Built in gas cooktop 1.Double wire thermocouple. 2.Flame failure device. 3.Fire area ... thicknessδ 0.8mm Hole size 680*380mmProduct name: Built in gas cooktop MOQ: 100pcsMaterial: Stainless steel panel + Enamel ... deviceBurner optionalWhirl burner, Beehive burner, Inner whirl burner, Infrared burner, Steel burner, Sabaf burner, Triple ring burner, Semi-rapid burner, Rapid burner/Auxiliary burner, etc. ...