1/2" – 2" Backflow Prevention Devices

If you require a small residential backflow prevention device for your sprinkler system or other application, we've got a complete selection here from top-quality manufacturers such as Watts, Febco, Wilkins, and others. Choices include Double-Check Assembly valves (DCA), Pressure Vacuum Breakers (PVB), and 2-inch Reduce Pressure Zone (RPZ) backflow preventers. You have a choice of either leaded or lead-free, and we have valves in this category in 1/2", 3/4", 1", 1 ¼", 1 ½" and 2" sizes.

Select a half-inch backflow preventer valve, a two-inch double check valve, or a three-quarter-inch bypass device without ball valves. Simply click on the appropriate size valve you require and choose from the many configurations presented.