Duct smoke detectors

System Sensor's InnovairFLex watertight duct smoke detectors can operate without bulky enclosures and in extreme conditions.


InnovairFlex watertight duct smoke detectors from System Sensor can operate without bulky enclosures and in extreme conditions. They can withstand airflow speeds from 100 to 4,000 fpm, temperatures from -4 to 158 F, and humidity ranges from 0% to 95% (noncondensing). The watertight, UV-resistant housing protects against falling dirt, rain, windblown dust, splashing, and hose-directed water. The watertight duct smoke detectors are compatible with all InnovairFlex accessories.

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