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System Sensor

  • 2151 SYSTEM SENSOR

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

    SMOKE DETECTOR HEAD. PHOTO. LOW-PROFILE.

    Original price $47.73 - Original price $47.73
    Original price
    $47.73
    $47.73 - $47.73
    Current price $47.73
  • 2151T SYSTEM SENSOR

    SYSTEM SENSOR
    Original price $0.00 - Original price $0.00
    Original price $0.00
    $76.95
    $76.95 - $76.95
    Current price $76.95
    Pre-order

    PHOTO-THERMAL DETECTOR PLUG-IN. 

    Original price $0.00 - Original price $0.00
    Original price $0.00
    $76.95
    $76.95 - $76.95
    Current price $76.95
  • 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
    $44.91 - $44.91
    Current price $44.91
    In stock

    I3 SMOKE DETECTOR.  2-WIRE PHOTOELETRIC WITH BASE.

    Original price $44.91 - Original price $44.91
    Original price
    $44.91
    $44.91 - $44.91
    Current price $44.91
  • 2WT-B SYSTEM SENSOR

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

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

    Original price $53.27 - Original price $53.27
    Original price
    $53.27
    $53.27 - $53.27
    Current price $53.27
  • 2WTA-B SYSTEM SENSOR

    SYSTEM SENSOR
    Original price $62.20 - Original price $62.20
    Original price
    $62.20
    $62.20 - $62.20
    Current price $62.20
    In stock

    2-WIRE PHOTOELETRIC SMOKE DETECTOR. 

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

    SYSTEM SENSOR
    Original price $60.43 - Original price $60.43
    Original price
    $60.43
    $60.43 - $60.43
    Current price $60.43
    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
    $60.43 - $60.43
    Current price $60.43
  • 4W-B SYSTEM SENSOR

    SYSTEM SENSOR
    Original price $44.69 - Original price $44.69
    Original price
    $44.69
    $44.69 - $44.69
    Current price $44.69
    Out of stock

    4-WIRE PHOTOELETRIC I3 SMOKE DETECTOR.

    Original price $44.69 - Original price $44.69
    Original price
    $44.69
    $44.69 - $44.69
    Current price $44.69
    Sold out
  • 4WT-B SYSTEM SENSOR

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

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

    Original price $57.24 - Original price $57.24
    Original price
    $57.24
    $57.24 - $57.24
    Current price $57.24
  • 4WTA-B SYSTEM SENSOR

    SYSTEM SENSOR
    Original price $65.25 - Original price $65.25
    Original price
    $65.25
    $65.25 - $65.25
    Current price $65.25
    Out of stock

    PHOTOELETRIC SMOKE AND HEAT DETECTOR/SOUNDER.

    Original price $65.25 - Original price $65.25
    Original price
    $65.25
    $65.25 - $65.25
    Current price $65.25
    Sold out
  • 4WTAR-B SYSTEM SENSOR

    SYSTEM SENSOR
    Original price $84.37 - Original price $84.37
    Original price
    $84.37
    $84.37 - $84.37
    Current price $84.37
    In stock

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

    Original price $84.37 - Original price $84.37
    Original price
    $84.37
    $84.37 - $84.37
    Current price $84.37
  • 4WTR-B SYSTEM SENSOR

    SYSTEM SENSOR
    Original price $64.19 - Original price $64.19
    Original price
    $64.19
    $64.19 - $64.19
    Current price $64.19
    In stock

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

    Original price $64.19 - Original price $64.19
    Original price
    $64.19
    $64.19 - $64.19
    Current price $64.19
  • 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 $31.44 - Original price $31.44
    Original price
    $31.44
    $31.44 - $31.44
    Current price $31.44
    Out of stock

    100 SERIES PLUG-IN TERMINAL.

    Original price $31.44 - Original price $31.44
    Original price
    $31.44
    $31.44 - $31.44
    Current price $31.44
    Sold out
  • 5251H SYSTEM SENSOR

