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The Simplex 4903-9150 is an Audible Visible Notification appliances with multi-tapped speaker and high-intensity xenon strobe
Weatherproof per NEMA 4X
• Sampling Pipe Length: Up to 200 m per pipe run
The Spectralert Advance System Sensor HR-LF is a red
The detector also features a code-required trouble relay that sends a sensor failure or end-of-life signal to the control panel and central station
System Sensor D4120 Duct Smoke Detector HRL-LF The Simplex 4903-9150 is anSystem Sensor D4120 4 Wire Photoelectric Low Flow Duct Smoke Detector
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