Replacing a single electric fan oven is also simple as they are both normally wired into a standard three pin plug.
How to replace a built in oven.
Typically for built under double ovens there are normally six screws holding them in place two in the top oven cavity and four in the main oven cavity after these are undone you can slide the cooker out but remember that there is an electrical cable attached behind as these are normally at least 2ft of the ground so i suggest you have something to rest the appliance on when it comes out.
If you are remodeling your kitchen or your built in ge wall oven is malfunctioning you may wish to remove it.
In this video i replace an electric oven.
Proper safety procedures are essential however because ovens can be hardwired into the wall and require altering your circuitry.
You can see the most common layout in diagrams 1 and 2 below.
Built in ovens can usually be moved.
Video showing how to remove a dirty dated old wall oven.
Replacing a single electric oven is normally very easy as they are a standard size.