Maximum Heat Is Delivered By The Upper Tier Burner For More Rapid Boils And Hotter Sears. The Low Flame On The Lower Tier Burner Eliminates The Need For A Double Boiler Completely, And Keeps Even Delicate Sauces Warm Without Fear Of Scorching Or Separating. The Intensity Of The Heat Is Exactly What Makes Our 16,000 Btu Infrared Charboiler So Desirable. The Heat Generated Sears The Outside So Robustly As To Seal The Juices In. Maintain Control With Four Dual-Stacked BurnersMaintain Control With Four Dual-Stacked Burners That Go From 20,000 Btu Down To A Mere Breath Of Flame Simmer And Melt SaucesSimmer And Melt Sauces, Soups, And Marinades Easily With The Lower Tier Of The Dual-Stacked Burner Match Other Products With Heavy-Gauge Stainless SteelMatch Other Sub-Zero, Wolf, And Cove Products With Heavy-Gauge Stainless Steel And Signature Red Infinite Control Knobs Sear With A 16000 Btu Infrared CharbroilerSear With A 16,000 Btu Infrared Charbroiler Sear In Seconds With The Additional 15000 BtuSear In Seconds With The Additional 15,000 Btu Infrared Griddle Cleanup Is A Snap - Burner PansCleanup Is A Snap As Sealed, Seamless Burner Pans Contain Sloshes And Spills Move Pots And Pans - Cast IronMove Pots And Pans Effortlessly Across The Continuous Cast-Iron Grates Reignites Flame AutomaticallyReignites Flame Automatically With Spark Ignition System Rangetop Specifications Stainless-Steel Island Trim (Included) Stainless-Steel Bezels 1 - 9,200 Btu Burner 1 - 15,000 Btu Burner 1 - 18,000 Btu Burner 1 - 20,000 Btu Burner 1- Infared 16,000 Btu Charbroiler 1- Infrared 15,000 Btu (13,000 Btu Lp) Griddle