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SYSTEM SENSOR

  • 2151 SYSTEM SENSOR

    SYSTEM SENSOR
    Original price $47.73
    Original price $47.73 - Original price $47.73
    Original price $47.73
    Current price $47.28
    $47.28 - $47.28
    Current price $47.28
    In stock

    SMOKE DETECTOR HEAD. PHOTO. LOW-PROFILE.

    Original price $47.73
    Original price $47.73 - Original price $47.73
    Original price $47.73
    Current price $47.28
    $47.28 - $47.28
    Current price $47.28
    Save $0.45 Save $0.00
  • 2151T SYSTEM SENSOR

    SYSTEM SENSOR
    Original price $0.00 - Original price $0.00
    Original price $0.00
    $76.22
    $76.22 - $76.22
    Current price $76.22
    Out of stock

    PHOTO-THERMAL DETECTOR PLUG-IN. 

    Original price $0.00 - Original price $0.00
    Original price $0.00
    $76.22
    $76.22 - $76.22
    Current price $76.22
    Sold out
  • 2251B SYSTEM SENSOR - DISCONTINUED

    SYSTEM SENSOR
    Original price $0.00 - Original price $0.00
    Original price $0.00
    $120.72
    $120.72 - $120.72
    Current price $120.72
    Out of stock

    (Discontinued) PHOTOELETRIC SMOKE DETECTOR. 

    Original price $0.00 - Original price $0.00
    Original price $0.00
    $120.72
    $120.72 - $120.72
    Current price $120.72
    Sold out
  • 2D51 SYSTEM SENSOR

    SYSTEM SENSOR
    Original price $57.04 - Original price $57.04
    Original price
    $57.04
    $57.04 - $57.04
    Current price $57.04
    In stock

    4-Wire Duct Photo Detector Head

    Original price $57.04 - Original price $57.04
    Original price
    $57.04
    $57.04 - $57.04
    Current price $57.04
  • 2W-B SYSTEM SENSOR

    SYSTEM SENSOR
    Original price $44.91
    Original price $44.91 - Original price $44.91
    Original price $44.91
    Current price $43.10
    $43.10 - $43.10
    Current price $43.10
    In stock

    I3 SMOKE DETECTOR.  2-WIRE PHOTOELETRIC WITH BASE.

    Original price $44.91
    Original price $44.91 - Original price $44.91
    Original price $44.91
    Current price $43.10
    $43.10 - $43.10
    Current price $43.10
    Save $1.81 Save $0.00
  • 2WT-B SYSTEM SENSOR

    SYSTEM SENSOR
    Original price $53.27
    Original price $53.27 - Original price $53.27
    Original price $53.27
    Current price $52.76
    $52.76 - $52.76
    Current price $52.76
    In stock

    Photo Detector. 2-Wire. 12/24 VDC. Photo Thermal.

    Original price $53.27
    Original price $53.27 - Original price $53.27
    Original price $53.27
    Current price $52.76
    $52.76 - $52.76
    Current price $52.76
    Save $0.51 Save $0.00
  • 2WTA-B SYSTEM SENSOR

    SYSTEM SENSOR
    Original price $62.20
    Original price $62.20 - Original price $62.20
    Original price $62.20
    Current price $61.61
    $61.61 - $61.61
    Current price $61.61
    Out of stock

    2-WIRE PHOTOELETRIC SMOKE DETECTOR. 

    Original price $62.20
    Original price $62.20 - Original price $62.20
    Original price $62.20
    Current price $61.61
    $61.61 - $61.61
    Current price $61.61
    Sold out
  • 2WTR-B SYSTEM SENSOR

    SYSTEM SENSOR
    Original price $60.43
    Original price $60.43 - Original price $60.43
    Original price $60.43
    Current price $59.85
    $59.85 - $59.85
    Current price $59.85
    In stock

    I3 photo detector, plug-in, 2 wire, 12/24 VDC, 135 °F thermal, form-C relay.

