It is strongly recommended that natural gas appliances be professionally installed Please note An EdgeStar insulated grill jacket model GRL420JACKET is required for installation into combustible materials Check your local and state code requirements 3 main burners operating at 25,000 BTU each, with an additional 14,000 BTU rotisserie burner Stainless steel zone dividers between the main burners allows for three distinct grilling temperatures 739 square inch total cooking area with 263 square inch warming rack