The Ariston Clas System One 24 comes with an 8-year warranty and a slew of high-end features such as a large backlit display, an energy-saving auto function and an easy-to-use mechanical clock.

• New xtratech stainless steel heat exchanger
• High domestic hot water flow rates
• Auto function technology
• Comfort function
• High efficiency pump
• 1:7 modulation
• Large backlit display
• Includes liquefied petroleum gas conversion kit
• Ariston net compatible
• Lightweight unit starting at 29 kg