Energy efficiency: ONE heating condensing technology and thermoregulation accessories boost performance and efficiency up to Energy Class A+. Alteas ONE and Genus ONE are equipped with the innovative ignition system with electronic combustion control and gas adaptability. The system is able to automatically recognize the characteristics of the gas, providing consistent heating performance, advanced control and safety in all conditions.

New Xtra Tech heat exchanger: stainless steel with 142% flow sections compared to the previous version.

Design and technology: Clas One Ext is made with the best materials available: stainless steel, used guarantees high fidelity and a very long life cycle. The proportional fan gives a very stable air supply for a good combustion. The addition of a heating return filter guarantees the protection of the boiler from the accumulation of water impurities, as well as the venting function protects against the accumulation of air. The use of anti-sticking systems prevents frost and scale accumulation not only in the boiler but also in the entire system. The electro-galvanized steel casing, corrosion resistant, protects the boiler from weather conditions.

Comfort: Thanks to Sensys and the external sensor, the AUTO mode avoids temperature fluctuations and peaks, giving a constant temperature for maximum thermal comfort. Very precise power adjustment according to the actual heating need thanks to the 1 : 7 modulation ratio. The Comfort mode gives instant hot water, for 30 after the first draw, eliminating waiting times. with a large hot water exchanger, more hot water is delivered when the Comfort function is active. The larger expansion tank is suitable for large heating surfaces.

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