Clas System ONE
The Clas System ONE gas condensing boiler boasts our patented XtraTech™ stainless steel heat exchanger for more efficient heating and better reliability. Its 1:7 modulation ratio means it can adapt to provide the desired heating, while simultaneously keeping fuel bills low.
The Clas System ONE is easy to operate through its back-lit display and is compatible with Ariston controls for use with the Ariston Net app and 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
Easy access for any maintenance requirements.
advantages and benefits
- XtraTech™ Stainless Steel Heat Exchanger
- "Auto" function technology
- Comfort function
- High efficiency pump
- 1:7 modulation
