New & improved OAM-Purgers for low and high pressure centrifugal chillers are easier to install, no longer liquid level sensitive, now contain sight glasses to observe operation, regain chiller capacity by returning oil accumulating in chiller back to the sump, and thus save thousands of dollars per year in energy savings. Go to www.RediControls.com, or call 317/865-4130 for more information. Redi Controls, Inc.