The Deringer product line is now the smallest, lightest, most economical, best performing and only all stainless steel backflow prevention valve…and yes it is built in the USA. Backflow Direct was founded by the Powell family previous owners of Ames Company and Hunter Innovations creators of the Silver Bullet, Colt and Maxim backflow prevention product line. This ownership for more than 35 years has been responsible for the introduction of every major design and marketing advancement in the backflow industry. Such advancements include single body housing, fabricated valve housing, stainless steel construction, large diameter single access port, differentially loaded check, independent check module, butterfly shut off valve, always resulting in shorter, lighter and better preforming products. Backflow Direct is introducing the Deringer line with a radical and game changing marketing strategy selling our products directly to contractors, installers and testers...our customers.