Service Purgeâ„¢ Model PSP-HP-1 high-pressure refrigerant purger is designed to purge an air-logged chiller. Chillers can become air-logged due to sudden leaks or during servicing. Among the refrigerants it can purge are R-12, R-22, and R-134a. It does not have a refrigeration unit or purge tank to maintain. This portable, one-piece refrigerant purger has a 1/4-inch hose hookup. The unit weighs 60 pounds.

Redi Controls Inc., 755 E. Main St., Greenwood, IN 46143; 800-626-8640 or 317-865-4130; 317-865-4145 (fax); www.redicontrols.com.