Garanzia Italiana 24 mesi
SKU: 3302125_MTNCOAX

Ariston condensing boiler CLAS ONE Wi-Fi 35 kW Free smoke kit Methane Integrated WiFi low NOx ErP

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Ariston condensing boiler CLAS ONE Wi-Fi 35 kW Free smoke kit Methane Integrated Wi-Fi low NOx ErP

Technical features

  • Nominal heat input in heating max/min PCI 28.0 / 3.8 kw
  • Nominal heat input in domestic hot water max/min PC 30.0 / 3.8 kw
  • Combustion efficiency (flue gas) % 98.0
  • Efficiency at 30% at 30°C PCI % 109.6
  • NOx class Class 6
  • Maximum heating pressure bar 3
  • Expansion vessel capacity l 8
  • Heating temp. min/max °C 20 / 82
  • Domestic hot water temperature min/max °C 36 / 60
  • Instantaneous quantity of hot water ΔT=25°C l/min 17.4
  • Power supply voltage/frequency V/Hz 230/50
  • Total electrical power absorbed W 88
  • Energy class A
  • Energy class in sanitaryware A
  • XL withdrawal profile
  • Dimensions mm HxWxD 745x400x385


/ Ariston exclusive XtraTech™ stainless steel exchanger, with high head
/ Class A+ in heating achievable with thermoregulation
/ Modulation ratio 1:8
/ Wifi integrated in the boiler
/ LCD display
/ BusBridgeNet® communication protocol
/ AUTO, Comfort function
/ Optimized internal silencer
/ Installation in partially protected places
/ Fume exhaust 80, 60, 50 mm


XtraTech™ is the new exclusive* Ariston stainless steel exchanger, the heart of ONE condensing boilers, developed to guarantee reliability and performance over time.

Increased passage sections: +142% compared to the previous exchanger. Higher prevalence, lower risk of clogging, more 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 every component.
  • Every single component has been rigorously tested and controlled on the production line. 100% of the boilers are retested before being shipped to our customers.
  • The best materials have been selected to work for a long time even in the most critical situations

Always connected with Ariston NET

  • Wherever you are, always within reach of your smartphone. Managing the comfort of home has never been so simple! Wherever you are, you can control the climate in your home using your smartphone.
  • It only uses the energy it needs. Easy to manage weekly time programming, directly from the app. Furthermore, choose the savings "leaf" for a real reduction in bill costs!
  • Always ON technical support. Thanks to the innovative remote control system, the app alerts your customer in case of operating problems. By signing a maintenance contract, the Assistance Center will be able to intervene in the event of faults even remotely. Customer peace of mind is at the center of Ariston NET.

Absolute efficiency: Thermoregulation in class A+

  • ONE condensing boilers achieve very high seasonal performance and thanks to thermoregulation they reach class A+!
  • Alteas and Genus ONE are also equipped with the innovative IGNITION system, which makes combustion always perfect thanks to electronic control. Gas transformation? No problem, from the technical menu in just one touch.
  • Total Comfort: Innovative functions 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 operation of the boiler, eliminating continuous switching on and off and reducing the stress on the components to a minimum.
  • Comfort function: Hot water without any waiting! Lots of water with minimal energy consumption.
  • Integrated Programming: Weekly hourly programming integrated into the Alteas and Genus ONE products.
  • Care function: Automatic reminder of routine maintenance.

Product Warranty
All products for sale on our site are new and packaged. The warranty on this item is 24 months from the date of purchase.

Scheda Tecnica

  • peso: 35.0 kg
  • classe energetica produzione acs: A
  • classe energetica riscaldamento: A
  • gas: Methane
  • marca: Ariston
  • metri quadri : 250
  • modello: CALD_2408
  • potenza in kw: 35
  • potenza nominale: 35
  • superficie riscaldabile mq: 250
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