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  • System Sensor HGRL-LF

    SYSTEM SENSOR
    $43.67 - $43.67
    $43.67
    $43.67 - $43.67
    $43.67

    Product Overview Low Frequency Sounder notification appliances meet NFPA 72® 2010/2013 low-frequency requirements for commercial and residential sl...

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    $43.67 - $43.67
    $43.67
    $43.67 - $43.67
    $43.67

  • System Sensor HRL-LF

    SYSTEM SENSOR
    $66.52 - $66.52
    $66.52
    $66.52 - $66.52
    $66.52

    Product Overview The L-Series low-frequency sounders and sounder strobes provide versatile, easy-to-install notification appliances for wall and ce...

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    $66.52 - $66.52
    $66.52
    $66.52 - $66.52
    $66.52

  • SYSTEM SENSOR HWL

    SYSTEM SENSOR
    $31.66 - $31.66
    $31.66
    $31.66 - $31.66
    $31.66

    Product Overview The System Sensor L-Series provides versatile, low-current horns, strobes, and horn-strobe devices with modern design. Available i...

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    $31.66 - $31.66
    $31.66
    $31.66 - $31.66
    $31.66

  • System Sensor HWL-LF

    SYSTEM SENSOR
    $59.35 - $59.35
    $59.35
    $59.35 - $59.35
    $59.35

    Product Overview The L-Series low-frequency sounders and sounder strobes provide versatile, easy-to-install notification appliances for wall and ce...

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    $59.35 - $59.35
    $59.35
    $59.35 - $59.35
    $59.35

  • SYSTEM SENSOR ISO-6

    SYSTEM SENSOR
    $365.03 - $365.03
    $365.03
    $365.03 - $365.03
    $365.03

    Product Overview The ISO-6(A) Six Fault Isolator Module protects a communications loop by isolating shorted sections while allowing the rest of the...

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    $365.03 - $365.03
    $365.03
    $365.03 - $365.03
    $365.03
  • Save $5.00 Save $0.00

    System Sensor Lens-GC2

    SYSTEM SENSOR
    $14.51
    $14.51 - $14.51
    $14.51
    $9.51
    $9.51 - $9.51
    $9.51
    DISCONTINUED

    Product Overview System Sensor SpectrAlert Advance color lens attachments are available in amber, blue, green, and red and are designed for non-fir...

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    $14.51
    $14.51 - $14.51
    $14.51
    $9.51
    $9.51 - $9.51
    $9.51
    Save $5.00 Save $0.00
  • Sold out

    System Sensor Lens-R

    SYSTEM SENSOR
    $15.65 - $15.65
    $15.65
    $15.65 - $15.65
    $15.65
    DISCONTINUED

    Product Overview The System Sensor SpectrAlert Advance LENS-R is a red color lens attachment designed for use with SpectrAlert Advance strobe devic...

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    $15.65 - $15.65
    $15.65
    $15.65 - $15.65
    $15.65
    Sold out

  • SYSTEM SENSOR LENS-R3

    SYSTEM SENSOR
    $12.66 - $12.66
    $12.66
    $12.66 - $12.66
    $12.66

    Product Overview System Sensor L-Series LED color lenses are available in four color options, amber, blue, green, and red providing flexible visual...

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    $12.66 - $12.66
    $12.66
    $12.66 - $12.66
    $12.66
  • Save $4.31 Save $0.00

    System Sensor M02-04-00

    SYSTEM SENSOR
    $11.06
    $11.06 - $11.06
    $11.06
    $6.75
    $6.75 - $6.75
    $6.75

    Product OverviewDesigned for quick and reliable testing of compatible fire alarm and security devices. This replacement test magnet allows technici...

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    $11.06
    $11.06 - $11.06
    $11.06
    $6.75
    $6.75 - $6.75
    $6.75
    Save $4.31 Save $0.00

  • SYSTEM SENSOR M500X

    SYSTEM SENSOR
    $85.31 - $85.31
    $85.31
    $85.31 - $85.31
    $85.31

    Product Overview The System Sensor M500X Fault Isolator Module is designed to maintain the operation of a portion of a signaling line circuit even ...

