You will find the model number on a sticker or rating plate. This can usually be found around the frame, behind the door but sometimes they wear off so if you are lucky you should have a label on the back or side of the appliance.

Model numbers for cookers and ovens can be made up of numbers or a combination of letters and numbers, for example 1003220 or ADP5555C, and may also include characters such as a slash (/) or a dash (-). The cooker model number tag may look similar to the examples shown below: