6 Cooking Zones, Each With Crescendo Burners, Create 5 Levels Of Cooking Power. At Each Level, The Perfect Combination Of Power And Even Distribution Of Heat Allows Precise Results From Tempering To Searing With A Maximum Of 20,000 Btu. A Combination Of Burner Rings At Different Levels Controls The Relation Of The Flame To The Bottom Of The Cooking Vessel, Allowing Whisper-Soft Heat For Melting Or Rendering To Ultra-High Sea-Ring And Deglazing.