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Silent Knight SK-DUCT

Intelligent Air Duct Smoke Detector, LED alarm indication, communication on sensor head, Detects the spread of amoke, UL listed


Honeywell Silent Knight SK-DUCT Intelligent Air Duct Smoke Detector



The SK-Duct Intelligent air duct smoke detector is used with SK-PhotoR (included) for detecting smoke and products of combustion present in air moving through an HVAC air handling system. When smoke is detected in a duct, the unit communicates the condition to the IntelliKnight control panel. The panel, in turn, depending on programming and wiring, turns off fans, blowers, and other devices. The duct housing allows for mounting of SK-Relay addressable relay module. Now there’s even more power and flexibility available to the IntelliKnight family of products!




  • Versatile mounting options: square or rectangular configuration
  • New Cover tamper signal
  • LED alarm indication and communication on sensor head
  • Detects and limits the spread of smoke
  • Rugged steel back box with clear plastic cover
  • Easy to clean
  • Large terminal connection screws
  • Transparent cover for convenient visual inspection
  • Patented sampling tube installs from front or back of the detector with no tools required
  • Available space within housing to accommodate mounting of relay module
  • UL listed

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