G3 Digital Control Module – Provides precise control for gourmet fine tuning with pulse-brewing, delay, and all critical brewing functions. G3 Enhanced Tea Flavor & Clarity – With digital accuracy, two separate precision valves provide unsurpassed control over concentrate brewing and dilution cycles.“Fast Brew” Option – Program selectable. Shortens brew time by allowing concentrate and dilution cycles to run at the same time. On-Board Self Diagnostics – G3 continually senses proper brewing operation. A Service Phone Number and error code will be displayed in the rare event technical assistance is required… reducing downtime. Cold Water Brew Lock-Out – Prevents brewing when water temperature is below set level.