Compact regular boiler suitable for small and medium-sized homes. May be installed in a standard kitchen cupboard. The boiler can be used with the high efficiency Greenstore range of cylinders. Max. Central Heating Output: 12kW Aluminium Silicon Heat Exchanger Top Flue Outlet Compatible with Hot Water Storage Cylinder Compatible with Solar Panels 7 Year Manufacturers Guarantee (Registration Required, T&Cs Apply) 40,944BTU LED Indicators Max. Central Heating Output: 12kW Aluminium Silicon Heat Exchanger Top Flue Outlet Compatible with Hot Water Storage Cylinder Compatible with Solar Panels 7 Year Manufacturers Guarantee (Registration Required, T&Cs Apply) 40,944BTU LED Indicators