was designed to fit.
Check nearby appliances: Compare the rack with the oven, warming drawer, or any countertop cooking equipment.
Look for markings: A brand name or stamped part number may help identify it.
Ask the previous owner or landlord: If possible, they may know exactly where it came from.
Can You Help Identify Yours?
The most useful next step is to see the rack itself. An oven-sized rack could be an ordinary oven shelf, an accessory for another appliance, or something entirely different depending on its shape and construction.
Found in the kitchen of a new house: a rack the size of a standard oven. Any ideas?