Premium, reliable, high efficiency boiler with low NOx emissions built using premium components. Built-in frost protection and full modulation, providing energy savings. Large colour display, user-friendly controls and easily visible pressure gauge. Ideal for new or replacement installations. Max. Central Heating Output: 18kW Stainless Steel Heat Exchanger Top Flue Outlet For use with Vented or Unvented Indirect Cylinders Not Compatible with Solar Panels 1 Year Guarantee 60,000BTU Backlit LCD Full Colour Display Max. Central Heating Output: 18kW Stainless Steel Heat Exchanger Top Flue Outlet For use with Vented or Unvented Indirect Cylinders Not Compatible with Solar Panels 1 Year Guarantee 60,000BTU Backlit LCD Full Colour Display