The KGRS807S has a variety of convenient features will enhance your culinary creativity and deliver exceptional results. The versatile TripleTier burner can handle any task from simmering to searing. It's a gas true convection oven that includes the True Even-Heat Convection heating element and bow-tie shaped baffle to provide a true convection system that is similar to a true convection electric oven. A fan in the back of the oven moves heated air around the oven cavity. Experience the difference with even cooking on all 3 racks.