The Worcester Greenstar Danesmoor External 12/18 System Oil Boiler is a high-efficiency, floor-standing oil-fired boiler designed for external installation in small to medium-sized homes. It is suitable for properties with stored hot water and a sealed heating system. The boiler features a robust, weatherproof cabinet for reliable performance in harsh weather conditions and includes built-in frost protection. It has a heating output of 18 kW and an A rating for energy efficiency under the ErP scheme. The dimensions are 950 mm (H) x 565 mm (W) x 780 mm (D). It uses oil as fuel and is compatible with EasyControl and solar thermal systems. This boiler is ideal for homes without a mains gas supply where internal space is limited.