Weber Summit S-460 Built-In Liquid Propane in Stainless Steel Grill 4 Stainless steel burners 48,800 BTU-per-hour input. Dimensions - lid open (inches): 58H x 34W x 31D 10,600 BTU-per-hour input sear burner 6,800 BTU-per-hour input smoker burner and stainless steel smoker box 4 Stainless steel burners 48,800 BTU-per-hour input 10,600 BTU-per-hour input sear burner 6,800 BTU-per-hour input smoker burner and stainless steel smoker box 10,600 BTU-per-hour input infrared rear-mounted rotisserie burner