evolve C

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Outputs: 24 – 28 – 24 – 28 – 42

The evolve C combines a high specification with efficiency and comfort.
We’ve taken everything we have ever learned about design, performance and servicing and combined all that knowledge into one superior, cutting-edge boiler range. Our feature rich, state-of-the-art evolve C boilers will enhance the lives of engineers and end-users alike by providing warmth, comfort, efficiency and long-term performance, coupled with ease of installation. It all adds up to our best boiler range to date.


  • Fully compliant with the Energy-related Products Directive – 94% space heating. Further efficiency can be achieved when installed with a weather compensation sensor or OpenTherm control
  • A+ space heating with BeSMART internet connected thermostat
  • 10 year warranty as standard
  • Five output options – 24 to 42kW
  • High hot water flow rates up to 17.2 l/min
  • Natural gas or LPG out of the box
  • Compact dimensions enable the boiler to be sited almost anywhere in the home, including within a kitchen cupboard (24C & 28C models)
  • Features an excess carbon monoxide monitor. In the unlikely event of excess CO being detected the evolve will shut down and not run until the issue has been resolved
  • Liquid display user interface with full text menu system, enabling both the installer and end user to quickly navigate through evolve’s parameters and settings
  • evolve S system boiler also available

Vokèra evolve: How to video series

If you want to learn more about our boilers or want to change some settings on an existing evolve boiler, we have put together a series of handy how to videos. Click here to view them on the Vokèra by Riello YouTube channel.