The 2½”–6” Complete Rubber Repair Kit is a specialized solution for restoring the relief valve section of Zurn reduced pressure principle assemblies (model 375, 375A, 375AST, 475, and 475V). Designed to replace all rubber components in the relief valve, this kit ensures proper sealing and reliable operation, helping maintain compliance with ASSE® 1013 and CSA® B64.4 standards. Ideal for routine maintenance or targeted repairs, it offers a cost-effective way to extend valve life and minimize downtime.