STI intros heated environmental enclosure

STI is releasing the new Nema 4X certified heated environmental enclosure for all signaling appliance units.

The enclosure is designed for use in areas where temperature or environmental conditions exceed the operational range of fire UL listed strobe signaling devices.

STI-1229HTR, with its heater system provides protection against frigid conditions indoors and outdoors in temperatures from –70oF (-57oC) to +120oF (+49oC).

For more information, call STI at 800-888-4784 or visit the company’s website at

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