... workmanship to guarantee the decent appearance5. Certificate: solar key mark, EN12975, CCC, CE, ISO6. Can connected with the exsiting oil ... *355*275CertificateEN12975-SOLAR KEYMARK,SRCC,EN12975-SOLAR KEYMARK,SRCC,EN12975-SOLAR KEYMARK,SRCC,EN12975-SOLAR KEYMARK,SRCC,EN12975-SOLAR KEYMARK,SRCC, Material Vacuum ... 2012 type split pressurized solar water heater (with SRCC,EN12975,Solar keymark Certificate