A gas condensing storage combi boiler with integral enamelled loading cylinder or DHW cylinder with internal indirect coil, with a rated heating output 1.9 to 32 kW. A visually attractive heating centre that corresponds precisely to standard kitchen unit dimensions for easy integration. Additional features & benefits: |Standard efficiency: 98 % (Hs). |Modulation range up to 1:17. |Quiet operation due to low fan speed. |Integrated WiFi interface for internet connection. |Energy cockpit for visualisation of energy generation and energy consumption. |Energy efficiency class: A. |3 year warranty as standard |5 year warranty if fitted by a Viessmann Trained Installer. |10 year warranty option (chargeable when registered through the Viessmann Installer Portal.