Bulletin D-190 describes the design and operating specifications of the GMU glycol solution/water make-up unit. According to the manufacturer, the UL-listed unit is designed for applications such as closed-loop heating, chilled water, process systems, snowmelt, and radiant heat. The literature includes line drawings, specifications, and features for the unit. In addition, custom offerings and options are listed.

Bell & Gossett, 8200 N. Austin Ave., Morton Grove, IL 60053; 847-966-3700; 847-966-9052 (fax); www.bellgossett.com

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