Zurn
The Complete Repair Kit is compatible with both the 3/4" Model 350 and 350XL Double Check Backflow Preventer. Repair Kit components conveniently include one #1 Check Assembly, one #2 Check Assembly, one Housing Inlet O-Ring, and one Housing Outlet O-Ring. Repair Kits are sold as accessories for quick and simple repair needs, providing long-lasting protection from backsiphonage and backpressure of polluted water into the water supply while saving you valuable time and repair costs.
