The GE Monogram ZGP484LGRSS has an authentic professional appearance, stainless steel with smoothly finished edges, large electronic control knobs and heavy duty handles. Sealed, dual-flame stacked burners deliver a full spectrum of heat settings, from an ultralow 140° F simmer to an intense 18,000 BTU. Largest all-gas professional oven capacity available in the 48" professional gas range category. It is a Caterer’s oven uniquely sized to accommodate three full-sized sheet trays. Everyday oven is just the right size for 9" x 13" sheet trays. The heavy-duty oven racks glide smoothly in and out on stainless steel ball bearings for easy access, and are designed to remain in the oven during the self-clean cycle.