D4120 Duct Smoke Sensor features:

  • Photoelectric, integrated low-flow technology
  • Versatile mounting options
  • Plug-in sensor offers superb false alarm immunity
  • Broad ranges for operating temperature and humidity
  • Patented sampling tube installs with no tools required
  • Increased wiring space
  • One easy-access Test/Reset button and improved LED status
  • Patented interconnect feature for multi-fan shutdown
  • New high contrast terminal designations
  • Built-in short circuit protections
  • Field selectable settings for configuring the detector
  • Backward compatibility with existing Innovair products

please feel free to contact us if you need any further information or request a quote.