Regular Gas Boilers

Clas One R

The Clas ONE R regular gas condensing boiler boasts Ariston’s patented Xtratech™ stainless steel heat exchanger for more efficient heating and better reliability. A great replacement in open vented systems, its compact dimensions are perfect for installation inside a cupboard. And for additional peace of mind, it comes with an 8 year warranty as standard.

Super energy efficient with 'A' class ErP rating.

The ‘Auto’ function monitors the temperature of your heating system and adjusts your boiler's operation accordingly – reducing peaks in flow temperature and thereby optimising energy efficiency.

Super silent operation

Compact Italian design

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advantages and benefits

  • XtraTech Stainless Steel Heat Exchanger
  • "Auto" function technology
  • 'A' ErP rating
  • Auto-diagnostic system
  • 8 year warranty
Clas One R
discover its features
  • ARISTON PER4MANCE SYSTEM

    4 technologies for an exclusive performance: - XtraTechTM stainless steel heat exchanger - Absolute Efficiency: A energy class - Full control, full comfort - Always connected with Ariston NET

  • DURABLE HEATING

    ONE condensing technology ensures reliable performance for the best comfort at home, every day. Our XtraTechTM heat exchanger is designed with wider pipes, resulting in an improved water flow and enhanced heating performance.

  • ABSOLUTE EFFICIENCY

    The innovative ignition system in our ONE Series boilers delivers consistent heating performance, advanced control and safety in any environment. Plus, ONE condensing heating technology and thermo regulation accessories enhance efficiency, while achieving performances of up to A+ energy class.

  • FULL CONTROL, FULL COMFORT

    Our ONE Series boilers boast a unique set of innovative smart functions for simple and stable temperature setting and lots of customisation options to satisfy all your needs. Features include our 'Auto' and 'Comfort' functions as well as in-built timer-programming.

  • SMART CONNECTIVITY

    With the Ariston NET app you can set, change and control your heating, and hot water temperatures at any time, from your smartphone or PC, wherever you are.

  • ITALIAN DESIGN

    The design of the ONE Series merges elegant esthetics, new materials and technological user interfaces for an even more comfortable experience. The modern display boasts easy temperature management, while the compact structure has been designed to guarantee easy access to internal components while offering compact dimensions.

Clas One R
discover its features

ARISTON PER4MANCE SYSTEM

4 technologies for an exclusive performance: - XtraTechTM stainless steel heat exchanger - Absolute Efficiency: A energy class - Full control, full comfort - Always connected with Ariston NET

DURABLE HEATING

ONE condensing technology ensures reliable performance for the best comfort at home, every day. Our XtraTechTM heat exchanger is designed with wider pipes, resulting in an improved water flow and enhanced heating performance.

ABSOLUTE EFFICIENCY

The innovative ignition system in our ONE Series boilers delivers consistent heating performance, advanced control and safety in any environment. Plus, ONE condensing heating technology and thermo regulation accessories enhance efficiency, while achieving performances of up to A+ energy class.

FULL CONTROL, FULL COMFORT

Our ONE Series boilers boast a unique set of innovative smart functions for simple and stable temperature setting and lots of customisation options to satisfy all your needs. Features include our 'Auto' and 'Comfort' functions as well as in-built timer-programming.

SMART CONNECTIVITY

With the Ariston NET app you can set, change and control your heating, and hot water temperatures at any time, from your smartphone or PC, wherever you are.

ITALIAN DESIGN

The design of the ONE Series merges elegant esthetics, new materials and technological user interfaces for an even more comfortable experience. The modern display boasts easy temperature management, while the compact structure has been designed to guarantee easy access to internal components while offering compact dimensions.

Technical data

15

24

Efficiency

ERP rating - heating/DHW

A Rating

A Rating

ERP data - seasonal space heating efficiency

93 %

94 %

ERP data - noise level

50 dB

50 dB

SEDBUK rating

A Band

A band

SAP efficiency 2009/2012

89.1 %

89.5 %

Power & Performance
Characteristics
Electrical Data
Product Codes
more information clas one r front_web_1_
Clas One R
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Having read the Privacy Policy above, aware that my consent is purely optional, as well as revocable at any time, I give my consent to the processing of my data for the Company to send promotional / commercial communications and to carry out marketing activities in the manner and in accordance with the provisions of the Privacy Policy. privacy's information

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Technical data

15

24

Efficiency

ERP rating - heating/DHW

A Rating

A Rating

ERP data - seasonal space heating efficiency

93 %

94 %

ERP data - noise level

50 dB

50 dB

SEDBUK rating

A Band

A band

SAP efficiency 2009/2012

89.1 %

89.5 %

Power & Performance
Characteristics
Electrical Data
Product Codes
more information clas one r front_web_1_
Clas One R
Message
Email
Phone

I accept the privacy's information

Gives consent

Having read the Privacy Policy above, aware that my consent is purely optional, as well as revocable at any time, I give my consent to the processing of my data for the Company to send promotional / commercial communications and to carry out marketing activities in the manner and in accordance with the provisions of the Privacy Policy. privacy's information

Gives consent
denies consent