• * Fuel propane
• * Output from 9,3 kw & up to 19.5  with efficiency 84%
• * Energy rating is type A by using one of two burner step
• * Interior finish black smooth or black Ceraglass
• * Burner accessories Logs set, stones or crashed Basalt
• * Non reflective glass window (optional)
• * Remote control with automatic ignition, thermostat and clock functions    (Mertic GV-60)
• * The warranty of the AKOS burner is 10 years 

Natural Gas (methane CH4) not LPG (Propane C3H8) for the fact that, for proper combustion, LPG requires an oxygen to gas ratio of around 25.1 whilst Natural gas requires a ratio of almost 10.1. As well, It is very important to install a fireplace closed with glass to preserve heat efficiency and safety.