Gas cooktop: Easily select options or control your cooking temperature with knob controls, approved for installation above any single electric wall oven. Simmer burner delivers precise low heat that is perfect for preparing delicate foods and sauces. Sealed gas burners allow you to enjoy easier cleanup so your cooktop stays looking great. Continuous, edge-to-edge grates let you move heavy pots and pans across the cooktop without lifting, heavy-duty cast-iron grates are dishwasher safe for easier clean-up. Electronic pilotless ignition saves energy and can be ignited manually when electricity is out