solar water heating,solar heatingModel: SL-CLSFeature:1) Collectors ... , operating under the pressure.6) Intelligent control and automatic operation.7) Special anti-freezing function,work normally under ... 1.2Mpa)Working principle:Installation Case: Solar hot water heating system,SRCC,Solarkeymark,ISO9001,100L~500L