Description
This is 3/4 to 1 Inch Zurn Wilkins 975 Series Reduced Pressure Zone Backflow Preventer Total Rubber Repair Kit With Springs. Kit Includes First & Second Check Discs, 2 Check Cover O-Rings, RV Seat Disc, RV Piston O-Ring, Relief Valve Diaphragm, 1st & 2nd Check Springs, Relief Valve Spring | Wilkins | RK34-975XL
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