We are renting a house and have been using the coffee urn as a source of hot water for tea/coffee for the last 2 months. I don’t know what it was used for prior to. Religious people have been here bevire us. All I know is that I don’t want to incur the expense of purchasing a new urn just for the duration of Pesach. Our pesach wares are miles away at the moment. So I buy only what I really need.