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    $85.31 - $85.31
    $85.31
    $85.31 - $85.31
    $85.31
  • Sold out

    System Sensor MDL3R

    SYSTEM SENSOR
    $73.27 - $73.27
    $73.27
    $73.27 - $73.27
    $73.27

    Product Overview The MDL3 Sync-Circuit Module is designed to synchronize SpectrAlert® Advance notification appliances. It coordinates strobe flashe...

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    $73.27 - $73.27
    $73.27
    $73.27 - $73.27
    $73.27
    Sold out

  • SYSTEM SENSOR MHR

    SYSTEM SENSOR
    $18.56 - $18.56
    $18.56
    $18.56 - $18.56
    $18.56

    Product Overview The SpectrAlert Advance MH Series Mini-Horns are compact notification devices available in red or white. They support 12 or 24 VDC...

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    $18.56 - $18.56
    $18.56
    $18.56 - $18.56
    $18.56

  • SYSTEM SENSOR MHW

    SYSTEM SENSOR
    $18.86 - $18.86
    $18.86
    $18.86 - $18.86
    $18.86

     The System Sensor MHR and MHW Mini-Horns are compact fire notification devices designed for hotel, motel, and residential applications, where a sm...

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    $18.86 - $18.86
    $18.86
    $18.86 - $18.86
    $18.86
  • Save $5.00 Save $0.00

    SYSTEM SENSOR MWBBCW

    SYSTEM SENSOR
    $52.59
    $52.59 - $52.59
    $52.59
    $47.59
    $47.59 - $47.59
    $47.59

    Product Overview The System Sensor MWBBCW Ceiling Mount Back Box provides a robust and dependable mounting solution for ceiling installations. Cons...

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    $52.59
    $52.59 - $52.59
    $52.59
    $47.59
    $47.59 - $47.59
    $47.59
    Save $5.00 Save $0.00

  • System Sensor MWBBW

    SYSTEM SENSOR
    $45.64 - $45.64
    $45.64
    $45.64 - $45.64
    $45.64
    DISCONTINUED

    Product Overview SpectrAlert Advance mounting accessories provide flexible installation options for strobes, speakers, horns, chimes, and combinati...

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    $45.64 - $45.64
    $45.64
    $45.64 - $45.64
    $45.64

  • SYSTEM SENSOR OSI-R-SS

    SYSTEM SENSOR
    $619.23 - $619.23
    $619.23
    $619.23 - $619.23
    $619.23

    Product Overview The OSI-R-SS is a 4-wire conventional linear optical beam smoke detector designed for fire alarm systems. Operating on the princip...

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    $619.23 - $619.23
    $619.23
    $619.23 - $619.23
    $619.23
  • Sold out

    System Sensor OSY2

    SYSTEM SENSOR
    $158.90
    $158.90 - $158.90
    $158.90
    $135.99
    $135.99 - $135.99
    $135.99

    Product Overview The System Sensor OSY2 Supervisory Switch is designed to monitor the open position of outside screw and yoke (OS&Y) valves use...

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    $158.90
    $158.90 - $158.90
    $158.90
    $135.99
    $135.99 - $135.99
    $135.99
    Sold out

  • SYSTEM SENSOR P2GRKLED

    SYSTEM SENSOR
    $86.84 - $86.84
    $86.84
    $86.84 - $86.84
    $86.84

    Product Overview The L-Series Outdoor Weatherproof Notification Appliances deliver major improvements in current draw and power efficiency compared...

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    $86.84 - $86.84
    $86.84
    $86.84 - $86.84
    $86.84
  • Sold out

    SYSTEM SENSOR P2GWKLED-P

    SYSTEM SENSOR
    $85.60 - $85.60
    $85.60
    $85.60 - $85.60
    $85.60

    Product OverviewThe System Sensor L-Series outdoor notification appliances deliver improved efficiency and modern design, offering significantly lo...

