Collector with frame and back made of anodized aluminum. Collecting surface with blue selective coating made of 0.5mm thick selective aluminum sheets, welded using laser technology. Hydrostructure entirely made of copper.

Insulation made of glass wool on the back with a thickness of 50mm and stone wool on the sides with a thickness of 20mm.

• Absorption coefficient a ≥ 0.95 ± 0.02
• Emission coefficient of the selective surface ε ≤ 0.05 ± 0.02

Galvanized iron angle base. Hot water Storage Tank: thermal vessel made from special steel DIN 1203-St 37-2 2.5mm enamelled according to DIN 4753 Part 3 enamel. Heat exchanger made of special steel.

Insulation of the thermal vessel made of polyurethane with a density of d≥40kg/m³. External casing MALTEZOS SUNPOWER made of steel with special anti-corrosion protection.