TECHNICAL DATA SHEET
Ariston exclusive XtraTechTM stainless steel exchanger with high head
*Exchanger passage sections +142% compared to the previous version
*Ignition system, electronic combustion control
Gas conversion from the technical menu
*Modulation ratio 1:10
*Integrated Ariston Net connectivity as standard
*BusBridgeNet® communication protocol
*AUTO and Comfort function
*A+ class in heating thanks to the Sensys NET system manager and external probe as standard
*Minimum operating temperature down to -20°C
*Semi-automatic filling
*Built-in unit in electro-galvanized sheet metal (to be ordered with separate code)
Ariston Genus One Net IN 25 KW Methane/LPG Condensing Boiler Complete with Flue Gas Exhaust Kit, WI-FI Included, Code 3301226
Nominal heat input max/min (heating) PCI: 22-2.5 kW
Nominal heat output max/min (domestic hot water) PCI: 26-2.5 kW
Max/min useful thermal power (heating): 21.5-2.3 kW
Efficiency at nominal heat output (60/80°C) PCI: 97.7%
Efficiency at nominal heat output (30/50°C) PCI: 106.7%
Efficiency at 30% (30° C) PCI: 109.7%
Max/min heating temperature (high temperature): 82-35°C
Max/min heating temperature (low temperature): 45-20°C
Max/min sanitary temperature: 60-36°C
Quantity of hot water (deltaT 25°C): 15.4 l/min
Quantity of hot water (deltaT 35°C): 11 l/min
Specific flow rate (first 10' with deltaT 30°C): 12.8 l/min
minimum operating temperature (-20°C with antifreeze kit) -15°C
Power supply voltage/frequency V/Hz 230-50
Total absorbed electrical power: 84.7W
Electrical system protection rating IP X5D
Dimensions mm (HxWxD) 1140 x 590 x 240
GENUS ONE NET IN 
XtraTech stainless steel
Connectivity as standard: with the Sensys NET thermostat
Thermoregulation included: Sensys NET system manager + external probe
Functions: AUTO, Comfort, CARE
Methane, LPG, and propane gas operation without the need for a kit. Conversion occurs thanks to combustion control by selecting the gas type from the technical menu.
New XTRATECH exchanger:
XtraTech is the new exclusive Ariston stainless steel exchanger, the heart of ONE condensing boilers, developed to guarantee reliability and performance over time.
Increased flow cross-sections: +142% compared to the previous exchanger. Greater head, reduced risk of clogging, improved 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 on each component.
Every single component has been rigorously tested and inspected on the production line. 100% of our boilers are tested again before being shipped to our customers.
The finest materials have been selected to last even in the most critical situations. Excellent results over time.
Always connected with Ariston NET
Wherever you are, always within reach of your smartphone. Managing your home comfort has never been easier! Wherever you are, you can control your home climate with your smartphone.
Use only the energy you need. Easy-to-manage weekly schedules, directly from the app. Plus, choose the savings "leaf" for a real reduction in your bill!
Always-on technical support. Thanks to the innovative remote control system, the app alerts your customer in the event of operational problems. By signing a maintenance contract, the Assistance Center can intervene remotely in the event of a fault. Customer peace of mind is at the heart of Ariston NET.
Absolute efficiency: Class A+ thermoregulation
ONE condensing boilers achieve very high seasonal performance and, thanks to their thermoregulation, reach class A+!
Alteas and Genus ONE are also equipped with the innovative IGNITION system, which ensures perfect combustion thanks to electronic control. Gas conversion? No problem, just one touch from the technical menu.
Total Comfort: Innovative features to meet your needs
ONE is equipped with an innovative set of smart functions to ensure comfort every day with minimal energy waste.
Auto Function: Patented function that allows you to automatically optimize the boiler's operation, eliminating continuous on and off cycles and minimizing stress on the components.
Comfort Function: Hot water without waiting! Plenty of water with minimal energy consumption.
Integrated Programming: Weekly time programming integrated into Alteas and Genus ONE products.
Care function: Automatic reminder of routine maintenance.
Genus ONE NET IN 
Top-of-the-range wall-mounted condensing boiler for built-in installation
Ariston exclusive XtraTech stainless steel exchanger, with high head
Exchanger passage sections +142% compared to the previous version
Ignition system, electronic combustion control
Gas conversion from the technical menu
Modulation ratio 1:10
Integrated Ariston Net connectivity as standard
BusBridgeNet® communication protocol
AUTO and Comfort function
Class A+ in heating thanks to the Sensys NET system manager and external probe as standard
Minimum operating temperature down to -20°C*
Semi-automatic filling
Built-in unit in electro-galvanized sheet metal (to be ordered with separate code)
Flue pipe 80, 60, 50 mm
CONTINUE SHOPPING
!