The original AUTO-PURGER, the AP Auto-Purger has solid-state control and is ideal for larger systems, up to 1500 tons (5275 kW).

The AP has at least two to three times the air removal capacity of any competitive purger, and up to ten times other smaller purgers. With models available to purge up to 8, 16, and 24 points, the AP features automatic startup with electronic control. Purge points can be individually adjusted to meet system requirements. Includes an automatic water bubbler; Optional NEMA 4 rated enclosure also available.

A European model is available that features all-welded construction and conformance to European electrical standards.

The AP is CSA certified. Models are available for use with ammonia or halocarbon refrigeration.