solar water heater collector , solar water heater, split solar water heater,CE,EN12975,KEYMARK Product Description Solar Collector Features: Evacuated tubes convert solar energy into thermal ... , 25, 30 ,Length of Tube 1800 mm Outer Tube Diameter 58 mm Inner Tube Diameter 47 mm ... Reflector Ginning Alumnium reflector plate The out cover of the solar connector Zinc coated steel sputtering manifold. Frame ...