... the water in the tank is gradually heated.Solar Collector Technical Specification: Manifold Casing Material: AluminumFrame ... Silicon Rubber Test Pressure: 10 bar Collector Mounting Flat Roof/Inclined Roof Mounting Angle: 15-50C Model nameS01-10S01-15S01 ... *275CertificateEN12975-SOLAR KEYMARK,SRCC,EN12975-SOLAR KEYMARK,SRCC,EN12975-SOLAR KEYMARK,SRCC,EN12975-SOLAR KEYMARK,SRCC,EN12975-SOLAR KEYMARK,SRCC ...