The Welker Repair Kit RKIRA4SSHP is a comprehensive maintenance kit developed for the IRA-4SSHP series automatic insertion probe regulators. Engineered to restore optimal performance and sealing integrity, this kit includes all critical O-rings, gaskets, and internal wear components necessary for thorough field refurbishment. By using the original Welker kit, you ensure continued safe, reliable operation of your sampling/regulation probe, minimize downtime, and maintain compatibility with pipeline and analyzer instrumentation systems.