The Upper Tier Produces Up To 20,000 Btu For 30% Faster 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. Dual Fans-Each With Its Own Heating Element-Work In Concert With Two Additional Heating Elements To Maintain Heat And Airflow, Eliminating "Cold Spots" And Ensuring More Consistent, More Delicious Results-Even When Using Multiple Racks At Once. Cook At Higher HighsCook At Higher Highs And Lower Lows With Four Dual-Stacked, Sealed Burners That Produce Up To 20,000 Btu And Deliver As Low As 300 Btu Rely On A 15000 Btu InfraredRely On A 15,000 Btu Infrared Griddle To Sear Burgers, Stir-Fry Vegetables, And More Slide Pots And Pans - French TopSlide Pots And Pans On A French Top That Allows For True Cooking Finesse Clean Up SloshesClean Up Sloshes And Spills Easily With The Seamless, Sealed, Black Porcelain-Coated Burner Pans Assures Predictably Delicious ResultsAssures Predictably Delicious Results With A Variety Of Modes Including Convection Roast, Proof, And Dehydrate Operate Easily With A Control PanelOperate Easily With A Control Panel That Rotates Out Of Sight When Not In Use Control Heat And Airflow - Dual ConvectionControl Heat And Airflow Expertly As Dual Convection Creates Just The Right Cooking Environment For Everything From Cornish Hens To Cherry Pie To Butternut Squash Multi-Task With An Additional 30 OvenMulti-Task With An Additional 30 Leave Nothing To ChanceLeave Nothing To Chance. Our Temperature Probe Alerts You When Your Dish Has Reached The Desired Temperature For Worry-Free, Delicious Results Includes OptionsIncludes Options Such As Self-Clean, Delayed Start, Timed Cook, Sabbath Mode, And More Re-Ignites Flame AutomaticallyRe-Ignites Flame Automatically With Our Spark Ignition System For Improved Temperature Control And Added Safety Move Pots And Pans Around EffortlesslyMove Pots And Pans Effortlessly Across The Continuous Cast-Iron Grates Find Your Kitchen StyleFind Your Kitchen Style With A Choice Of Iconic Red, Black, Or Brushed Stainless Control Knobs See Food ClearlySee Food Clearly With Bright Interior Halogen Lights And Large Double-Panel Glass Door Windows Rangetop Specifications(Ul)(Li)1 - 9,200 Btu Burner(/Li)(Li)1 - 20,000 Btu Burner(/Li)(Li)Stainless-Steel Island Trim Riser Included(/Li)(Li)1 - 15,000 Btu Burner(/Li)(Li)1 - 18,000 Btu Burner(/Li)(Li)1 - 15,000 Btu Griddle(/Li)(Li)1 - 15,000 Btu French Top(/Li)(Li)Stainless-Steel Griddle Cover(/Li)(/Ul)