Boiler CLAS HE evo 38 Ariston

Boiler CLAS HE evo 38 Ariston

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24, 30, 38 models with 5yr standard warranty, 8 and 12 year warranty options.
This high efficiency Combi boiler combines the performance, quality and reliability you’d expect from Ariston. Stylish and compact, the Clas HE evo helps to cut energy bills and reduce carbon emissions. The simple controls, backlit LCD display, pressure gauge, time clock and intuitive button layout make it easy to manage warmth and comfort to your home.


  • 5 year warranty (Also available with 8 and 12 year warranty)
  • Output range from 24 to 38kW
  • ‘AUTO’ function technology
  • Stainless steel heat exchanger
  • No hot water cylinder needed
  • High hot water flow rates
  • ’A’ ErP rated for energy efficiency
  • Three temperature zone capability when used with Sensys controller
  • Auto-diagnostic system
  • Anti-frost device
  • Connection kit and filling loop
  • Built in automatic by-pass
  • Range of wired and wireless controls available


The Advanced 'AUTO' function ensures intelligent management of the room temperature whilst guaranteeing maximum energy efficiency and offering energy savings.
By pressing the 'AUTO' button on the control panel, the boiler will automatically choose the ideal output for the central heating circuit by gradually increasing the power of the boiler until the room reaches the set temperature, whilst guaranteeing no excessive peaks.
When used in conjunction with the extensive range of controls, the 'AUTO' function ensures greater levels of comfort and savings are achieved.
With the AUTO function activated and by fitting an outdoor sensor, with one of the modulating controls, savings in excess of 6% can be achieved over a standard condensing boiler without similar controls.

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Boiler CLAS HE evo 38 Ariston

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