The 120 Refrigeration line has been expanded to include scroll compressors. They use R-404A refrigerant. Models are available in pre-assembled remote and precharged line systems. Air-cooled models are available as indoor or outdoor systems; water-cooled systems are available only as indoor systems. According to the manufacturer, these scroll compressors offer continuous compression, which ensures 100% compression of suction gas. They also eliminate re-expansion gas and have low condensing capability, the company says.

RDI, a subsidiary of Kolpak, 81 West Holly St., Parsons, TN 38363; 800-826-7036; 731-847-5387 (fax); www.kolpak.com (website).

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