20 Litre capacity that can provide hot water for 100 to 150 cups. Simply fill the urn manually using a jug, turn the urn on and wait for it to boil and reach temperature. Unlike cheaper catering urns available, this Swan model has a concealed element for longevity and protection of the element, The Swan catering urn will keep the water hot throughout the day and reboil at certain points to ensure your tea and coffee is at a suitable temperature all day. The tap is specially designed not to drip unlike cheaper models available. The unique lid design to keep the boiling noise to a minimum which is ideal for offices as well as preventing condensation.