How Do Drip Filter Coffee Machines Work? You might be surprised by the number of parts included in this coffee maker if you are unfamiliar with it. It starts with a reservoir that has a water tube leading up to it and a heating element inside that warms the water. https://coffeeeuk52978.tokka-blog.com/30664751/20-things-you-need-to-be-educated-about-drip-coffee