Dual-flame stacked burners on Monogram's ZGU385LSMSS provide complete 140F simmer-to-rapid-boil flexibility on all burners; the burners are sealed to the cooktop for easy cleaning. High-output cooking power delivered by a 15,000 BTU burner, totaling 51,400 BTUs. Silent, precise simmering delivers a consistent 140F temperature without cycling on and off; no simmer plate required. Electronic ignition ensures a continuous flame and reignites automatically if accidentally extinguished. Hand-machined, stainless steel knob controls rotate with smooth precision; A red indicator light embedded in each knob makes it easy to view and select heat settings. Interlocking, continuous grates create a steady surface for cookware and are integrated into the cooktop for a clean, finished appearance.