Six Sealed Burners, Including Two 17,000 Btu Ultra-High Output Burners And Two 5,000 Btu Burners That Reduce To Ultra-Low 650 Btus, Provide The Heat Range Needed For Gourmet Cooking. Black Matte Grates And Drop-Down Control Panel With Oversized Stainless Steel Knobs Enhance The Commercial Pro-Style Stainless Design.