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    $85.60 - $85.60
    $85.60
    $85.60 - $85.60
    $85.60
    Sold out

  • SYSTEM SENSOR P2RLED-BP10

    SYSTEM SENSOR
    $450.52 - $450.52
    $450.52
    $450.52 - $450.52
    $450.52

    Product OverviewThe System Sensor L-Series LED 2-Wire horn strobes are designed to enhance application flexibility while simplifying installation a...

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    $450.52 - $450.52
    $450.52
    $450.52 - $450.52
    $450.52

  • SYSTEM SENSOR P2WLED-P

    SYSTEM SENSOR
    $73.09 - $73.09
    $73.09
    $73.09 - $73.09
    $73.09

    Product OverviewThe System Sensor L-Series LED 2-Wire horn strobes deliver high versatility, easy installation, and low current operation with mode...

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    $73.09 - $73.09
    $73.09
    $73.09 - $73.09
    $73.09

  • SYSTEM SENSOR PC2RL-LF

    SYSTEM SENSOR
    $125.91 - $125.91
    $125.91
    $125.91 - $125.91
    $125.91
    DISCONTINUED

    Product OverviewThe L-Series provides one of the most versatile and user-friendly lines of low frequency sounders and low frequency sounder strobes...

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    $125.91 - $125.91
    $125.91
    $125.91 - $125.91
    $125.91

  • SYSTEM SENSOR PC2RLED

    SYSTEM SENSOR
    $56.92 - $56.92
    $56.92
    $56.92 - $56.92
    $56.92

    Product OverviewThe System Sensor L-Series LED 2-Wire horn strobes deliver exceptional versatility, ease of installation, and energy efficiency wit...

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    $56.92 - $56.92
    $56.92
    $56.92 - $56.92
    $56.92
  • Sold out

    SYSTEM SENSOR PC2WKLED

    SYSTEM SENSOR
    $123.38 - $123.38
    $123.38
    $123.38 - $123.38
    $123.38

    Product OverviewSpectrAlert Advance provides a wide range of outdoor horns, strobes, and horn strobes in white or red housings, with wall or ceilin...

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    $123.38 - $123.38
    $123.38
    $123.38 - $123.38
    $123.38
    Sold out

  • SYSTEM SENSOR PC2WL-LF

    SYSTEM SENSOR
    $116.03 - $116.03
    $116.03
    $116.03 - $116.03
    $116.03
    DISCONTINUED

    Product OverviewThe L-Series Low Frequency Sounders and Sounder Strobes offer versatile, easy-to-install notification solutions for wall and ceilin...

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    $116.03 - $116.03
    $116.03
    $116.03 - $116.03
    $116.03
  • Sold out

    SYSTEM SENSOR PC2WLED

    SYSTEM SENSOR
    $61.69 - $61.69
    $61.69
    $61.69 - $61.69
    $61.69

    Product OverviewThe System Sensor L-Series LED strobes offer versatile, easy-to-install notification solutions with modern aesthetics and lower cur...

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    $61.69 - $61.69
    $61.69
    $61.69 - $61.69
    $61.69
    Sold out

  • SYSTEM SENSOR PR-1

    SYSTEM SENSOR
    $20.05 - $20.05
    $20.05
    $20.05 - $20.05
    $20.05

    Product OverviewSystem Sensor’s multi-voltage conventional relays are designed for high-current switching applications, including fan and damper co...

