There are 4 types of backflow preventers commonly used in residential and commercial plumbing: atmospheric vacuum breakers (AVBs), pressure vacuum breakers (PVBs), double check valves (DCVs), and reduced pressure zone devices (RPZs). Each serves a specific level of protection and application. At LKN Backflow Testing, we help you choose the right one for your irrigation system, home, or business. Our team installs and maintains these devices with precision and compliance in mind. Protect your water quality with professional guidance from LKN. |