All EDGE 4460-G2 Wide Body ovens come standard with an I-HEAT modulating burner. The modulating I-HEAT burner used in the oven is the first of its kind in the pizza oven industry. It works by precisely controlling both gas and combustion air. By controlling both gas and airflow the burner can attain maximum efficiency through its entire firing range. And with an 44" conveyor belt and 60" baking chamber, these wide body models can bake two 18" pizzas side-by-side with room to spare!