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

    Addressable Heat Detector Head, 190F Fixed, Requires Base

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

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

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

    Original price $16.30 - Original price $16.30
    Original price
    $16.30
    $16.30 - $16.30
    Current price $16.30
  • 5602 SYSTEM SENSOR

    SYSTEM SENSOR
    Original price $16.85 - Original price $16.85
    Original price
    $16.85
    $16.85 - $16.85
    Current price $16.85
    In stock

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

    Original price $16.85 - Original price $16.85
    Original price
    $16.85
    $16.85 - $16.85
    Current price $16.85
  • 5603 SYSTEM SENSOR

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

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

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

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

    194 °F (90° C) FIXED TEMPERATURE.

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

    SYSTEM SENSOR
    Original price $39.47 - Original price $39.47
    Original price
    $39.47
    $39.47 - $39.47
    Current price $39.47
    In stock

    135°F FIXED TEMPERATURE.

    Original price $39.47 - Original price $39.47
    Original price
    $39.47
    $39.47 - $39.47
    Current price $39.47
  • 5622 SYSTEM SENSOR

    SYSTEM SENSOR
    Original price $33.25 - Original price $33.25
    Original price
    $33.25
    $33.25 - $33.25
    Current price $33.25
    Out of stock

    194°F FIXED TEMPERATURE RATE OF RISE.

    Original price $33.25 - Original price $33.25
    Original price
    $33.25
    $33.25 - $33.25
    Current price $33.25
    Sold out
  • 5623 SYSTEM SENSOR

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

    • 135â°f fixed heat detector temp only.

    Original price $33.25 - Original price $33.25
    Original price
    $33.25
    $33.25 - $33.25
    Current price $33.25
  • 5624 SYSTEM SENSOR

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

    194°F FIXED TEMPERATURE.

    Original price $33.25 - Original price $33.25
    Original price
    $33.25
    $33.25 - $33.25
    Current price $33.25
  • 5815XL SYSTEM SENSOR

    SYSTEM SENSOR
    Original price $0.00 - Original price $0.00
    Original price $0.00
    $435.87
    $435.87 - $435.87
    Current price $435.87
    Pre-order

    Signaling Line Circuit Expander.

    Original price $0.00 - Original price $0.00
    Original price $0.00
    $435.87
    $435.87 - $435.87
    Current price $435.87
  • 6500-MMK US SYSTEM SENSOR

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

    • Multi Mount Kit.

    Original price $139.83 - Original price $139.83
    Original price
    $139.83
    $139.83 - $139.83
    Current price $139.83
  • 72377B-801 SYSTEM SENSOR

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

    Wall/Pole Mounting Bracket For TCPA-10 Series

    Original price $307.28 - Original price $307.28
    Original price
    $307.28
    $307.28 - $307.28
    Current price $307.28
  • A77-01-02 SYSTEM SENSOR

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

    REPLACEMENT TERMINAL BLOCK KIT FOR WFD SERIES WATERFLOW DETECTORS. 

    Original price $40.37 - Original price $40.37
    Original price
    $40.37
    $40.37 - $40.37
    Current price $40.37
  • 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
    $12.75 - $12.75
    Current price $12.75
    In stock

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

    Original price $12.75 - Original price $12.75
    Original price
    $12.75
    $12.75 - $12.75
    Current price $12.75
  • B110RLP SYSTEM SENSOR

    SYSTEM SENSOR
    Original price $17.70 - Original price $17.70
    Original price
    $17.70
    $17.70 - $17.70
    Current price $17.70
    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
    $17.70 - $17.70
    Current price $17.70
  • B112LP SYSTEM SENSOR

    SYSTEM SENSOR
    Original price $0.00 - Original price $0.00
    Original price $0.00
    $44.21
    $44.21 - $44.21
    Current price $44.21
    Pre-order

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

    Original price $0.00 - Original price $0.00
    Original price $0.00
    $44.21
    $44.21 - $44.21
    Current price $44.21
  • B114LP SYSTEM SENSOR

    SYSTEM SENSOR
    Original price $98.60 - Original price $98.60
    Original price
    $98.60
    $98.60 - $98.60
    Current price $98.60
    In stock

    • Base 6.0" 4w rly (firelite).

