Pit Boss wood pellet grills are fueled by all natural BBQ wood pellets. The digital control board ignites the grill & allows you to set the cooking temperature from 180 Degree to 500 Degree. fan forced convection cooking eliminates the need for a rotisserie & creates a versatile environment for grilling, roasting, smoking, braising, searing & baking. The 820Fb features a flame broiler as standard-this adds the option to grill directly over an open flame when direct heat is needed. The Pit Boss 820Fb features a large 820 sq. in. total cooking surface: 580 sq. In. Main, 240 sq. In. Removable upper rack. With Complete structural strength & durability, the Pit Boss 820Fb is made to last.