Solid brass front. 100% efficient meaning there is no loss of heat, reducing the amount spent on running your gas fire. Requires 27m³ and purpose provided ventilation of 100cm². 100% Heat Efficiency Rotary Control Heat Output: 2.3kW 3 Year Manufacturer's Guarantee (T&Cs Apply) Polished Finish Coal Effect Minimum Room Size: 27m³ Must be Fitted by a Gas Safe Registered Installer Chimney Not Required 100% Heat Efficiency Rotary Control Heat Output: 2.3kW 3 Year Manufacturer's Guarantee (T&Cs Apply) Polished Finish Coal Effect Minimum Room Size: 27m³ Must be Fitted by a Gas Safe Registered Installer Chimney Not Required