New FEBCO model is the first full line of approved backflow preventers under 9th Edition standards.

FEBCO's new model 850 1/2-inch to 2-inch Double Check Backflow Preventers are the first full-line of backflow preventers (1/2-inch to 2-inch) to be approved under the 9th Edition standards of the Foundation for Cross-Connection Control and Hydraulic Research Laboratory at the University of Southern California's School of Engineering. The standard requires successful completion of a 5,000 cycle test.