solar water heater: 1.SRCC,Keymark,CSA,UL,SABS,CE,ISO approved 2.High pressurized 3.OEM ... whole system.6. Equipped with electric heater, working station, completely automatic cooperation.7. Whenever you need hot water regardless of time ... CIF acceptable Seperated pressurized solar water heater which approved by CSA,Solar keymark,SRCC,En12975