The LTU Series of unitized low-intensity gas-fired U-tube heaters has expanded to include 21 different models, with heating capacities from 40,000 to 250,000 Btuh. Available in both natural and propane gas models, the heaters can be used in high air-change environments and mounting heights of 12 feet or higher. These CSA-approved heaters can be used in both commercial and industrial applications. Features include a burner inspection sight glass; diaphragm air proving switch, a safety device for proof of venting before gas flow and ignition; draft inducer equipped with permanently lubricated, totally enclosed, fan-cooled, heavy-duty ball bearing motor; and monitoring light system for online diagnosis. The draft inducer assembly can be used for through-the-roof venting or rotated 45 degrees or 90 degrees for horizontal venting.

Space-Ray, P.O. Box 36485, Charlotte, NC 28236; 800-438-4936 or 704-372-3485; 704-332-5843 (fax); info@spaceray.com; www.spaceray.com

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