8 Sealed Burners combine a total stove-top output of 107,000 BTU, Includes 1 Sealed Dual-Ring Burner to achieve high heat searing or delicate simmering control, Continuous Cast Iron Grates provide even heat distribution and stable cookware mobility, Recessed Black Enamel Cooktop Cavity contains spills for quick clean-ups, Zinc Coated Metal Control Knobs and Bezel Rings