Grilling on a Genesis II is anything but ordinary. With a world-class grilling engine, three powerful burners, and iGrill 3 smart technology compatibility - all backed by a 10 year Weber warranty - the bar has been raised, and standard set. The GS4 high-performance grilling system sets the standard in the world of gas grilling and lands Weber in a class of its own. This powerful grilling system is based on over 65 years of grilling experience, culinary expertise, and most importantly, the wants and needs of the people who matter most – our grilling community. Each component of GS4 was uniquely designed for ease-of-use and to provide an unequaled satisfaction to your backyard grilling experience.