Durable cast aluminum oven. Two stainless steel burner system with Accu-Flow(TM) valves. A total of 390 sq.in. cooking surface including a chrome coated warming rack, Porcelain coated wire cooking grids. Sure-Lite(TM) electronic ignition system. 10 years warranty on cast aluminum components, 3 years on stainless steel burner and 2 years on all remaining parts and paint.