    Original price $60.43
    Original price $60.43 - Original price $60.43
    Original price $60.43
    Current price $59.85
    $59.85 - $59.85
    Current price $59.85
    Save $0.58 Save $0.00
  • 4W-B SYSTEM SENSOR

    SYSTEM SENSOR
    Original price $44.55 - Original price $44.55
    Original price
    $44.55
    $44.55 - $44.55
    Current price $44.55
    In stock

    4-WIRE PHOTOELETRIC I3 SMOKE DETECTOR.

    Original price $44.55 - Original price $44.55
    Original price
    $44.55
    $44.55 - $44.55
    Current price $44.55
  • 4WT-B SYSTEM SENSOR

    SYSTEM SENSOR
    Original price $57.24
    Original price $57.24 - Original price $57.24
    Original price $57.24
    Current price $56.69
    $56.69 - $56.69
    Current price $56.69
    In stock

    I³ PHOTO DETECTOR. 4-WIRE. 12/24 VDC. PHOTO THERMAL.

    Original price $57.24
    Original price $57.24 - Original price $57.24
    Original price $57.24
    Current price $56.69
    $56.69 - $56.69
    Current price $56.69
    Save $0.55 Save $0.00
  • 4WTA-B SYSTEM SENSOR

    SYSTEM SENSOR
    Original price $65.25
    Original price $65.25 - Original price $65.25
    Original price $65.25
    Current price $64.63
    $64.63 - $64.63
    Current price $64.63
    In stock

    PHOTOELETRIC SMOKE AND HEAT DETECTOR/SOUNDER.

    Original price $65.25
    Original price $65.25 - Original price $65.25
    Original price $65.25
    Current price $64.63
    $64.63 - $64.63
    Current price $64.63
    Save $0.62 Save $0.00
  • 4WTAR-B SYSTEM SENSOR

    SYSTEM SENSOR
    Original price $83.56 - Original price $83.56
    Original price
    $83.56
    $83.56 - $83.56
    Current price $83.56
    In stock

    I3 Photo Detector. Plug-in. 4-Wire. 12/24 VDC. 135 °F Thermal. Temporal 85 DBA Sounder. Form-C Relay.

    Original price $83.56 - Original price $83.56
    Original price
    $83.56
    $83.56 - $83.56
    Current price $83.56
  • 4WTR-B SYSTEM SENSOR

    SYSTEM SENSOR
    Original price $63.58 - Original price $63.58
    Original price
    $63.58
    $63.58 - $63.58
    Current price $63.58
    In stock

    4-WIRE. PHOTOELETRIC I3 SMOKE DETECTOR WITH THERMAL SENSOR AND FORM C RELAY.

    Original price $63.58 - Original price $63.58
    Original price
    $63.58
    $63.58 - $63.58
    Current price $63.58
  • 4WTR-BA SYSTEM SENSOR - DISCONTINUED

    SYSTEM SENSOR
    Original price $0.00 - Original price $0.00
    Original price $0.00
    $49.28
    $49.28 - $49.28
    Current price $49.28
    Out of stock

    i3 Photo Detector. Plug-In, 4 Wire, 12.

    Original price $0.00 - Original price $0.00
    Original price $0.00
    $49.28
    $49.28 - $49.28
    Current price $49.28
    Sold out
  • 5151 SYSTEM SENSOR

    SYSTEM SENSOR
    Original price $36.21 - Original price $36.21
    Original price
    $36.21
    $36.21 - $36.21
    Current price $36.21
    Out of stock

    100 SERIES PLUG-IN TERMINAL.

    Original price $36.21 - Original price $36.21
    Original price
    $36.21
    $36.21 - $36.21
    Current price $36.21
    Sold out
  • 5251H SYSTEM SENSOR

    SYSTEM SENSOR
    Original price $41.56
    Original price $41.56 - Original price $41.56
    Original price $41.56
    Current price $41.17
    $41.17 - $41.17
    Current price $41.17
    Out of stock

    Addressable Heat Detector Head, 190F Fixed, Requires Base

    Original price $41.56
    Original price $41.56 - Original price $41.56
    Original price $41.56
    Current price $41.17
    $41.17 - $41.17
    Current price $41.17
    Sold out
  • 5601P SYSTEM SENSOR

    SYSTEM SENSOR
    Original price $16.30
    Original price $16.30 - Original price $16.30
    Original price $16.30
    Current price $16.14
    $16.14 - $16.14
    Current price $16.14
    In stock

    135 °F (57° C) FIXED AND RATE-OF-RISE. (PLAIN).

