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Air Products and Controls SL-2000-N

Ionization No Tools Duct Smoke Detector

SKU : SL-2000-N
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About this Item

SL-2000 Series - Duct Mounted Ionization Smoke Detector - No Tools Design, Ionization, 4-Wire, Universal Voltage
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Product Highlights

Air Products and Controls SL-2000-N - Ionization No Tools Duct Smoke Detector

IMPORTANT: This model requires a specially notched sampling tube, which must be purchased separately to complete the installation. Select from models STN-2.5, STN-5.0 or FAST-TUBE.

The SL-2000 Series Smoke Duct Detector is the latest innovation for early detection of smoke and products of combustion present in air moving through HVAC ducts in Commercial, Industrial, and Residential applications. The unit is designed to prevent the recirculation or spread of smoke by air handling systems, fans, and blowers. Complete systems may be shut down in the event of smoke detection. The SL-2000 is designed and built to meet all local code requirements, as well as the NFPA and ICC standards regarding HVAC supply and return duct smoke detectors. Output terminals are provided for a wide range of remote accessories such as horns, strobes, remote status indicators, and test/reset key switches or push buttons.


  • Low-Flow Technology: Both Ionization and Photoelectric models listed for velocities between 100-4000 ft./min
  • Both models listed for high-temperature applications
  • Operating voltages: 230V, 115V, 24V, 24VDC
  • Interconnect up to 30 units for common functions Patent pending "No-Tools Required" front or rear loading and removing sampling/exhaust tubes
  • Patent pending "Test Port Valve" allows for aerosol smoke testing without cover removal
  • Clear cover fitted with four captive "No-Tools Required" thumbscrews
  • Instantaneous cover removal trouble indication
  • Staggered terminal blocks for easier wiring
  • Flashing LED on detector head indicates normal operation
  • Magnet test capability (magnet included)
  • More wiring space than competitive models
  • Footprint allows easy retrofit in many applications without additional drilling
  • Over 15 remote accessories available
  • Duct wall gaskets on back of enclosure are pre-installed
  • Compatible with the WP-2000 weatherproof enclosure
  • Reset switch is also an alarm test switch - competitive models require a magnet or cover removal to test at unit
  • Unit includes green pilot and red alarm visual indicators
  • External mounting tabs do not require cover removal to install
  • Colored cover gasket indicates proper cover seal
  • UL, CUL, CSFM, and MEA Listed
  • Compact, lightweight size means easy handling, lower shipping costs
  • Two sets of 10A form "C" alarm contacts One set of 2A form "A" alarm contacts One set of 10A form "C" trouble contacts
  • Large terminal connection screws
  • Standard interchangeable "plug-in" UL268 photoelectric or ionization heads
  • Advanced detector head design yields internal dust filtering
  • No additional screens or filters to clean
  • Compatible with building automation and fire alarm systems
  • Ionization and Photoelectric versions available
  • Complete wiring details permanently attached to unit.

Manuals & Docs

Air Products and Controls SL-2000-N - Ionization No Tools Duct Smoke Detector
Weight 3 Pound (lb.)
Height 3.54 Inches (In)
Width 4.63 Inches (In)
Length 14.63 Inches (In)
Brand Air Products and Controls
Model Family SL-2000 Series
Voltage 24 VAC or 24 VDC or 115 VAC or 230 VAC
Amps 0.095
Power Source 230VAC, 115VAC, 24V
Cycle/Hertz 60
Batteries Included No
Display No
Battery Backup No
Color Gray
Connection Type Solid or stranded wire
Operating Temperature Range 32°F to 158°F (0°C to 70°C)
Type No Tools, Ionization
Warranty Offered 3 Year
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