Twin flue boiler technology designed to work without compromise.

  • System 1

    System S30

    A-rated ErP model and easy to install.

    • 30kW output
    • Twin flue up to 27m
    • Up to 7 year warranty
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  • Combi 1

    Combi C30 & C35

    Complete hassle-free home comfort from a single compact appliance.

    • 30kW & 35kW outputs
    • Twin flue up to 27m
    • Up to 7 year warranty
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  • Heat 2

    Heat 2 45 & 55

    Ideal for large homes or light commercial settings.

    • 45kW & 55kW outputs
    • Twin flue up 18m
    • Up to 5 year warranty
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Keston Illustration Pub min

Why Keston?

Discover how everything is possible with a Keston

Why Keston?
  • Accessories & Controls

    Keston Filter Website

    Our range of accessories and controls ensure you get maximum performance and efficiency from your Keston boiler.

    View the range