he Keston Combi 2 boiler range offers first-class comfort in a compact, wall-hung appliance small enough to fit inside a standard kitchen cupboard*. Fully modulating and highly efficient, this combi is available in two output options: 30kW and 35kW. The latest range features a new larger and higher resolution colour screen and improved user interface including plain English full-text descriptions. Replacing the previous two-button feature, the latest range now includes four buttons for comprehensive menu navigation and the added ability to scroll back through the menu for time saving installation and servicing.By connecting them to the unique Keston Twin Flue System, the C30 and C35 combi boilers can be situated almost anywhere in your home. While a conventional combination boiler uses a concentric flue and must be installed on an external wall, the twin flue C30 and C35 can be sited up to 27m** from the flue outlet, offering a flexible home heating solution for a variety of domestic installations.*Warranty requires registration on the Keston Installer Connect Loyalty Scheme. 7 Year Warranty only when Keston System Filter is installer at the same time.**For the maximum total equivalent flue length please refer to the installation manual.