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    $20.05 - $20.05
    $20.05
    $20.05 - $20.05
    $20.05

  • SYSTEM SENSOR R-14E

    SYSTEM SENSOR
    $124.57 - $124.57
    $124.57
    $124.57 - $124.57
    $124.57

    RELAY SPDT 4 UP W/ENCLOSURE

    $124.57 - $124.57
    $124.57
    $124.57 - $124.57
    $124.57
  • Sold out

    SYSTEM SENSOR R-20T

    SYSTEM SENSOR
    $34.51
    $34.51 - $34.51
    $34.51
    $29.50
    $29.50 - $29.50
    $29.50

    RELAY, DPDT, MULTIVOLT, TRACK MOUNT

    $34.51
    $34.51 - $34.51
    $34.51
    $29.50
    $29.50 - $29.50
    $29.50
    Sold out
  • Save $5.00 Save $0.00

    SYSTEM SENSOR RA100Z

    SYSTEM SENSOR
    $27.83
    $27.83 - $27.83
    $27.83
    $22.83
    $22.83 - $22.83
    $22.83

    REMOTE LED. MOUNTS TO SINGLE GANG BOX.

    $27.83
    $27.83 - $27.83
    $27.83
    $22.83
    $22.83 - $22.83
    $22.83
    Save $5.00 Save $0.00

  • SYSTEM SENSOR REL-2.2K

    SYSTEM SENSOR
    $16.22 - $16.22
    $16.22
    $16.22 - $16.22
    $16.22

    End of line Resistor; 2.2K with Leads

    $16.22 - $16.22
    $16.22
    $16.22 - $16.22
    $16.22

  • System Sensor REL-47K-BP

    SYSTEM SENSOR
    $238.96 - $238.96
    $238.96
    $238.96 - $238.96
    $238.96

    REMOTE END OF LINE RESISTOR 47K OHMS; PKG. OF 10

    $238.96 - $238.96
    $238.96
    $238.96 - $238.96
    $238.96

  • SYSTEM SENSOR RTS151

    SYSTEM SENSOR
    $48.61 - $48.61
    $48.61
    $48.61 - $48.61
    $48.61

    Remote test station; with switch, alarm and power LED.

    $48.61 - $48.61
    $48.61
    $48.61 - $48.61
    $48.61

  • SYSTEM SENSOR RTS151KEY

    SYSTEM SENSOR
    $60.53 - $60.53
    $60.53
    $60.53 - $60.53
    $60.53

    Remote test station; key reset123

    $60.53 - $60.53
    $60.53
    $60.53 - $60.53
    $60.53
  • Sold out

    SYSTEM SENSOR RTS2

    SYSTEM SENSOR
    $114.08 - $114.08
    $114.08
    $114.08 - $114.08
    $114.08

    Multi Signaling Unit, 20 to 29VDC. Key Reset

    $114.08 - $114.08
    $114.08
    $114.08 - $114.08
    $114.08
    Sold out

  • SYSTEM SENSOR SB-10

    SYSTEM SENSOR
    $12.21 - $12.21
    $12.21
    $12.21 - $12.21
    $12.21

    SURFACE-MOUNT BACK BOX FOR PULL STATIONS

    $12.21 - $12.21
    $12.21
    $12.21 - $12.21
    $12.21
  • Sold out

    SYSTEM SENSOR SB-I/O

    SYSTEM SENSOR
    $13.56 - $13.56
    $13.56
    $13.56 - $13.56
    $13.56

    INDOOR/OUTDOOR BACKBOX FOR NBG-12 SERIES; EXCEPT NBG-12LRA, USE IN OUTDOOR APPLICATIONS WITH NBG-12LO (ONLY). UL LISTED. PLASTIC

    $13.56 - $13.56
    $13.56
    $13.56 - $13.56
    $13.56
    Sold out
  • Save $5.00 Save $0.00

    System Sensor SBBCRL

    SYSTEM SENSOR
    $28.93
    $28.93 - $28.93
    $28.93
    $23.93
    $23.93 - $23.93
    $23.93

    L-Series, red, ceiling surface-mountable back box.

