... 100% in houseAnnual capacity 1000,000setssolar hot waterSolar water heater,solar hot water,solar water heating,solar heatingModel: SL-CLSFeature:1) Collectors ... ) More water can be supplied quickly for your family,from 80L~500L for your choice.4) For the system with double ... Testing pressure: 1.2Mpa)Working principle:Installation Case: Solar hot water heating system,SRCC,Solarkeymark,ISO9001,100L~500L