2" to 8" Deringer Backflow Preventers

Deringer Backflow Preventers are the smallest, lightest, most economical, and best performing valves in the industry. They're the only all stainless steel backflow preventers and they are available with butterfly valves or OS&Y Gate Valves. Backflow Direct carries DC, RP, DCDA-II and RPDA-II Deringer Backflow Preventers. All of our valves ship for free and their small size and light weight makes for hassle free shipping and delivery. You can put together most of the Deringer Backflow Preventer models with just a one-man crew, no bulky equipment, so installs are more efficient and much easier. Our goal is to provide user-friendly, high-quality equipment.