    Original price $16.30
    Original price $16.30 - Original price $16.30
    Original price $16.30
    Current price $16.14
    $16.14 - $16.14
    Current price $16.14
    Save $0.16 Save $0.00
  • 5602 SYSTEM SENSOR

    SYSTEM SENSOR
    Original price $16.69 - Original price $16.69
    Original price
    $16.69
    $16.69 - $16.69
    Current price $16.69
    In stock

    SINGLE CIRCUIT 194"F(90"C) RATE OF RISE AND FIXED TEMP.

    Original price $16.69 - Original price $16.69
    Original price
    $16.69
    $16.69 - $16.69
    Current price $16.69
  • 5603 SYSTEM SENSOR

    SYSTEM SENSOR
    Original price $16.38
    Original price $16.38 - Original price $16.38
    Original price $16.38
    Current price $16.22
    $16.22 - $16.22
    Current price $16.22
    Out of stock

    135°F Fixed Temperature. Can Replace 283B-PL.

    Original price $16.38
    Original price $16.38 - Original price $16.38
    Original price $16.38
    Current price $16.22
    $16.22 - $16.22
    Current price $16.22
    Sold out
  • 5604 SYSTEM SENSOR

    SYSTEM SENSOR
    Original price $21.00
    Original price $21.00 - Original price $21.00
    Original price $21.00
    Current price $20.80
    $20.80 - $20.80
    Current price $20.80
    Out of stock

    194 °F (90° C) FIXED TEMPERATURE.

    Original price $21.00
    Original price $21.00 - Original price $21.00
    Original price $21.00
    Current price $20.80
    $20.80 - $20.80
    Current price $20.80
    Sold out
  • 5621 SYSTEM SENSOR

    SYSTEM SENSOR
    Original price $39.09 - Original price $39.09
    Original price
    $39.09
    $39.09 - $39.09
    Current price $39.09
    In stock

    135°F FIXED TEMPERATURE.

    Original price $39.09 - Original price $39.09
    Original price
    $39.09
    $39.09 - $39.09
    Current price $39.09
  • 5622 SYSTEM SENSOR

    SYSTEM SENSOR
    Original price $37.93 - Original price $37.93
    Original price
    $37.93
    $37.93 - $37.93
    Current price $37.93
    Out of stock

    194°F FIXED TEMPERATURE RATE OF RISE.

    Original price $37.93 - Original price $37.93
    Original price
    $37.93
    $37.93 - $37.93
    Current price $37.93
    Sold out
  • 5623 SYSTEM SENSOR

    SYSTEM SENSOR
    Original price $33.25
    Original price $33.25 - Original price $33.25
    Original price $33.25
    Current price $32.94
    $32.94 - $32.94
    Current price $32.94
    In stock

    • 135â°f fixed heat detector temp only.

    Original price $33.25
    Original price $33.25 - Original price $33.25
    Original price $33.25
    Current price $32.94
    $32.94 - $32.94
    Current price $32.94
    Save $0.31 Save $0.00
  • 5624 SYSTEM SENSOR

    SYSTEM SENSOR
    Original price $33.25
    Original price $33.25 - Original price $33.25
    Original price $33.25
    Current price $32.92
    $32.92 - $32.92
    Current price $32.92
    In stock

    194°F FIXED TEMPERATURE.

    Original price $33.25
    Original price $33.25 - Original price $33.25
    Original price $33.25
    Current price $32.92
    $32.92 - $32.92
    Current price $32.92
    Save $0.33 Save $0.00
  • 5815XL SYSTEM SENSOR

    SYSTEM SENSOR
    Original price $0.00 - Original price $0.00
    Original price $0.00
    $412.77
    $412.77 - $412.77
    Current price $412.77
    Low stock

    Signaling Line Circuit Expander.

    Original price $0.00 - Original price $0.00
    Original price $0.00
    $412.77
    $412.77 - $412.77
    Current price $412.77
  • 6500-MMK US SYSTEM SENSOR

    SYSTEM SENSOR
    Original price $139.83
    Original price $139.83 - Original price $139.83
    Original price $139.83
    Current price $138.50
    $138.50 - $138.50
    Current price $138.50
    In stock

    • Multi Mount Kit.

