A refrigerant gauge set that measures some common retrofit refrigerants is available. The set of large, 3-1/8-inch, red and blue dry manifold gauges is specifically calibrated for monitoring R-417A, R-422A, and R-422D. These Class 1 gauges, with a front recalibrating screw, are available individually or on the Titan™ four-valve test and charging manifold. Features include a full-view polycarbonate crystal; Flutterless™ technology with brass surge protector to minimize needle pulsation, brass gauge movement, and copper alloy bourbon tube combine for improved accuracy; and 1/8-inch NPT male connection.

Ritchie Engineering Co. Inc., Yellow Jacket Products Division, 10950 Hampshire Avenue South, Bloomington, MN 55438; 800-769-8370 or 952-943-1300; 800-322-8684 (fax); custserv@yellowjacket.com; www.yellowjacket.com

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