Viessmann’s Vitotronic 300 GW6B boiler control system features a smart operating interface that is easy to use with text-driven menus. The Commissioning Wizard ensures fast and simple boiler start-up. Boiler configuration options include integrated cascade/boiler sequencing function for stand-alone or up to eight lead lag boilers. A single Vitogate 300 gateway communicates with up to eight boilers and allows for simple BAS integration. The Vitotrol mobile app for Apple and Android devices offers worldwide access to the heating system.