    Original price $139.83
    Original price $139.83 - Original price $139.83
    Original price $139.83
    Current price $138.50
    $138.50 - $138.50
    Current price $138.50
    Save $1.33 Save $0.00
  • 72377B-801 SYSTEM SENSOR

    SYSTEM SENSOR
    Original price $307.28
    Original price $307.28 - Original price $307.28
    Original price $307.28
    Current price $304.36
    $304.36 - $304.36
    Current price $304.36
    Low stock

    Wall/Pole Mounting Bracket For TCPA-10 Series

    Original price $307.28
    Original price $307.28 - Original price $307.28
    Original price $307.28
    Current price $304.36
    $304.36 - $304.36
    Current price $304.36
    Save $2.92 Save $0.00
  • A77-01-02 SYSTEM SENSOR

    SYSTEM SENSOR
    Original price $40.37
    Original price $40.37 - Original price $40.37
    Original price $40.37
    Current price $39.99
    $39.99 - $39.99
    Current price $39.99
    In stock

    REPLACEMENT TERMINAL BLOCK KIT FOR WFD SERIES WATERFLOW DETECTORS. 

    Original price $40.37
    Original price $40.37 - Original price $40.37
    Original price $40.37
    Current price $39.99
    $39.99 - $39.99
    Current price $39.99
    Save $0.38 Save $0.00
  • A77-716B SYSTEM SENSOR - DISCONTINUED

    SYSTEM SENSOR
    Original price $24.18 - Original price $24.18
    Original price
    $24.18
    $24.18 - $24.18
    Current price $24.18
    Out of stock

    DISCONTINUED USE EOLR-1.

    Original price $24.18 - Original price $24.18
    Original price
    $24.18
    $24.18 - $24.18
    Current price $24.18
    Sold out
  • APB200 SYSTEM SENSOR - DISCONTINUED

    SYSTEM SENSOR
    Original price $0.00 - Original price $0.00
    Original price $0.00
    $73.50
    $73.50 - $73.50
    Current price $73.50
    Out of stock

    AP SERIES INTELLIGENT SOUNDER BASE.

    Original price $0.00 - Original price $0.00
    Original price $0.00
    $73.50
    $73.50 - $73.50
    Current price $73.50
    Sold out
  • B110LP SYSTEM SENSOR

    SYSTEM SENSOR
    Original price $12.75
    Original price $12.75 - Original price $12.75
    Original price $12.75
    Current price $12.63
    $12.63 - $12.63
    Current price $12.63
    In stock

    Base. 2-Wire. Low-Profile. Flanged. 12/24VDC.

    Original price $12.75
    Original price $12.75 - Original price $12.75
    Original price $12.75
    Current price $12.63
    $12.63 - $12.63
    Current price $12.63
    Save $0.12 Save $0.00
  • B110RLP SYSTEM SENSOR

    SYSTEM SENSOR
    Original price $17.70
    Original price $17.70 - Original price $17.70
    Original price $17.70
    Current price $17.53
    $17.53 - $17.53
    Current price $17.53
    Low stock

    • B110RLP is a 2-wire base with a 470 Ohm current limiting resistor for use with 100 Series smoke detectors.

    Original price $17.70
    Original price $17.70 - Original price $17.70
    Original price $17.70
    Current price $17.53
    $17.53 - $17.53
    Current price $17.53
    Save $0.17 Save $0.00
  • B112LP SYSTEM SENSOR

    SYSTEM SENSOR
    Original price $0.00 - Original price $0.00
    Original price $0.00
    $43.78
    $43.78 - $43.78
    Current price $43.78
    Out of stock

    • Base, 4-wire, Low-profile, Form-a&c, 24vdc.

    Original price $0.00 - Original price $0.00
    Original price $0.00
    $43.78
    $43.78 - $43.78
    Current price $43.78
    Sold out
  • B114LP SYSTEM SENSOR

    SYSTEM SENSOR
    Original price $100.72 - Original price $100.72
    Original price
    $100.72
    $100.72 - $100.72
    Current price $100.72
    In stock

    • Base 6.0" 4w rly (firelite).

