Innovair Duct Detector D4120

Model d4120 and d4s duct smoke detectors utilize 4 wire photoelectric tech nology for the detection of smoke. Charles illinois 60174 1 800 sensor2 fax. System sensor d4120 4 wire photoelectric low flow duct smoke detector upc.

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System Sensor D4120 Duct Smoke Detector Photoelectric 4 Wire In 2020 Photoelectric Sensor Sensors Technology Detector

System Sensor D4120 Duct Smoke Detector Photoelectric 4 Wire In 2020 Photoelectric Sensor Sensors Technology Detector

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