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ERP #WILK-RK212-350
MFR #RK212-350
UPC612052092089
The Rubber Repair Kit is compatible with both the 2-1/2” and 3” Model 350 and 450 Double Check Backflow Preventers. Repair Kit components conveniently include two Seat O-Rings, two Stem O-Rings, and two Seal Rings. 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.