    Original price $100.72 - Original price $100.72
    Original price
    $100.72
    $100.72 - $100.72
    Current price $100.72
  • B200S SYSTEM SENSOR - DISCONTINUED

    SYSTEM SENSOR
    Original price $82.31
    Original price $82.31 - Original price $82.31
    Original price $82.31
    Current price $81.53
    $81.53 - $81.53
    Current price $81.53
    Out of stock

    DISCONTINUED USE B200S-WH OR B200S-IV.

    Original price $82.31
    Original price $82.31 - Original price $82.31
    Original price $82.31
    Current price $81.53
    $81.53 - $81.53
    Current price $81.53
    Sold out
  • B200S-IV SYSTEM SENSOR - DISCONTINUED

    SYSTEM SENSOR
    Original price $0.00 - Original price $0.00
    Original price $0.00
    $62.16
    $62.16 - $62.16
    Current price $62.16
    Out of stock

    INTELLIGENT. ADDRESSABLE. PROGRAMMABLE PLUG-IN SOUNDER BASE HIGH OR LOW VOLUME OUTPUT WITH ANSI TEMPORAL 3 OR TEMPORAL 4. CONTINUOUS. MARCH OR CUS...

    View full details
    Original price $0.00 - Original price $0.00
    Original price $0.00
    $62.16
    $62.16 - $62.16
    Current price $62.16
    Sold out
  • B200S-LF SYSTEM SENSOR - DISCONTINUED

    SYSTEM SENSOR
    Original price $0.00 - Original price $0.00
    Original price $0.00
    $131.42
    $131.42 - $131.42
    Current price $131.42
    Out of stock

    DISCONTINUED. WHITE LOW FREQUENCY (520 Hz) INTELLIGENT SYNCRONIZABLE.  SOUNDER BASE DESIGNED FOR NEW AND EXISTING DWELLING UNIT APPLICATIONS.

    Original price $0.00 - Original price $0.00
    Original price $0.00
    $131.42
    $131.42 - $131.42
    Current price $131.42
    Sold out
  • B200S-LF-IV SYSTEM SENSOR - DISCONTINUED

    SYSTEM SENSOR
    Original price $86.45 - Original price $86.45
    Original price
    $86.45
    $86.45 - $86.45
    Current price $86.45
    Low stock

    INTELLIGENT. ADDRESSABLE. PROGRAMMABLE LOW FREQUENCY PLUG-IN SOUNDER BASE. HIGH OR LOW VOLUME OUTPUT WITH ANSI TEMPORAL 3 OR TEMPORAL 4. CONTINUOU...

    View full details
    Original price $86.45 - Original price $86.45
    Original price
    $86.45
    $86.45 - $86.45
    Current price $86.45
  • B200S-LF-WH SYSTEM SENSOR

    SYSTEM SENSOR
    Original price $0.00 - Original price $0.00
    Original price $0.00
    $89.17
    $89.17 - $89.17
    Current price $89.17
    Out of stock

    INTELLIGENT. ADDRESSABLE. PROGRAMMABLE LOW FREQUENCY PLUG-IN SOUNDER BASE. HIGH OR LOW VOLUME OUTPUT WITH ANSI TEMPORAL 3 OR TEMPORAL 4. CONTINUOU...

    View full details
    Original price $0.00 - Original price $0.00
    Original price $0.00
    $89.17
    $89.17 - $89.17
    Current price $89.17
    Sold out
  • B200S-WH SYSTEM SENSOR

    SYSTEM SENSOR
    Original price $58.64
    Original price $58.64 - Original price $58.64
    Original price $58.64
    Current price $58.08
    $58.08 - $58.08
    Current price $58.08
    In stock

    INTELLIGENT. ADDRESSABLE. PROGRAMMABLE PLUG-IN SOUNDER BASE HIGH OR LOW VOLUME OUTPUT WITH ANSI TEMPORAL 3 OR TEMPORAL 4. CONTINUOUS. MARCH OR CUS...

