The Bosch 30" 800 Series gas cooktop in black porcelain adds a little more ease and a touch of thrill to cooking. New proprietary FlameSelect technology offers 9 distinct power levels for precise, repeatable flame levels and perfect cooking results every time. 17K high efficiency burner technology lets you get dinner started more quickly, while the OptiSim burner design provides a better distribution of heat for low simmers. Dishwasher-safe grates make clean-up easy. Bold in design and crafted from premium materials, Bosch gas cooktops are designed to withstand the test of time and cooking.