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System Sensor Honeywell D4120 4-wire Photoelectric Duct Smoke Detector, US $280 – Picture 0
System Sensor Honeywell D4120 4-wire Photoelectric Duct Smoke Detector, US $280 – Picture 0

System Sensor Honeywell D4120 4-wire Photoelectric Duct Smoke Detector

US $280

  • North Little Rock, Arkansas, United States
  • Oct 19th
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plugin sensor head provides improved false alarm immunity and simple testing, maintenance, and installation. The System Sensor D4120 4Wire Photoelectric LowFlow Duct Smoke Detector features an improved cover design that isolates the sensor head from the lowflow features to offer simple maintenance. The InnovairFlex housing provides ample wiring space, a 3/4inch conduit knockout, and builtin short circuit protection to prevent damage to sensitive components during installation. High contrast terminal designations make wiring easy.

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