G4 ThermoPro® Coffee Brewer, twin, 1 gallon brew capacity, 15 to 21 gallons per hour, 6.9 gallon tank volume, G4 digital control module, 4.3" touch screen, icon-driven interface, built-in self diagnostic system, Gold Cup Series™ digital control module, pre-set one-touch global recipes, centrally located hot water spout, 220v/50/60/1-ph, 5100/7600 watts, 23/34.5 amps, 2 GPM, 3W+G, 20-90 psi, 3/8" flare fitting, UL, NSF