Combi boiler with detailed text display and an intuitive menu structure for rapid diagnosis, fault-finding and commissioning. Supplied with aluminium silicon heat exchanger. Black finish. Max. Domestic Hot Water Output: 40.8kW Max. Central Heating Output: 33.7kW Aluminium Silicon Heat Exchanger Top Flue Outlet Compatible with Solar Panels 8 Year Manufacturers Guarantee (Registration Required, T&Cs Apply) 114,984.4BTU Touchscreen Display Max. Domestic Hot Water Output: 40.8kW Max. Central Heating Output: 33.7kW Aluminium Silicon Heat Exchanger Top Flue Outlet Compatible with Solar Panels 8 Year Manufacturers Guarantee (Registration Required, T&Cs Apply) 114,984.4BTU Touchscreen Display