12kW boiler with pre-plumbed 210ltr cylinder and all necessary components. Provides central heating and hot water, offering quiet operation and built-in fault-finding diagnostics. Includes 24/7 programmer, thermostat, automatic by-pass, auto air vent, wiring centre, combination valve, temperature and pressure relief valve, tundish, 2 x 2 port zone valves and high efficiency circulating pump. No flue required. Can be used for underfloor heating. Max. Domestic Hot Water Output: 12kW Max. Central Heating Output: 12kW Indirect Unvented Cylinder Stainless Steel Heat Exchanger Compatible with Solar PV Panels 1 Year Guarantee 40,945BTU Backlit LCD Display Low Heat Loss Fast Recovery Max. Domestic Hot Water Output: 12kW Max. Central Heating Output: 12kW Indirect Unvented Cylinder Stainless Steel Heat Exchanger Compatible with Solar PV Panels 1 Year Guarantee 40,945BTU Backlit LCD Display Low Heat Loss Fast Recovery