- Scope of application： RK212375R Relief Valve Rubber Kit for 2-1/2″ – 6″ 375, 375A, 375AST, 475 and 475V Reduced Pressure Principle Assembly Backflow Preventers.
- Benefits: Fits 2 1/2″ – 6″ 375, 375A, and 475 Includes all relief valve rubber components Repairs Model(s): 375: 212-375 2-1/2″, 3-375 3″, 4-375 4″, 6-375 6″ 375A: 212-375A 2-1/2″, 3-375A 3″, 4-375A 4″, 6-375A 6″ 375AST: 212-375AST 2-1/2″, 3-375AST 3″, 4-375AST 4″, 6-375AST 6″ 475: 212-475 2-1/2″, 3-475 3″, 4-475 4″, 6-475 6″ 475V: 212-475V 2-1/2″, 3-475V 3″, 4-475V 4″, 6-475V 6″.
- Set combination：This kit includes 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.
- Material: made of materials with excellent performance and longer service life, it has strong durability, corrosion resistance and rust resistance. High quality materials make it long-term use.After replacement, the water leakage caused by the oxidation of the parts can be solved.
- 100% Satisfaction Guarantee– If you’re not 100% satisfied with this tool set, simply return it for a full refund in 30 days. Premium Support & 12-Month Warranty.
