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    Group One System Sensor 2W-B - i3™ Series 2-Wire Conventional Photoelectric Detector

    System Sensor 2W-B

    Smoke Detector, 2 Wire, 12/24VDC
    11 Available
    Group One System Sensor 2WTA-B - i3™ Series 2-Wire Conventional Photoelectric and 135ºF Fixed Temperature Thermal Detector with Built-in Sounder

    System Sensor 2WTA-B

    Smoke Detector, 2 Wire, Heat, Sound
    118 Available
    Picture of System Sensor 4WTA-B

    System Sensor 4WTA-B

    Smoke Detector, 4 Wire, Heat, Sounder
    55 Available
    Picture of System Sensor 5601P

    System Sensor 5601P

    System Sensor 5601P - 135°F Fixed Temp/Rate-of-Rise, Single-Circuit Mechanical Heat Detector with Plain Housing
    173 Available
    Picture of System Sensor 5602

    System Sensor 5602

    Heat Detector 194°F Fixed Temperature / Rate-of-Rise
    13 Available
    Picture of System Sensor 5603

    System Sensor 5603

    Heat Detector 135°F Fixed Temperature
    15 Available
    Picture of System Sensor 5604

    System Sensor 5604

    Heat Detector 194°F Fixed Temperature
    20 Available
    Picture of System Sensor CO1224TR

    System Sensor CO1224TR

    Co Detector 12/24V, Round, UL
    23 Available
    Picture of System Sensor CO-REPL

    System Sensor CO-REPL

    CO Replacement Cell
    50 Available
    Picture of System Sensor COSMO-2W

    System Sensor COSMO-2W

    Combo CO/Smoke Detector, 2 Wire
    255 Available
    Picture of System Sensor COSMOD2W

    System Sensor COSMOD2W

    Interface Module, 2 Wire
    43 Available
    Picture of System Sensor RRS-MOD

    System Sensor RRS-MOD

    Reversing relay/Synchronization Module
    16 Available
    Picture of System Sensor EOLR-1

    System Sensor EOLR-1

    End of Line, 4 Wire Supervision Relay
    20 Available
    Picture of System Sensor MHW

    System Sensor MHW

    System Sensor MHW - Mini Horn, 12/24VDC, White
    39 Available
    Picture of System Sensor P2RK

    System Sensor P2RK

    System Sensor P2RK - Outdoor Horn/Strobe, 12-24VDC
    0 Available
    Group One System Sensor P2GRKLED - Outdoor Horn/Strobe, LED, 24VDC

    System Sensor P2GRKLED

    Outdoor Horn/Strobe, LED, 24VDC
    3 Available
    Group One System Sensor 4WT-B - Smoke Detector, 4-Wire, w/135 Heat Sensor

    System Sensor 4WT-B

    Smoke Detector, 4-Wire, w/135 Heat Sensor
    0 Available
    Group One system Sensor 2WT-B - Smoke Detector, 2-Wire, w/135° Heat Detector

    System Sensor 2WT-B

    Smoke Detector, 2-Wire, w/135° Heat Detector
    0 Available

    System Sensor

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