    View full details
    Original price $58.64
    Original price $58.64 - Original price $58.64
    Original price $58.64
    Current price $58.08
    $58.08 - $58.08
    Current price $58.08
    Save $0.56 Save $0.00
  • B200SR SYSTEM SENSOR - DISCONTINUED

    SYSTEM SENSOR
    Original price $54.40 - Original price $54.40
    Original price
    $54.40
    $54.40 - $54.40
    Current price $54.40
    Out of stock

    • Intelligent Plug-in Sounder Base With Ansi Temporal 3 Or Continuous Tone.

    Original price $54.40 - Original price $54.40
    Original price
    $54.40
    $54.40 - $54.40
    Current price $54.40
    Sold out
  • B200SR-IV SYSTEM SENSOR - DISCONTINUED

    SYSTEM SENSOR
    Original price $0.00 - Original price $0.00
    Original price $0.00
    $62.59
    $62.59 - $62.59
    Current price $62.59
    In stock

    Intelligent Plug-in Sounder Base  

    Original price $0.00 - Original price $0.00
    Original price $0.00
    $62.59
    $62.59 - $62.59
    Current price $62.59
  • B200SR-LF SYSTEM SENSOR - DISCONTINUED

    SYSTEM SENSOR
    Original price $0.00 - Original price $0.00
    Original price $0.00
    $101.05
    $101.05 - $101.05
    Current price $101.05
    Out of stock

    DISCONTINUED USE B200SR-LF-WH OR IV.

    Original price $0.00 - Original price $0.00
    Original price $0.00
    $101.05
    $101.05 - $101.05
    Current price $101.05
    Sold out
  • B200SR-LF-IV SYSTEM SENSOR

    SYSTEM SENSOR
    Original price $0.00 - Original price $0.00
    Original price $0.00
    $126.28
    $126.28 - $126.28
    Current price $126.28
    Out of stock

    • Addressable Low Frequency Sounder Base, Ivory.

    Original price $0.00 - Original price $0.00
    Original price $0.00
    $126.28
    $126.28 - $126.28
    Current price $126.28
    Sold out
  • B200SR-LF-WH SYSTEM SENSOR

    SYSTEM SENSOR
    Original price $102.73
    Original price $102.73 - Original price $102.73
    Original price $102.73
    Current price $101.75
    $101.75 - $101.75
    Current price $101.75
    In stock

    Intelligent low-frequency Plug-In sounder base With Ansi temporal 3 or continuous tone. White.

    Original price $102.73
    Original price $102.73 - Original price $102.73
    Original price $102.73
    Current price $101.75
    $101.75 - $101.75
    Current price $101.75
    Save $0.98 Save $0.00
  • B200SR-WH SYSTEM SENSOR

    SYSTEM SENSOR
    Original price $68.85
    Original price $68.85 - Original price $68.85
    Original price $68.85
    Current price $68.19
    $68.19 - $68.19
    Current price $68.19
    In stock

    Intelligent plug-in sounder base with ansi temporal 3 or continuous tone; white.

    Original price $68.85
    Original price $68.85 - Original price $68.85
    Original price $68.85
    Current price $68.19
    $68.19 - $68.19
    Current price $68.19
    Save $0.66 Save $0.00
  • B210LP SYSTEM SENSOR - DISCONTINUED

    SYSTEM SENSOR
    Original price $12.85
    Original price $12.85 - Original price $12.85
    Original price $12.85
    Current price $10.28
    $10.28 - $10.28
    Current price $10.28
    In stock

    INTELLIGENT FLANGED MOUNTING BASE; IVORY.

    Original price $12.85
    Original price $12.85 - Original price $12.85
    Original price $12.85
    Current price $10.28
    $10.28 - $10.28
    Current price $10.28
    Save $2.57 Save $0.00
  • B224BI SYSTEM SENSOR - DISCONTINUED

    SYSTEM SENSOR
    Original price $45.70
    Original price $45.70 - Original price $45.70
    Original price $45.70
    Current price $45.26
    $45.26 - $45.26
    Current price $45.26
    In stock

    DISCONTINUED USE B224BI-WH/IV.

    Original price $45.70
    Original price $45.70 - Original price $45.70
    Original price $45.70
    Current price $45.26
    $45.26 - $45.26
    Current price $45.26
    Save $0.44 Save $0.00