Vollrath 72021 Cayenne Heat 'N Serve 11 Qt Soup Kettle RethermalizerFeatures Vollraths direct contact heating system in which the heating element is in direct contact with the water for the most efficient heat transfer possible. Thermoset fiber reinforced self insulating resin well provides maximum energy efficiency, prevents scale build up and is easy to clean. Cast in non stick aluminum dome heating element uses up to 25% less energy and reduces scale build up for easy cleaning and longer operating life. Increased