The low-intensity SunTube infrared tube heater line offers three models. The reflectors on Model GQ (global quality) rotate independently and all reflectors are in a fixed overlapped position. The SunTube IV Model has rugged, heavy-duty construction to tackle the toughest heating challenges, says the manufacturer. The Stainless Steel Model resists wet, humid, and corrosive environments, the company says. Features of all the models include a 91.7-percent reflectional efficiency design, reflectors that rotate 0 to 45 degrees, a pre-purge cycle, 100-percent safety shutoff, direct-spark ignition, and system validation lights. All three models are available with 40,000 to 200,000 Btuh inputs and tube lengths from 10 to 70 feet.

Solaronics Inc., 704 Woodward Ave., Rochester, MI 48307; 800-223-5335; 248-651-0357 (fax); sales@solaronicsusa.com; www.solaronicsusa.com.

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