Flamco Flexfiller Direct G4 Pumpless Top-Up Pressurisation UnitThe Flexfiller Direct G4 is the latest in pumpless digital pressurisation technology for light commercial and residential buildings. Its a slim, wall-mounted pumplesstop-up pressurisation unit, with a top-up flow rate of up to 14 l/min depending on the mains or boosted mains, water pressure. It is designed to be connected directlyto a buildings incoming water supply using the included flexible hose. It is there to fill and maintain the pressure of a heating or chilled water system without the need for a pump.The unit comes with a user-friendly controller that displays all operating and error conditions comprehensibly and conveniently. It features extensive data storage foronline and offline analysis, microprocessor control, and self-learning algorithms with a graphical display. It comes with MODBUS RTU and BACnet communicationprotocols as standard and has its key operating parameters password protected.KEY FEATURESWRAS &