Kitchen Equipment For Restaurant Commercial Range A Combination with Cooker,Oven,Range,Lava Rock Grill,Fryer,Gridlle,ect CE Ovens - Ranges - ... ! We have seen it happen before. Someone purchases and large convection oven and tries to get it into their small kitchen. Although ... inside the room, the door is too small and the convection oven will not go through. This can be avoided if you ...