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The Complete Rubber and Springs Repair Kit is compatible with the 3/4"-1" Model 975XL and 975XL2 Reduced Pressure Principle Backflow Preventer. Repair Kit components include two Seal Rings, one #1 Check Spring, two Cover O-Rings, one #2 Check Spring, one Relief Valve Spring, one Relief Valve Seal Ring, one Real Valve Diaphragm, and one Relief Valve Stem O-Ring. The accessories within the kit allow you to speed up repairs, while lowering maintenance costs and extending the product life. The Zurn Wilkins portfolio offers long-lasting protection from backsiphonage and backpressure of contaminated water into the potable water supply.
