The TF brewers use Digital Brewer Control with insulated ThermoFresh servers that hold beverages at optimum flavor profile for hours without requiring the energy consumption of traditional warming plates Features: Preventive maintenance kit: 39641.0000 Servers not included unless otherwise noted ThermoFresh® servers are vacuum insulated to keep coffee hot for hours. Operate any combination of BrewWISE equipment error-free with wireless brewer-grinder interface through Smart Funnel with SplashGard® Coffee extraction controlled with pre-infusion and pulse brew, digital temperature control, and large sprayhead; coffee strength controlled with variable by-pass. Funnel locks help improve safety Brews 16.3 to 18.9gal (61.7 to 71.5L) of perfect coffee per hour Create coffee recipe cards with custom recipes, ad cards with messages that display on the brewer LCD, and dedicated funnels for special coffees with the BrewWISE Recipe Writer using your PC (Windows® compatible). Energy saver mode reduces tank temperature during idle periods Stores individual coffee recipes so operator can easily brew many varieties Easy pulse interface allows automatic programming of pulse routine SplashGard® funnels deflect hot liquids away from the hand