How Do Drip Filter Coffee Machines Work? You might be surprised by the sheer number of components included in this coffee maker, especially if you're unfamiliar with it. It starts with the reservoir, a tube of water that is connected to it and a heating component inside that heats water. https://wwwcoffeeeuk47608.blogsuperapp.com/30943102/five-things-everybody-gets-wrong-concerning-drip-coffee