Features: Energy-saver mode reduces tank temperature during idle periods The exclusive Peak Extraction® Sprayhead provides improved uniformity of extraction and greater resistance to limescale buildup. ENERGY STAR® certified product USB programming capable Servers not included unless otherwise noted Pre-infusion and pulse brew for maximum flavor extraction. Cold brew lockout & digital temperature control further ensure top-notch brewing. Brew counter keeps track of how many batches are brewed Brews into 2.5 to 3.8L (84 to 128 oz)airpots and 3.8 to 5.7L (1 to 1.5 gallon) baseless Thermofresh servers Large 5.6 gallon (21.2L) tank provides back-to-back brewing capacity BUNN Infusion Series technology allows for multiple recipes from one footprint --- with three brew buttons and two batch sizes Electronic funnel lock prevents removal of each brew funnel until drip- through is complete