Ariston Andris Lux ECO 15 O 2.5kW EU 15 Litre 2.5 kW Oversink Water Heater 3100721 The Andris Lux Eco from Ariston is a small unvented electric heater, it has the encompassing leading Italian design along with great energy efficiency,Durability,Usability and safety. This premium model also contains new features such as anti-legionella and anti-overheating functions This is available in 10 and 15 litre models, all of which have 2.5kW. elements. This premium models is ideal for a variety of specification-Led locations, such as commercial properties, Building sites, Kitchens, Bathrooms and offices. These water heaters feature Aristons 'Eco Evo' Function- A new electronic control with automatic learning software, this allows users to achieve up to 15% of energy savings. 4 year tank warranty, 1 year on electrical components 2.5kW Achieve energy savings up to 15%