    Original price $98.60 - Original price $98.60
    Original price
    $98.60
    $98.60 - $98.60
    Current price $98.60
  • B200S SYSTEM SENSOR - DISCONTINUED

    SYSTEM SENSOR
    Original price $82.31 - Original price $82.31
    Original price
    $82.31
    $82.31 - $82.31
    Current price $82.31
    Low stock

    DISCONTINUED USE B200S-WH OR B200S-IV.

    Original price $82.31 - Original price $82.31
    Original price
    $82.31
    $82.31 - $82.31
    Current price $82.31
  • B200S-IV SYSTEM SENSOR

    SYSTEM SENSOR
    Original price $0.00 - Original price $0.00
    Original price $0.00
    $55.16
    $55.16 - $55.16
    Current price $55.16
    Pre-order

    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
    $55.16
    $55.16 - $55.16
    Current price $55.16
  • 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

    SYSTEM SENSOR
    Original price $83.15 - Original price $83.15
    Original price
    $83.15
    $83.15 - $83.15
    Current price $83.15
    In 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 $83.15 - Original price $83.15
    Original price
    $83.15
    $83.15 - $83.15
    Current price $83.15
  • B200S-LF-WH SYSTEM SENSOR

    SYSTEM SENSOR
    Original price $0.00 - Original price $0.00
    Original price $0.00
    $90.03
    $90.03 - $90.03
    Current price $90.03
    In 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
    $90.03
    $90.03 - $90.03
    Current price $90.03
  • B200S-WH SYSTEM SENSOR

    SYSTEM SENSOR
    Original price $58.64 - Original price $58.64
    Original price
    $58.64
    $58.64 - $58.64
    Current price $58.64
    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
    $58.64 - $58.64
    Current price $58.64
  • B200SR SYSTEM SENSOR - DISCONTINUED

    SYSTEM SENSOR
    Original price $54.93 - Original price $54.93
    Original price
    $54.93
    $54.93 - $54.93
    Current price $54.93
    Out of stock

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

    Original price $54.93 - Original price $54.93
    Original price
    $54.93
    $54.93 - $54.93
    Current price $54.93
    Sold out
  • B200SR-IV SYSTEM SENSOR

    SYSTEM SENSOR
    Original price $0.00 - Original price $0.00
    Original price $0.00
    $63.19
    $63.19 - $63.19
    Current price $63.19
    In stock

    Original price $0.00 - Original price $0.00
    Original price $0.00
    $63.19
    $63.19 - $63.19
    Current price $63.19
  • 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
    $100.39
    $100.39 - $100.39
    Current price $100.39
    Pre-order

    • Addressable Low Frequency Sounder Base, Ivory.

    Original price $0.00 - Original price $0.00
    Original price $0.00
    $100.39
    $100.39 - $100.39
    Current price $100.39
  • B200SR-LF-WH SYSTEM SENSOR

    SYSTEM SENSOR
    Original price $102.73 - Original price $102.73
    Original price
    $102.73
    $102.73 - $102.73
    Current price $102.73
    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
    $102.73 - $102.73
    Current price $102.73
  • B200SR-WH SYSTEM SENSOR

    SYSTEM SENSOR
    Original price $68.85 - Original price $68.85
    Original price
    $68.85
    $68.85 - $68.85
    Current price $68.85
    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
    $68.85 - $68.85
    Current price $68.85
  • B210LP SYSTEM SENSOR - DISCONTINUED

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

    INTELLIGENT FLANGED MOUNTING BASE; IVORY.

    Original price $12.85 - Original price $12.85
    Original price
    $12.85
    $12.85 - $12.85
    Current price $12.85
  • B224BI SYSTEM SENSOR - DISCONTINUED

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

    DISCONTINUED USE B224BI-WH/IV.

    Original price $45.70 - Original price $45.70
    Original price
    $45.70
    $45.70 - $45.70
    Current price $45.70