40,000 BTU; Four stainless steel Dual-Tube burners. 10,000 BTU Professional grade side burner. 444 sq. in. primary cooking surface, 644 sq. in. total cooking surface. Heavy duty reversible cast iron cooking grids. Stainless Steel Flav-R-Wave cooking system. Linear Flow control valves. Deluxe Accu-Temp Thermometer. Deep, durable cook box with double-walled lid and cast aluminum end caps for incredible heat retention. Stainless steel control cover and fold-down side shelves.