This Commercial-Style Jenn-Air Pro-Style Gas Range Offers Power And Precision. Its Four Burners Include A 20.000 Btu Stacked Burner For High-Heat Cooking And A Simmer Burner For More Delicate Cooking. And Six Different Convection Cooking Modes Like Bake. Roast And Broil Distribute Heat Evenly And Thoroughly. For Beautifully Consistent Results.