Four Sealed Burners. Including Two 17.000 Btu Ultra-High Output Burners And A 5.000 Btu Burner That Reduces 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.