Zurn Wilkins RK34-375 Backflow Preventer Complete Internals Repair Kit

This Zurn Wilkins RK34-375 Complete Internals Backflow Preventer Repair Kit is compatible with the 3/4" Model 375, 375XL and 375ST Reduced Pressure Principle Backflow Preventers. Repair Kit components include one Sleeve O-Ring, one #1 Check Seat O-Ring, one #1 Check Seat, two Poppet Screws, two Check Seal Retainers, two Check Seal Rings, two Poppets, one #1 Check Spring, one #1 Check Spring Retainer, one #2 Check Seat O-Ring, one #2 Check Seat, one #2 Check Spring, one #2 Check Spring Retainer, one Housing Inlet O-Ring, one Housing Outlet O-Ring, one Relief Valve Cover O-Ring, one Relief Valve Seat O-Ring, one Relief Valve Seat, one Relief Valve Spring, one Relief Valve Seal Retaining Screw, one Relief Valve Seal Ring, one Relief Valve Lower Plunger, one Diaphragm, one Relief Valve Upper Plunger, one Relief Valve Stem O-Ring, lubricant and installation instructions. The accessories within the kit allow you to speed up repairs, while lowering maintenance costs and extending the product life.