review summary

Maintenance Kit includes; diaphragms, O-rings, a Valves is used on Pump Models MP301E, MPC301E. This Welch Maintenance Kit (Part# 402046) is a comprehensive package designed for the upkeep and maintenance of Welch MP and MPC vacuum pumps. Meticulously crafted, this kit includes essential components that play a crucial role in optimizing performance and extending the operational life of the vacuum pumps.