    $28.93
    $28.93 - $28.93
    $28.93
    $23.93
    $23.93 - $23.93
    $23.93
    Save $5.00 Save $0.00

  • System Sensor SBBRL

    SYSTEM SENSOR
    $16.50 - $16.50
    $16.50
    $16.50 - $16.50
    $16.50

    WALL SURFACE MOUNT BACK BOX, RED

    $16.50 - $16.50
    $16.50
    $16.50 - $16.50
    $16.50
  • Sold out

    System Sensor SBBSPRL

    SYSTEM SENSOR
    $20.77 - $20.77
    $20.77
    $20.77 - $20.77
    $20.77

    Wall Speaker Surface Mount Back Box, Red

    $20.77 - $20.77
    $20.77
    $20.77 - $20.77
    $20.77
    Sold out
  • Save $5.00 Save $0.00

    SYSTEM SENSOR SBBSPW

    SYSTEM SENSOR
    $25.52
    $25.52 - $25.52
    $25.52
    $20.52
    $20.52 - $20.52
    $20.52

    WALL MOUNT SPEAKER SURFACE MOUNT BACK BOX, WHITE

    $25.52
    $25.52 - $25.52
    $25.52
    $20.52
    $20.52 - $20.52
    $20.52
    Save $5.00 Save $0.00
  • Sold out

    System Sensor SBBSPWL

    SYSTEM SENSOR
    $31.72
    $31.72 - $31.72
    $31.72
    $30.24
    $30.24 - $30.24
    $30.24

    WALL SPEAKER SURFACE MOUNT BACK BOX, WHITE

    $31.72
    $31.72 - $31.72
    $31.72
    $30.24
    $30.24 - $30.24
    $30.24
    Sold out
  • Save $5.00 Save $0.00

    System Sensor SBBW

    SYSTEM SENSOR
    $22.60
    $22.60 - $22.60
    $22.60
    $17.60
    $17.60 - $17.60
    $17.60

    WALL MOUNT SURFACE MOUNT BACK BOX, WHITE

    $22.60
    $22.60 - $22.60
    $22.60
    $17.60
    $17.60 - $17.60
    $17.60
    Save $5.00 Save $0.00

  • SYSTEM SENSOR SBBWL

    SYSTEM SENSOR
    $13.18 - $13.18
    $13.18
    $13.18 - $13.18
    $13.18

    4X4 WALL SURFACE MOUNT BACK BOX, WHITE

    $13.18 - $13.18
    $13.18
    $13.18 - $13.18
    $13.18
  • Sold out

    SYSTEM SENSOR SCRLED

    SYSTEM SENSOR
    $48.78 - $48.78
    $48.78
    $48.78 - $48.78
    $48.78

    LED STROBE; CEILING; RED; FIRE; 2-WIRE

    $48.78 - $48.78
    $48.78
    $48.78 - $48.78
    $48.78
    Sold out
  • Sold out

    SYSTEM SENSOR SCWKLED

    SYSTEM SENSOR
    $88.87 - $88.87
    $88.87
    $88.87 - $88.87
    $88.87

    Outdoor LED Strobe, Ceiling, White, FIRE Lettering

    $88.87 - $88.87
    $88.87
    $88.87 - $88.87
    $88.87
    Sold out
  • Sold out

    SYSTEM SENSOR SCWLED

    SYSTEM SENSOR
    $46.16 - $46.16
    $46.16
    $46.16 - $46.16
    $46.16

    LED STROBE; CEILING; WHITE; FIRE; 2-WIRE

    $46.16 - $46.16
    $46.16
    $46.16 - $46.16
    $46.16
    Sold out
  • Sold out

    SYSTEM SENSOR SCWLED-BP10

    SYSTEM SENSOR
    $545.76
    $545.76 - $545.76
    $545.76
    $429.16
    $429.16 - $429.16
    $429.16

    LED STROBE; CEILING; WHITE; FIRE; 2-WIRE

    $545.76
    $545.76 - $545.76
    $545.76
    $429.16
    $429.16 - $429.16
    $429.16
    Sold out