Silent Knight SK-DUCT Addressable Photoelectric Duct Detector

  • JMAC SKU: SILENT-KNIGHT-SK-DUCT
$282.30
+ Free Shipping
In Stock
The Silent Knight SK-DUCT is a smoke detector for HVAC ducts in commercial and industrial locations.

Upon detecting smoke in an HVAC Duct, the SK-DUCT will transmit an alarm signal to the IntelliKnight Control Panel. The unit is housed in a heavy duty gray steel back box that is capable of adapting to both square and rectangle footprints. This detector can sense smoke or combustion particles in areas with airflow speeds up to 4000 feet per minute.

UPC: 783863039737
Also known as: SKDUCT

Technical Specifications:
  • (Rectangular): 14.38 in (37 cm) Length; 5in (12.7 cm) Width; 2.5 in (6.6 cm) Depth
  • (Square): 7.75 in (19.7cm) Length; 9 in (22.9cm) Width; 2.5 in (6.35cm) Depth
  • Weight: 1.6lb (0.73kg)
  • Operating Temperature: -4F 158F (-20C 70C)
  • Humidity: 0% 95% (non-condensing)
  • Operating Voltage: 1532 VDC


For more information about the Silent Knight SK-Duct, please contact us.
  • 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


2 Reviews

  • click to add click to add click to add click to add click to add 5
    SILENT-KNIGHT-SK-DUCT

    Posted by 156890 on Jun 1st 2020

  • click to add click to add click to add click to add click to add 5
    SILENT-KNIGHT-SK-DUCT

    Posted by 91303 on Nov 17th 2015