Summit’s built-in gas cooktops offer quality performance at great value, with a range of sizes and styles to suit your kitchen needs. The TNL053 is a 30 wide cooktop with a scratch resistant porcelain surface in black. Four 9000 BTU open burners run on electronic ignition and natural gas and include durable porcelain enameled steel grates. A recessed top helps to contain spills. To convert this unit for LP gas. 30 wide gas cooktop with electronic ignition and black finish. Porcelain enamel surface offers easy cleanup and long-term durability. Wide range of flame adjustment allows you to get more precision in heating. Porcelain enameled steel grates. LP Convertible: With Kit LP Accessory. Number of Burners: 4. Cutout Width: 28.38′ (72 cm). Cutout Depth: 18.63′ (47 cm). Burner #1 BTU: 9000. Burner #2 BTU: 9000. Burner #3 BTU: 9000. Burner #4 BTU: 9000. Dimension: 3.75″ H x 29.75″ W x 20.0 D.