Showing 17–32 of 411 results

  • Edwards Signaling FX-PDD Intelligent Addressable Duct Smoke Detector

    Edwards Signaling FX-PDD Intelligent Addressable Duct Smoke

    $185.37

    In stock

    Less than 2″ deep for easy installation and applicationsWhere space is tight
    Status LEDs remain visible through clear assembly cover
    Standard sAling tube spacing for easy drop-in migration from other detectors

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  • Edwards Signaling SD-T42 Duct Detector Accessory, 42″ Sampling Tube

    Edwards Signaling SD-T42 Duct Detector Accessory, 42″

    $26.01

    In stock
    • Less than 2″ deep for easy installation and applicationsWhere space is tight
    • PCB mounted photoelectric sensor with on-board inteliigence
    • Environmental compensation with patented differential sensing
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  • Fire-Lite DNR InnovairFlex Intelligent Low-Flow Non-Delay Duct Smoke Detector Housing

    Fire-Lite DNR InnovairFlex Intelligent Low-Flow Non-Delay Du

    $251.26

    In stock
    • Photoelectric, integrated low-flow technology
    • Versatile mounting options: square or rectangular configuration
    • Cover tamper signal
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  • Fire-Lite OSI-RI-FL Intelligent Addressable Reflector-Type Linear Optical Beam Smoke Detector, UL/ULC listed

    Fire-Lite OSI-RI-FL Intelligent Addressable Reflector-Type L

    $1,372.44

    Only 8 left in stock
    • Fast and easy alignment
    • Resistant to building movement
    • Resistant to sunlight
    • Resistant to foreign object intrusion
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  • System Sensor D4120 4-Wire Photoelectric Low-Flow Duct Smoke Detector (Replaces DH100ACDCLP)

    System Sensor D4120 4-Wire Photoelectric Low-Flow Duct Smoke

    $212.44

    In stock
    • 4-Wire Photoelectric, integrated low-flow technology
    • Versatile mounting options: square or rectangular configuration
    • Increased wiring space with a newly added ¾-inch conduit knockout
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  • System Sensor RTS2 Multi-Signaling Accessory, Without Strobe, for InnovairFlex 4-Wire Conventional Duct Smoke Detectors

    System Sensor RTS2 Multi-Signaling Accessory, Without Strobe

    $179.46

    Only 18 left in stock
    • Can be used to select one of two connected sensors to be tested, reset, or both by a push button switch.
    •  Enables sensitivity measurements using the SENS-RDR sensitivity reader
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  • Silent Knight SK-DUCT-W Intelligent Photoelectric Duct Smoke Detector, Smoke Detector Housing and SK-PHOTO-R-W Detector

    Silent Knight SK-DUCT-W Intelligent Photoelectric Duct Smoke

    $244.40

    In stock
    • Photoelectric, integrated low-flow technology
    • Air velocity rating from 100 ft/min – 4,000 ft/min (0.5 m/s – 20.32 m/s)
    • Broad ranges for operating temperature (-4°F – 158°F, -20°C – 70°C) and humidity (0% – 93% non-condensing)
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  • Fire-Lite D365PL Intelligent Non-Relay Photoelectric Duct Smoke Detector

    Fire-Lite D365PL Intelligent Non-Relay Photoelectric Duct Sm

    $257.11

    In stock
    • Photoelectric, integrated low-flow technology
    • Air velocity rating from 100 ft/min – 4,000 ft/min (0.5 m/s – 20.32 m/s)
    • Broad ranges for operating temperature (-4°F – 158°F, -20°C – 70°C) and humidity (0% – 93% non-condensing)
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  • System Sensor DST3 Metal Sampling Tube Duct Widths 2ft to 4ft

    System Sensor DST3 Metal Sampling Tube Duct Widths 2ft to 4f

    $32.61

    In stock

    System Sensor DST3 Metal Sampling Tube Duct Widths 2ft to 4ft

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  • System Sensor DST5 Metal Sampling Tube Duct Widths 4ft to 8ft

    System Sensor DST5 Metal Sampling Tube Duct Widths 4ft to 8f

    $31.12

    In stock

    System Sensor DST5 Metal Sampling Tube Duct Widths 4ft to 8ft

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  • System Sensor DST1.5 Metal Sampling Tube Duct Widths 1ft to 2ft

    System Sensor DST1.5 Metal Sampling Tube Duct Widths 1ft to

    $34.16

    In stock

    System Sensor DST1.5 Metal Sampling Tube Duct Widths 1ft to 2ft

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  • System Sensor DST10 Metal Sampling Tube Duct Widths 8ft to 12ft

    System Sensor DST10 Metal Sampling Tube Duct Widths 8ft to 1

    $56.44

    In stock

    System Sensor DST10 Metal Sampling Tube Duct Widths 8ft to 12ft

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  • Watertight Duct Smoke Detector

    System Sensor D4120W Watertight 4-Wire Photoelectric Duct Sm

    $304.91

    In stock
    • NEMA Type 4 UL listed for non-hazardous indoor and outdoor applications
    • 4-Wire Photoelectric, integrated low-flow technology
    • UV Resistant, UL listed housing and cover materia
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  • System Sensor DST1 Metal Sampling Tube Duct Width Up to 1ft (0.3m)

    System Sensor DST1 Metal Sampling Tube Duct Width Up to 1ft

    $21.49

    In stock

    System Sensor DST1 Metal Sampling Tube Duct Width Up to 1ft (0.3m)

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  • System Sensor D4S 4-Wire Photoelectric Sensor Component

    System Sensor D4S 4-Wire Photoelectric Sensor Component

    $144.62

    In stock

    System Sensor D4S 4-Wire Photoelectric Sensor Component for  Duct Smoke Detector

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  • System Sensor ST-10 Metal Sampling Tube for Duct widths 4′ – 8′

    System Sensor ST-10 Metal Sampling Tube for Duct widths 4

    $35.13

    Only 20 left in stock

    System Sensor ST-10 Metal Sampling Tube for Duct widths 4′ – 8′

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