Hestan 48 Inch Gas Rangetop with 5 Brass Sealed Burners, 12 Inch Infrared Griddle, Continuous Cast-Iron Grates, Circuflame™ Power Burner, Electronic Ignition/Reignition, Backlit Control Knobs and Marquise Accented™ Control Panel: Lush, Natural Gas : Installation Manual : Page 27