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All two-wire detectors being monitored must be UL compatible with the module
it helps firefighters quickly locate a fire in its early stages
• Dual LEDs indicate communications and activate steady when in alarm
New Notifier FSP-851 Intelligent Smoke Detector
you will have access to the features and power needed to ensure you will always be alerted at the first signs of a fire
NIB! SYSTEM SENSOR D4240 4-WIRE DUCT SMOKE DETECTOR NOTIFIER HS-NCM-SF All two-wire detectors being monitoredThe System Sensor D4240 4 wire photoelectric duct smoke detector features a pivoting housing that fits both square and rectangular footprints and mounts to round or rectangular ductwork. Also, this unit operates in airflow speeds of 100 to 4,000 feet per minute, temperatures of 4F to 158F, and a humidity range of 0 to 95 percent (non condensing). Besides, a plug in sensor head offers improved false alarm immunity and simple installation, testing, and
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