Type SOHEAT 22 Dimension LxWxH 1970x1846x155 No of tubes 22 Weight 76.5 kg Area 3.64 m2 Absorber coating Aluminiumnitride on Al Flowed through element Copper pipe/Heat pipe Heat pipe condensor diameter 14 mm Transmission of the cover tube > 91% Casing material Aluminium Sealing material EPDM Insulation material Rockwool compression molded Material of glazing Borosilicate glass Thickness of glazing 1.6 mm