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  • System Sensor HGRL-LF

    SYSTEM SENSOR
    $60.60 - $60.60
    $60.60
    $60.60 - $60.60
    $60.60

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

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    $60.60 - $60.60
    $60.60
    $60.60 - $60.60
    $60.60

  • System Sensor HRL-LF

    SYSTEM SENSOR
    $92.31 - $92.31
    $92.31
    $92.31 - $92.31
    $92.31

    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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    $92.31 - $92.31
    $92.31
    $92.31 - $92.31
    $92.31

  • SYSTEM SENSOR HWL

    SYSTEM SENSOR
    $43.94 - $43.94
    $43.94
    $43.94 - $43.94
    $43.94

    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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    $43.94 - $43.94
    $43.94
    $43.94 - $43.94
    $43.94

  • System Sensor HWL-LF

    SYSTEM SENSOR
    $82.36 - $82.36
    $82.36
    $82.36 - $82.36
    $82.36

    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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    $82.36 - $82.36
    $82.36
    $82.36 - $82.36
    $82.36

  • SYSTEM SENSOR ISO-6

    SYSTEM SENSOR
    $506.57 - $506.57
    $506.57
    $506.57 - $506.57
    $506.57

    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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    $506.57 - $506.57
    $506.57
    $506.57 - $506.57
    $506.57
  • Save $6.94 Save $0.00

    System Sensor Lens-GC2

    SYSTEM SENSOR
    $20.14
    $20.14 - $20.14
    $20.14
    $13.20
    $13.20 - $13.20
    $13.20
    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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    $20.14
    $20.14 - $20.14
    $20.14
    $13.20
    $13.20 - $13.20
    $13.20
    Save $6.94 Save $0.00
  • Sold out

    System Sensor Lens-R

    SYSTEM SENSOR
    $21.72 - $21.72
    $21.72
    $21.72 - $21.72
    $21.72
    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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    $21.72 - $21.72
    $21.72
    $21.72 - $21.72
    $21.72
    Sold out

  • SYSTEM SENSOR LENS-R3

    SYSTEM SENSOR
    $17.57 - $17.57
    $17.57
    $17.57 - $17.57
    $17.57

    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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    $17.57 - $17.57
    $17.57
    $17.57 - $17.57
    $17.57
  • Save $5.98 Save $0.00

    System Sensor M02-04-00

    SYSTEM SENSOR
    $15.35
    $15.35 - $15.35
    $15.35
    $9.37
    $9.37 - $9.37
    $9.37

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

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    $15.35
    $15.35 - $15.35
    $15.35
    $9.37
    $9.37 - $9.37
    $9.37
    Save $5.98 Save $0.00

  • SYSTEM SENSOR M500X

    SYSTEM SENSOR
    $118.39 - $118.39
    $118.39
    $118.39 - $118.39
    $118.39

    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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    $118.39 - $118.39
    $118.39
    $118.39 - $118.39
    $118.39
  • Sold out

    System Sensor MDL3R

    SYSTEM SENSOR
    $101.68 - $101.68
    $101.68
    $101.68 - $101.68
    $101.68

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

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    $101.68 - $101.68
    $101.68
    $101.68 - $101.68
    $101.68
    Sold out

  • SYSTEM SENSOR MHR

    SYSTEM SENSOR
    $25.76 - $25.76
    $25.76
    $25.76 - $25.76
    $25.76

    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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    $25.76 - $25.76
    $25.76
    $25.76 - $25.76
    $25.76

  • SYSTEM SENSOR MHW

    SYSTEM SENSOR
    $26.17 - $26.17
    $26.17
    $26.17 - $26.17
    $26.17

     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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    $26.17 - $26.17
    $26.17
    $26.17 - $26.17
    $26.17
  • Save $6.94 Save $0.00

    SYSTEM SENSOR MWBBCW

    SYSTEM SENSOR
    $72.98
    $72.98 - $72.98
    $72.98
    $66.04
    $66.04 - $66.04
    $66.04

    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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    $72.98
    $72.98 - $72.98
    $72.98
    $66.04
    $66.04 - $66.04
    $66.04
    Save $6.94 Save $0.00

  • System Sensor MWBBW

    SYSTEM SENSOR
    $63.34 - $63.34
    $63.34
    $63.34 - $63.34
    $63.34
    DISCONTINUED

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

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    $63.34 - $63.34
    $63.34
    $63.34 - $63.34
    $63.34

  • SYSTEM SENSOR OSI-R-SS

    SYSTEM SENSOR
    $859.33 - $859.33
    $859.33
    $859.33 - $859.33
    $859.33

    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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    $859.33 - $859.33
    $859.33
    $859.33 - $859.33
    $859.33
  • Sold out

    System Sensor OSY2

    SYSTEM SENSOR
    $220.51
    $220.51 - $220.51
    $220.51
    $188.72
    $188.72 - $188.72
    $188.72

    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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    $220.51
    $220.51 - $220.51
    $220.51
    $188.72
    $188.72 - $188.72
    $188.72
    Sold out

