... 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)130160180220280Qty of tube1518202430absorb area ... ,CCC,Solar Keymark,SRCC,SGS. Feature: 1.work automatically.the cold water will feed by pressure when use2.electric heating hole is on the bottom of the ...