Vokera 30S Evolve High Efficieny System Boiler

Availability: SKU: EVOLVE30S

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Product Description


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. The evolve family comprises of both combi and system boilers, with a variety of outputs to suit every home’s requirements. A feature rich, state-of-the-art boiler range that will enrich the lives of homeowners and engineers 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.

dimensions of 740mm (H) x 420mm (W) x 275mm (D).



  • Fully compliant with the Energy-related Products Directive. Further efficiency can be achieved when installed with a weather compensation sensor or OpenTherm control.
  • ACC (Active Combustion Control) reduces emissions by adapting the air/gas mix according to the gas quality.
  • Efficiency indicator with on screen display of “High” or “Optimal” efficiency.
  • NG/LPG compatible out-of-the-box, with no additional kit required.
  • 7 year parts and labour warranty.(1)
  • Compact dimensions enable the boiler to be sited almost anywhere in the home, including within a kitchen cupboard.(2)
  • Text driven menu for easy set up and adjustment.
  • Exceptional modulation ratio of 7:1 maximises efficiency and comfort for end user.
  • Designed for easy installation.
  • The easy to use appliance interface and controls permits the end user to view, change and adjust the operating modes of the boiler.
  • Versatile flue options with concentric flue lengths up to 11m.
  • Direct rear flue option, reduces overall installation footprint.
  • Built-in frost protection, protects the appliance from damage during periods of cold weather.
  • Simple commissioning; only minimal adjustments are required after installation and automatic modulation eliminates the need to range rate the boiler.
  • Anti-seize function protects the pump and motorised valve from sticking during long periods of inactivity.
  • Self-start programming protects the pump and motorised valve from sticking during long periods of inactivity.
  • Enhanced Autostop disabling function with four optional modes of operation, including: service reminder, reducing the output of the boiler and moving the boiler into standby mode.(3)


(1) Subject to registration and annual service. (2) Cupboard fit applies to 18S, 24S & 30S (3) Autostop activation device required. 



Vokera Ireland

Vokèra is a leading heating manufacturer, with a product portfolio that includes domestic gas boilers, commercial gas boilers, unvented cylinders, water heaters, solar thermal collectors and air source heat pumps.

Vokèra Limited was established over 35 years ago and has bases across the UK and Ireland, which support every Vokèra installation. Vokèra offers the complete home heating package. With 100% of Vokèra boilers being tested before they leave the factory, the Vokèra brand offers peace of mind with a lifetime reliability. Vokèra, through its parent company Riello Group, is a part of Carrier, a leading global provider of innovative HVAC, refrigeration, fire, security and building automation technologies. Vokèra maintains a firm focus on the needs of the UK and Ireland markets, and is a brand trusted by home owners, installers, merchants and specifiers alike. Looking to the future, our policy of continuous innovation and technological advancement means that our products are leading the market in increased energy efficiency. Vokèra is ISO 9001 approved, supports the ‘Benchmark’ initiative, are members of the Heating and Hot Water Industry Council, the Gas Safe Register and the RGII.