Four Sealed Burner Modular Gas Cooktop with 55,800 BTU and Superior Flame Control: Brass Trim w/ Black Knobs. With a multifunctional brass burner designed for both low and high-powered cooking, you can quickly and easily switch between frying, simmering, or roasting. The different parts of the burner can be separated and cleaned. No raised corners, just a flat countertop to clean. Warranty covers all costs, including labor, to repair or replace parts proven to be defective in materials or workmanship. Warranty covers costs to repair or replace parts proven to be defective in materials or workmanship; customer is responsible for labor charges. Available in up to 20 different configurations. Control knobs available in black, red, or stainless steel. Burner trim available in your choice of timeless brass or sleek black. Wide spacing between burners allows for simultaneous use of multiple large pots. Installs and cleans easily; designed to the highest safety standards. Number of Burners: 4. Burner Trim Finish: Brass or Black. Burner Output 1: 18,000 / 650 BTU/h. Burner Output 2: 18,000 / 650 BTU/h. Burner Output 3: 6,500 BTU/h. Burner Output 4: 12,000 BTU/h. Power: 55,800 BTU/h. Minimum Cabinet Width: 36 Inches. Minimum Cabinet Depth: 24 Inches. Total Height: 3 1/2 Inches. CounterTop Thickness: 1/8 - 1 3/8 Inches. Measurements of Unit (LxWxH): 20" x 33 1/2" x 3 1/2". Materials suitable for Gas Burners: Natural stone (granite and marble), Stainless Steel, Concrete, Ceramic, Glass, Fenix NTM, Quartz Composite, Compact Board. Materials not suitable for Gas Burners: Solid Surface such as Corian, HPL-High Pressure Laminate, Wood.