B+S Black Combination Boiling Tops - Combination Two Open Burners & 300mm Char Broiler BT-SB2-CBR3B+S Black Combination units deliver the best in quality, performance, and flexibility. When you need two pieces of equipment but only have room for one, this is a perfect choice. All units are constructed from AISI 304 grade stainless steel and ultimately provide flexibility and efficiency. Combination Units can be integrated in multiple combinations using the Boiling Top, Grill Plate, and Char Broiler and come with a 24 month warranty.