Double Check Backflow Preventers

Designed for installation on potable water lines to protect against both backsiphonage and backpressure of polluted water into the potable water supply. The Model 350A shall provide protection where a potential health hazard does not exist. Ideal for use...

The Zurn Wilkins 350 Double Check Valve Backflow Preventer provides low hazard protection for all applications. Typical Applications: Main System Supply, Fire Pressure Systems, Wells Specs Size: 3" Maximum working water pressure: 175 PSI Maximum working...