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, Zurn Wilkins and others. Choices include double check assembly valves (DCA), pressure vacuum breakers (PVB) and 2-inch RPZ backflow preventers (reduced pressure zone). You have a choice of either leaded or lead-free, and we have valves in this category in 1/2", 3/4", 1", 1-1/4", 1-1/2" and 2" sizes.

Select a 1 2 backflow preventer valve, a 2-inch double check valve or a ¾-inch bypass device without ball valves. Simply click on the appropriate size valve you require and choose from the many configurations presented.