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: Brews 16.3 to 18.9gal (61.7 to 71.5L) of perfect coffee per hour ThermoFresh® servers are vacuum insulated to keep coffee hot for hours. Easy pulse interface allows automatic programming of pulse routine Preventive maintenance kit: 39641.0000 Brews 1/2, 1 or 1 1/2gal (1.9, 3.8 or 5.7L) batches Energy saver mode reduces tank temperature during idle periods Servers not included unless otherwise noted SplashGard® funnels deflect hot liquids away from the hand Coffee extraction controlled with pre-infusion and pulse brew, digital temperature control, and large sprayhead; coffee strength controlled with variable by-pass. 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). Stores individual coffee recipes so operator can easily brew many varieties Operate any combination of BrewWISE equipment error-free with wireless brewer-grinder interface through Smart Funnel with SplashGard® Funnel locks help improve safety