Jan 01, 2014 · I have a kitchen aid superba built in double oven. Model KEBC278K550 as best I can read. Last two 5's could be - Answered by a verified Appliance Technician Shop garbage disposals in the appliances section of Lowes.com. Find quality garbage disposals online or in store. Aug 31, 2017 · Convection ovens cook food differently from standard gas or electric ovens. They work by circulating heated air via a fan. The fan is in a separate part of the oven to avoid overheating -- in the back wall of the oven in KitchenAid convection ovens. Food cooks quicker in a convection oven as the air ... You can find your product's model number on a plate affixed to the product or in the owner's manual. Even though parts may look the same, there are often variances in similar parts and it is important to buy parts that fit your specific model.