The Auto-Purger Plus is an automatic, electronically controlled noncondensable gas (air) and water purger for ammonia refrigeration systems. It helps maintain condensing and suction temperatures at nearly optimum operating conditions. The unit provides water separation up to 7 gallons per day and air separation up to 20 times the capacity of competitor units, claims the manufacturer. Features include continuous automatic operation, single phase, 115 V, 20 A circuit, LCD console displays purger data, and onboard diagnostics.

Hansen Technologies Inc., 6827 High Grove Blvd., Burr Ridge, IL 60527; 800-426-7368;

eProduct 191