Have a KitchenAid Superba microwave and convection combination built in unit. High end - all stainless steel in and out. Bulb burned out on microwave. Called Kitcheaid help line to learn how to replace bulb because it wasn't obvious. Learned it had to be done by an authorized technician and they would book an appointment - $75 house call, at least $75 service cost, and over $20 for the bulb. Ended up hiring local authorized agent and paid $100 service and $15 for the bulb. Turns out that to change the bulb one has to take trim... read full review »