  • SYSTEM SENSOR P2GRKLED

    SYSTEM SENSOR
    $120.51 - $120.51
    $120.51
    $120.51 - $120.51
    $120.51

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

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    $120.51 - $120.51
    $120.51
    $120.51 - $120.51
    $120.51
  • Sold out

    SYSTEM SENSOR P2GWKLED-P

    SYSTEM SENSOR
    $118.79 - $118.79
    $118.79
    $118.79 - $118.79
    $118.79

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

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    $118.79 - $118.79
    $118.79
    $118.79 - $118.79
    $118.79
    Sold out

  • SYSTEM SENSOR P2RLED-BP10

    SYSTEM SENSOR
    $625.20 - $625.20
    $625.20
    $625.20 - $625.20
    $625.20

    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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    $625.20 - $625.20
    $625.20
    $625.20 - $625.20
    $625.20

  • SYSTEM SENSOR P2WLED-P

    SYSTEM SENSOR
    $101.43 - $101.43
    $101.43
    $101.43 - $101.43
    $101.43

    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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    $101.43 - $101.43
    $101.43
    $101.43 - $101.43
    $101.43

  • SYSTEM SENSOR PC2RL-LF

    SYSTEM SENSOR
    $174.73 - $174.73
    $174.73
    $174.73 - $174.73
    $174.73
    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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    $174.73 - $174.73
    $174.73
    $174.73 - $174.73
    $174.73

  • SYSTEM SENSOR PC2RLED

    SYSTEM SENSOR
    $78.99 - $78.99
    $78.99
    $78.99 - $78.99
    $78.99

    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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    $78.99 - $78.99
    $78.99
    $78.99 - $78.99
    $78.99
  • Sold out

    SYSTEM SENSOR PC2WKLED

    SYSTEM SENSOR
    $171.22 - $171.22
    $171.22
    $171.22 - $171.22
    $171.22

    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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    $171.22 - $171.22
    $171.22
    $171.22 - $171.22
    $171.22
    Sold out

  • SYSTEM SENSOR PC2WL-LF

    SYSTEM SENSOR
    $161.02 - $161.02
    $161.02
    $161.02 - $161.02
    $161.02
    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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    $161.02 - $161.02
    $161.02
    $161.02 - $161.02
    $161.02
  • Sold out

    SYSTEM SENSOR PC2WLED

    SYSTEM SENSOR
    $85.61 - $85.61
    $85.61
    $85.61 - $85.61
    $85.61

    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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    $85.61 - $85.61
    $85.61
    $85.61 - $85.61
    $85.61
    Sold out

  • SYSTEM SENSOR PR-1

    SYSTEM SENSOR
    $27.82 - $27.82
    $27.82
    $27.82 - $27.82
    $27.82

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

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    $27.82 - $27.82
    $27.82
    $27.82 - $27.82
    $27.82

  • SYSTEM SENSOR R-14E

    SYSTEM SENSOR
    $172.87 - $172.87
    $172.87
    $172.87 - $172.87
    $172.87

    RELAY SPDT 4 UP W/ENCLOSURE

    $172.87 - $172.87
    $172.87
    $172.87 - $172.87
    $172.87
  • Sold out

    SYSTEM SENSOR R-20T

    SYSTEM SENSOR
    $47.89
    $47.89 - $47.89
    $47.89
    $40.94
    $40.94 - $40.94
    $40.94

    RELAY, DPDT, MULTIVOLT, TRACK MOUNT

    $47.89
    $47.89 - $47.89
    $47.89
    $40.94
    $40.94 - $40.94
    $40.94
    Sold out
  • Save $6.94 Save $0.00

    SYSTEM SENSOR RA100Z

    SYSTEM SENSOR
    $38.62
    $38.62 - $38.62
    $38.62
    $31.68
    $31.68 - $31.68
    $31.68

    REMOTE LED. MOUNTS TO SINGLE GANG BOX.

    $38.62
    $38.62 - $38.62
    $38.62
    $31.68
    $31.68 - $31.68
    $31.68
    Save $6.94 Save $0.00

