The Complete Relief Valve Repair Kit is compatible with the 8” and 10” Model 375, 375A, 375AST, 475, and 475V Reduced Pressure Principle Backflow Preventer. Repair Kit components include one Upper Plunger O-Ring, one Diaphragm, one Seal Ring, one Relief Valve Spring, one Relief Valve Seat O-Ring, and one Relief Valve 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.

• Accessories allow for speedy repairs
• Repair Kits provide cost savings by avoiding full Backflow Preventer replacement
• Complies with ASSE® Listed 1013 and C-UL® Classified
• Quality materials extend replacement life
• 1-year limited warranty
• Accessories allow for speedy repairs
• Repair Kits provide cost savings by avoiding full Backflow Preventer replacement
• Complies with ASSE® Listed 1013 and C-UL® Classified
• Quality materials extend replacement life
• 1-year limited warranty