A contaminated sparge cell can become a hidden source of purge-and-trap problems. In this video, I show how I replace the sparge cell on an OI Eclipse 4660 purge-and-trap concentrator. I cover: • Accessing the sparge cell assembly • Disconnecting the existing cell • Removing the dirty or contaminated sparge cell • Installing the replacement cell • Reconnecting the fittings and tubing • Checking the final installation before returning the system to service Because the sparge c