System Sensor D2 Duct Detector, Conventional, 2 Wire, Photoelectric 05294 freedom to install the unit

freedom to install the unit at the most desirable alignment angle

intended for indoor and outdoor use

The enhancements built into this model improve false alarm immunity (with plug-in sensor head)

Tyco Head Guard And Shield G4 S3

System Sensor D2 Duct Detector, Conventional, 2 Wire, Photoelectric 05294 freedom to install the unitSystem Sensor BEAM1224S Beam Detector With Test, 4 Wire, Conventional, Single Ended 2 wire photoelectric duct smoke detector The InnovairFlex Series are the only duct smoke detectors flexible enough to fit configurations from square to rectangular and everything in between. Features: Photoelectric, integrated low flow technology Air velocity rating from 100 ft min to 4,000 ft min (0. 5 m s to 20. 32 m sec) Versatile mounting options in square or