  • SYSTEM SENSOR REL-2.2K

    SYSTEM SENSOR
    $22.51 - $22.51
    $22.51
    $22.51 - $22.51
    $22.51

    End of line Resistor; 2.2K with Leads

    $22.51 - $22.51
    $22.51
    $22.51 - $22.51
    $22.51

  • System Sensor REL-47K-BP

    SYSTEM SENSOR
    $331.61 - $331.61
    $331.61
    $331.61 - $331.61
    $331.61

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

    $331.61 - $331.61
    $331.61
    $331.61 - $331.61
    $331.61

  • SYSTEM SENSOR RTS151

    SYSTEM SENSOR
    $67.46 - $67.46
    $67.46
    $67.46 - $67.46
    $67.46

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

    $67.46 - $67.46
    $67.46
    $67.46 - $67.46
    $67.46

  • SYSTEM SENSOR RTS151KEY

    SYSTEM SENSOR
    $84.00 - $84.00
    $84.00
    $84.00 - $84.00
    $84.00

    Remote test station; key reset123

    $84.00 - $84.00
    $84.00
    $84.00 - $84.00
    $84.00
  • Sold out

    SYSTEM SENSOR RTS2

    SYSTEM SENSOR
    $158.31 - $158.31
    $158.31
    $158.31 - $158.31
    $158.31

    Multi Signaling Unit, 20 to 29VDC. Key Reset

    $158.31 - $158.31
    $158.31
    $158.31 - $158.31
    $158.31
    Sold out

  • SYSTEM SENSOR SB-10

    SYSTEM SENSOR
    $16.94 - $16.94
    $16.94
    $16.94 - $16.94
    $16.94

    SURFACE-MOUNT BACK BOX FOR PULL STATIONS

    $16.94 - $16.94
    $16.94
    $16.94 - $16.94
    $16.94
  • Sold out

    SYSTEM SENSOR SB-I/O

    SYSTEM SENSOR
    $18.82 - $18.82
    $18.82
    $18.82 - $18.82
    $18.82

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

    $18.82 - $18.82
    $18.82
    $18.82 - $18.82
    $18.82
    Sold out
  • Save $6.94 Save $0.00

    System Sensor SBBCRL

    SYSTEM SENSOR
    $40.15
    $40.15 - $40.15
    $40.15
    $33.21
    $33.21 - $33.21
    $33.21

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

    $40.15
    $40.15 - $40.15
    $40.15
    $33.21
    $33.21 - $33.21
    $33.21
    Save $6.94 Save $0.00

  • System Sensor SBBRL

    SYSTEM SENSOR
    $22.90 - $22.90
    $22.90
    $22.90 - $22.90
    $22.90

    WALL SURFACE MOUNT BACK BOX, RED

    $22.90 - $22.90
    $22.90
    $22.90 - $22.90
    $22.90
  • Sold out

    System Sensor SBBSPRL

    SYSTEM SENSOR
    $28.82 - $28.82
    $28.82
    $28.82 - $28.82
    $28.82

    Wall Speaker Surface Mount Back Box, Red

    $28.82 - $28.82
    $28.82
    $28.82 - $28.82
    $28.82
    Sold out
  • Save $6.94 Save $0.00

    SYSTEM SENSOR SBBSPW

    SYSTEM SENSOR
    $35.42
    $35.42 - $35.42
    $35.42
    $28.48
    $28.48 - $28.48
    $28.48

    WALL MOUNT SPEAKER SURFACE MOUNT BACK BOX, WHITE

    $35.42
    $35.42 - $35.42
    $35.42
    $28.48
    $28.48 - $28.48
    $28.48
    Save $6.94 Save $0.00
  • Sold out

    System Sensor SBBSPWL

    SYSTEM SENSOR
    $44.02
    $44.02 - $44.02
    $44.02
    $41.97
    $41.97 - $41.97
    $41.97

    WALL SPEAKER SURFACE MOUNT BACK BOX, WHITE

    $44.02
    $44.02 - $44.02
    $44.02
    $41.97
    $41.97 - $41.97
    $41.97
    Sold out
  • Save $6.94 Save $0.00

    System Sensor SBBW

    SYSTEM SENSOR
    $31.36
    $31.36 - $31.36
    $31.36
    $24.42
    $24.42 - $24.42
    $24.42

    WALL MOUNT SURFACE MOUNT BACK BOX, WHITE

    $31.36
    $31.36 - $31.36
    $31.36
    $24.42
    $24.42 - $24.42
    $24.42
    Save $6.94 Save $0.00

  • SYSTEM SENSOR SBBWL

    SYSTEM SENSOR
    $18.29 - $18.29
    $18.29
    $18.29 - $18.29
    $18.29

    4X4 WALL SURFACE MOUNT BACK BOX, WHITE

    $18.29 - $18.29
    $18.29
    $18.29 - $18.29
    $18.29
  • Sold out

    SYSTEM SENSOR SCRLED

    SYSTEM SENSOR
    $67.69 - $67.69
    $67.69
    $67.69 - $67.69
    $67.69

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

    $67.69 - $67.69
    $67.69
    $67.69 - $67.69
    $67.69
    Sold out
  • Sold out

    SYSTEM SENSOR SCWKLED

    SYSTEM SENSOR
    $123.33 - $123.33
    $123.33
    $123.33 - $123.33
    $123.33

    Outdoor LED Strobe, Ceiling, White, FIRE Lettering

    $123.33 - $123.33
    $123.33
    $123.33 - $123.33
    $123.33
    Sold out
  • Sold out

    SYSTEM SENSOR SCWLED

    SYSTEM SENSOR
    $64.06 - $64.06
    $64.06
    $64.06 - $64.06
    $64.06

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

    $64.06 - $64.06
    $64.06
    $64.06 - $64.06
    $64.06
    Sold out
  • Sold out

    SYSTEM SENSOR SCWLED-BP10

    SYSTEM SENSOR
    $757.37
    $757.37 - $757.37
    $757.37
    $595.56
    $595.56 - $595.56
    $595.56

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

    $757.37
    $757.37 - $757.37
    $757.37
    $595.56
    $595.56 - $595.56
    $595.56
    Sold out