ATTENTION THE ABOVE BOILER WILL BE SUPPLIED EXCLUSIVELY WITH METHANE WITH THE STANDARD TRANSFORMATION KIT. FOR INFO, CONTACT THE AUTHORIZED AREA ASSISTANCE CENTER IN ADVANCE ARISTON CLAS ONE CONDENSING BOILER IN 25 METHANE/LPG FOR BUILT-IN COMPLETE WITH FUME KIT - NEW ERP Article number: 3301331 Characteristics: Max/min rated heat input (heating) PCI: 22-3.7 kW Nominal heat input max/min (sanitary) PCI: 26-3.7 kW Max/min useful heat output (heating): 21.5-3.5 kW Efficiency at nominal heat input (60/80°C) PCI: 97.6% Efficiency at nominal heat input (30/50°C) PCI: 106.1% Efficiency at 30% (30°C) PCI: 109.8% Max/min heating temperature (high temperature): 82-35°C Max/min heating temperature (low temperature): 45-20°C DHW max/min temperature: 60-36°C Quantity of hot water (deltaT 25°C): 14.5 l/min Quantity of hot water (deltaT 35°C): 10.4 l/min Specific flow rate (first 10' with deltaT 30°C): 12.1 l/min minimum operating temperature (-20°C with antifreeze kit) -15°C Power supply voltage/frequency V/Hz 230-50 Total absorbed electric power: 85,6,7W Degree of protection of the electrical system IP X5D Dimensions mm (HxWxD) 1140 x 590 x 240 Installation: Recessed Power supply: methane/LPG Energy label specifications according to the European ErP directive Class A heating energy efficiency (A+ achieved thanks to thermoregulation) Sanitary energy efficiency profile XL Class A Functionality: Wi-Fi optional XtraTech™ stainless steel primary exchanger AUTO, Comfort functions Indoor installation and partially protected places New XTRATECH heat exchanger: XtraTech is the new Ariston exclusive stainless steel heat exchanger, the heart of the ONE condensing boilers, developed to ensure reliability and performance over time. Increased passage sections: +142% compared to the previous exchanger. Higher prevalence, lower risk of clogging, better performance. Every day, as if it were the first. Every single component has been designed to guarantee performance and durability over time: Ariston guarantee, shown in each component. Every single component has been rigorously tested and controlled on the production line. 100% of the boilers are tested again before being shipped to our customers. The best materials have been selected, to work for a long time even in the most critical situations. Excellent results, over time. Absolute efficiency: Thermoregulation in class A+ The ONE condensing boilers achieve very high seasonal performance and thanks to the thermoregulation they reach class A+! Total Comfort: Innovative functions to meet your needs ONE is equipped with an innovative set of smart functions to guarantee comfort every day with minimum waste of energy. Auto function: Patented function that allows you to automatically optimize the operation of the boiler, eliminating continuous switching on and off, reducing the stress on the components to a minimum. Comfort function: Hot water without any waiting! Lots of water with minimum energy consumption. Integrated Programming: Weekly hourly programming integrated into Alteas and Genus ONE products. Class ONE IN Built-in condensing boiler with auto function Characteristics XtraTech heat exchanger in exclusive Ariston stainless steel, with high head Exchanger passage sections +142% compared to the previous version Modulation ratio 1:7 BusBridgeNet communication protocol AUTO function, Comfort Class A+ in heating thanks to the Sensys system manager and standard external probe Minimum operating temperature down to -20°C Semi automatic filling Built-in unit in electro-galvanized sheet (to be ordered with separate code) Smoke outlet 80, 60, 50 mm HIGH EFFICIENCY Product characterized by high energy performance, reduction of consumption and polluting emissions. MODULATION RATIO Automatic regulation of the power according to the heating request MODULATING CIRCULATOR Modulating circulator for optimizing consumption and maximizing performance SYSTEM MANAGEMENT New communication protocol set up to ensure complete system management. MADE IN ITALY Made entirely in Italy AUTO FUNCTION Maximum comfort, efficiency and energy savings based on the automatic analysis of the environmental conditions, connected external devices and required performance OUTDOOR I NSTALLATION Possibility of outdoor installation thanks to all the weather protection devices COMFORT FUNCTION It speeds up hot water dispensing in two modes: Comfort Plus Mode (always hot water in just 5") and Comfort Mode (hot water for 30' after the last tap). EXTRA SMALL SIZE Very small footprint to adapt to any space problem Product Guarantee All products for sale on our site are new and packed. The warranty on this item is 24 months from the date of purchase

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