WaterGroup announces the launch of the ABuv residential and light commercial ultraviolet system across North America. The system is tested and certified to NSF Standard 55 for Class B disinfection performance and has NSF-rated flowrates of 5.5, 7.8 and 12 gpm (20.81, 29.52 and 45.42 liters/minute). Models come with flow restrictors, lamp-failure visual and audible alarms, lamp-change reminders and countdown lamp timers. Class B units provide supplemental treatment for water that has been tested and deemed acceptable for human consumption. http://www.watergroup.com