The Worcester Bosch Greenstar 8000 Style 40kW Combi Gas Boiler is a condensing combi boiler for large homes with up to 18 radiators and 2-3 bathrooms. It provides a hot water flow rate of 16.3 l/min at 35°C and a 94% efficiency rating (ErP A-rated). Measuring 780x440x365mm and weighing 47kg, it’s wall-mounted with a sleek design. It includes a 1:10 modulation ratio, a stainless steel heat exchanger, EasyControl, and a full-colour display. It supports natural gas and offers an 8-year warranty, extendable to 12 years with a filter and Excelerate installer. Suited for large, style-focused homes.