36 Inch Gas Cooktop with OptiSim® Burner. Bosch gas cooktops are engineered to perform precisely, offering high heat and low simmer options for optimal cooking flexibility. It’s seamless, one piece stainless steel design makes clean-up simple. 5 Sealed burners ranging in power from 5,500 BTUs to 16,000 BTUs. Simmer delicate sauces and melt chocolate without scorching. Strong continuous grates to easily move cookware from one burner to the other. Electronic re-ignition will automatically re-ignite the burner in case the flame goes out.