Ideal replacement boiler for the CDi Classic features push-button LCD display, with similar diagnostic codes. Also features the same pipe connections, flue and fixing points for a 'simple switch'. Max. Central Heating Output: 45kW Aluminium Silicon Heat Exchanger Top Flue Outlet Compatible with Hot Water Storage Cylinder Compatible with Solar Panels 8 Year Manufacturers Guarantee (Registration Required, T&Cs Apply) 153,546BTU Backlit LCD Display Max. Central Heating Output: 45kW Aluminium Silicon Heat Exchanger Top Flue Outlet Compatible with Hot Water Storage Cylinder Compatible with Solar Panels 8 Year Manufacturers Guarantee (Registration Required, T&Cs Apply) 153,546BTU Backlit LCD Display