The ¾” Vessel Repair Kit is a complete solution for restoring the internal components of Zurn ¾” double check valve assemblies (model 350 and 350XL). Designed to repair the vessel and check valve components, this kit ensures proper sealing and reliable operation of the backflow preventer. Ideal for maintenance or repairs following wear, damage, or freeze-related issues, it helps maintain system performance and compliance with ASSE® 1015 and CSA® B64.5 standards.