This commercial-style Architect Series cooktop offers you a sleek stainless steel exterior oversized controls and the power of 15000 BTU burners. You may also add the optional griddle. Architect Series. Professional Stainless Steel Cooktop Black Porcelain Burner Pan and Top. 15000 BTU Sealed Gas Burners. 6000 BTU Burners (Can Be Reduced to 600 BTU for Simmering). Standard Simmer Plate For Simmer Performance. Cast Iron Full Surface Grates (Matte Finish). Push-to-Turn Infinite Electronic-Light Controls. LP Gas Conversion Kit Included. Standard 9 inch Backsplash. Standard Cooktop Island Trim.