Is Welbilt Automatic Coffee Maker Model PW 412 made of stainless steel and are the inside parts also steel?

Some are made of stainless steel, both on the outside and inside, while others use plastic for certain components such as the water reservoir or the brewing assembly.

To determine the specific materials used in your particular model, it's best to refer to the user manual or product specifications provided by the manufacturer. If unsure, you can try contacting Welbilt's customer support for clarification.