Showing 97–112 of 363 results

  • selectable output horn strobe

    System Sensor P2WL L-Series Indoor Selectable Output Horn St

    $79.34

    Only 17 left in stock
    • Updated Modern Aesthetics
    • Small profile devices for Horns and Horn Strobes
    • Plug-in design with minimal intrusion into the back box
    • Tamper-resistant construction
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  • selectable output horn

    System Sensor HRL Red Selectable Output Horn

    $47.14

    In stock
    • Updated Modern Aesthetics
    • Small profile devices for Horns and Horn Strobes
    • Plug-in design with minimal intrusion into the back box
    • Tamper-resistant construction
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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

    $32.92

    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

    $30.00

    In stock

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

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  • System Sensor RTS151KEY Key Remote Test and Reset Station

    System Sensor RTS151KEY Key Remote Test and Reset Station

    $96.88

    In stock
    • Alarm Response Time 40 seconds maximum
    • 95% relative humidity, noncondensing Max
    • Weight 0.24 Lbs.
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  • System Sensor SPCWL L-Series Indoor SelectableOutput Speaker, Ceilling Mount, High Fidelity, White

    System Sensor SPCWL L-Series Indoor SelectableOutput Speaker

    $46.46

    In stock
    • Plug-in design and protective cover reduce ground faults
    • Universal mounting plate with an onboard shorting spring tests wiring continuity before installation
    • No extension ring required
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  • System Sensor RTS151 Remote Test Station With Automatic Fire Detector for Duct Smoke Detectors

    System Sensor RTS151 Remote Test Station With Automatic Fire

    $66.65

    In stock
    • LED illuminates red for alarm
    • Alarm LED: 2.8 to 32 VDC, 12 mA max
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  • System Sensor SBBSPRL L-Series Wall Surface Mount Back Box, Speakers and Speaker Strobes, Red

    System Sensor SBBSPRL L-Series Wall Surface Mount Back Box,

    $34.90

    In stock
    • Is easy to locate and can be mounted on varying heights
    • Wall Mount effectively conceals wiring to avoid tripping hazards
    • Comes in red color for a sophisticated and dazzling look
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  • System Sensor RA100Z Remote Annunciator for Both Conventional and Intelligent Application (Replaces BK-DNR)

    System Sensor RA100Z Remote Annunciator for Both Conventiona

    $35.42

    In stock
    • Designed for both conventional and intelligent applications
    • Voltage Range Conventional System: 3.1 to 32 VDC
    • Maximum Alarm Current 10 mA
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  • System Sensor 2151 Photoelectric Low-Profile Plug-In Duct Smoke Detector

    System Sensor 2151 Photoelectric Low-Profile Plug-In Duct Sm

    $87.22

    In stock
    • Listed to Underwriters Laboratories 268A specifically for use in no-flow/low-flow air-handling systems.
    • Low-profile smoke detector design
    • Low standby current
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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

    $28.39

    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

    $56.57

    In stock

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

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  • System Sensor SBBRL L-Series Wall Surface Mount Back Box, 4×4 Horn, Strobes and Horn Strobes, Red

    System Sensor SBBRL L-Series Wall Surface Mount Back Box, 4&

    $29.00

    In stock
    • L-Series Surface Mount Back Boxes are the best solution in locations where you have a hard surface to mount to.
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  • System Sensor P2WK SpectrAlert Advance Outdoor Selectable-Output Horn Strobe

    System Sensor P2WK SpectrAlert Advance Outdoor Selectable-O

    $90.84

    Only 3 left in stock
    • Weatherproof per NEMA 4X, IP56
    • Compatible with System Sensor synchronization protocol and legacy SpectrAlert products
    • Rotary switch for horn tone and three volume selections
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  • System Sensor SBBSPWL L-Series Wall Surface Mount Back Box, Speakers and Speaker Strobes, White

    System Sensor SBBSPWL L-Series Wall Surface Mount Back Box,

    $44.84

    In stock
    • Is easy to locate and can be mounted on varying heights
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  • System Sensor PR-1 Multi-Voltage Conventional Relay, Epoxy Encapsulated (SPDT) Relay With Activation LED

    System Sensor PR-1 Multi-Voltage Conventional Relay, Epoxy E

    $31.08

    In stock
    •  Single-pole double-throw relays
    • Red LED as a visible indication of relay coil energization
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