Angled Front Controls: Easy to use angled front controls. Continuous corner-to-corner grates: Move Heavy Pots & Pans without lifting with continuous, corner-to-corner grates. Dishwasher-safe cast iron grates: Easy to Clean with dishwasher-safe cast iron grates. 450 To 18,000-BTU Center Burner. Dimensions (WHD) 30 X 4 1/4″ X 21 3/4″.