Large 6" Backflow Prevention Devices

Zurn Wilkins Backflow Prevention devices are made for ease of installation and maintenance and to provide high-quality service for the lifetime of your systems, which saves you time and money. Their residential and commercial backflow preventers are the finest on the market, with outstanding reliability and excellent flow characteristics. The 6-inch backflow prevention devices found here are designed for installation on water lines as protection against back-siphonage of polluted water into a potable water supply. The 375 ADA RPZ Backflow Device is constructed from an NSF-certified epoxy-coated iron body and is lead-free compliant. This reduced pressure backflow preventer consists of a pressure relief valve sitting between two check valves. This is an important central part for many systems, including irrigation backflow preventers.