1.Solar keymark,SRCC,CE,ISO9001-2000 2.high pressurized solar water heater. 3.perfectly combine with architecture Integrated Pressurized Solar Water Heater,Copact Pressurized Solar Water HeaterSystem--SK,SRCC,CE,ISOcapacity(liter)130160180220280FOBshanghai USD Qty of tube1518202430absorb area(m3)2.152.552.823.364.17tank470/370470/370470/370470/370470/370tube(mm)58-180058-180058-180058-180058- ...