Technical specification Width 390mm Type Gas Heat Only Boiler Solar Compatible Yes Nox Class NOx Class 2 Noise Level 53 dB Maximum Vertical Flue 125mm 15 m Maximum Vertical Flue 100mm 6 m Maximum Horizontal Flue 125mm 15 m Maximum Horizontal Flue 100mm 6 m Includes Boiler Only Height 600mm Heat Output 30 kW Fuel Type Natural Gas ERP Rating A Depth 270mm CH Condensing Max Output 30 kW Supplier Part Number 7733600066 Range Description Greenstar Ri Manufacturer Model No 7733600066 Brand Name Worcester Bosch