Showing 337–352 of 2249 results

  • System Sensor 4WTR-B Photoelectric i3 Series Smoke Detector, 4-Wire, Thermal Sensor, Form C Relay

    System Sensor 4WTR-B Photoelectric i3 Series Smoke Detector,

    $91.18

    In stock

    • Throughout the i3 series, installation is simple with its installer-friendly base and plug-in design
    • To reduce the likelihood of nuisance alarms, all i3 detectors are equipped with both drift compensation and smoothing algorithms
    • i3 has red and green LEDs to simplify local status indication during power-up, standby, alarm, maintenance, and freeze trouble conditions.
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  • Silent Knight SK-PHOTO-W Series Addressable Photoelectric Smoke Detector

    Silent Knight SK-PHOTO-W Series Addressable Photoelectric Sm

    $86.55

    In stock

    • ย Designed to meet UL 1268 7th Edition
    • ย Sleek and stylish contemporary design
    • ย Stable communication technique with noise immunity
    • ย Addressable by device
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  • alula RE114 Smoke Alarm, Interlogix Compatible

    alula RE114 Smoke Alarm, Interlogix Compatible

    $93.83

    In stock

    • UL217 and ULC-S531 listings
    • Photoelectric technology
    • Built-in temporal 3 sounder
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  • Fire-Lite W-SD355 SWIFT Intelligent Wireless Photoelectric Smoke Detector, Includes B501W Base and CR-123A Batteries

    Fire-Lite W-SD355 SWIFT Intelligent Wireless Photoelectric S

    $396.46

    In stock

    • Unique single-source, dual-chamber design to respond quickly and dependably to a broad range of fires.
    • Removable cover and insect-resistant screen for simple field cleaning.
    • Withstands air velocities up to 4,000 feet-per-minute (20 m/sec.) without triggering a false alarm.
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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

    $90.67

    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 4WITAR-B 4-wire, Photoelectric i3 Smoke Detector with Isolated Thermal Sensor, Built-in Sounder, Form C relay

    System Sensor 4WITAR-B 4-wire, Photoelectric i3 Smoke Detect

    $94.16

    In stock

    • Isolated Thermal Sensor
    • Built-In Sensor
    • Form C Relay
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  • System Sensor OSI-R-SS Reflected Type Beam Smoke Detector, 4-Wire,

    System Sensor OSI-R-SS Reflected Type Beam Smoke Detector, 4

    $1,402.76

    In stock

    • Fast and Easy Alignment
    • Resistant to Building Movement
    • ย Resistant to Sunlight
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  • Kidde KIR-OSD Optica Series Intelligent Optical Smoke Detector

    Kidde KIR-OSD Optica Series Intelligent Optical Smoke Detect

    $53.53

    In stock

    • Multi-criteria optical smoke sensing technology
    • Wide smoke obscuration
    • Integrated nuisance rejection reducing unwanted alarms from general cooking particulates
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  • Kidde i9040 Fire Sentry 9V Battery Operated 4โ€ณ Smoke Alarm

    Kidde i9040 Fire Sentry 9V Battery Operated 4″ Smoke A

    $18.69

    Only 14 left in stock

    • Discreet Design – Four (4) inch diameter
    • Includes 5″ mounting plate
    • 9V Battery included
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  • Qolsys QS5110-840 IQ Smoke Wireless Photoelectric Smoke Detector

    Qolsys QS5110-840 IQ Smoke Wireless Photoelectric Smoke Dete

    $81.14

    In stock

    • “Always on” technology ensures the sensor is monitored around the clock, whether your system is armed or not
    • Ultra sensitive smoke sensor prevents false alarms while constantly monitoring
    • Heat sensor detects the rapid rise in heat that comes from a fire – even when there is no smoke (like an electrical fire)
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  • Potter 5000-008 Fireray 5000 Prism Alignment Adaptor Plate

    Potter 5000-008 Fireray 5000 Prism Alignment Adaptor Plate

    $96.59

    Only 4 left in stock

    Potter 5000-008 Fireray 5000 Prism Alignment Adaptor Plate

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  • Potter PAD300-PD Analog Photoelectric Smoke Detector

    Potter PAD300-PD Analog Photoelectric Smoke Detector

    $70.37

    In stock

    • Low profile, less than 2 inches with the base
    • LED alarm indicator
    • UUKL Listed for Smoke Control
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  • Fire-Lite SD365 Addressable Photoelectric Smoke Detector, LiteSpeed Only, White (Replaces SD355)

    Fire-Lite SD365 Addressable Photoelectric Smoke Detector, Li

    $93.89

    In stock

    • Two-wire SLC loop connection
    • Unit uses base for wiring
    • Compatible with LiteSpeedโ„ข and CLIP protocol systems
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  • Fire-Lite AD365-IV Multi-Criteria Photoelectric Thermal and Infrared Smoke Detector, Ivory

    Fire-Lite AD365-IV Multi-Criteria Photoelectric Thermal and

    $251.05

    In stock

    • Multi-criteria detection
    • UL 268 and UL 521 Listed
    • New modern profile
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  • System Sensor SS-PHOTO SS-Series Photoelectric Smoke Detector

    System Sensor SS-PHOTO SS-Series Photoelectric Smoke Detecto

    $97.91

    In stock

    System Sensor SS-PHOTO SS-Series Photoelectric Smoke Detector, System Sensor
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  • System Sensor SS-PHOTO-CO SS-Series Multi-Criteria Photo/CO Detector without Base

    System Sensor SS-PHOTO-CO SS-Series Multi-Criteria Photo/CO

    $168.56

    Only 10 left in stock

    • Combination smoke and CO detector
    • ย Automatic drift compensation of smoke sensor and CO cell
    • ย Uses only one address on the SLCย RealTestยฎ CO testing capability
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