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SYSTEM SENSOR

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  • Save $0.63 Save $0.00

    2151 SYSTEM SENSOR

    SYSTEM SENSOR
    $66.31
    $66.31 - $66.31
    $66.31
    $65.68
    $65.68 - $65.68
    $65.68
    In stock

    Smoke Detector Head, Photo, Low-Profile

    $66.31
    $66.31 - $66.31
    $66.31
    $65.68
    $65.68 - $65.68
    $65.68
    Save $0.63 Save $0.00
  • 2151T SYSTEM SENSOR
    Sold out

    2151T SYSTEM SENSOR

    SYSTEM SENSOR
    $0.00 - $0.00
    $0.00
    $105.88
    $105.88 - $105.88
    $105.88
    Out of stock

    PHOTO-THERMAL DETECTOR PLUG-IN. 

    $0.00 - $0.00
    $0.00
    $105.88
    $105.88 - $105.88
    $105.88
    Sold out
  • 2251B SYSTEM SENSOR
    Sold out

    2251B SYSTEM SENSOR - DISCONTINUED

    SYSTEM SENSOR
    $0.00 - $0.00
    $0.00
    $167.70
    $167.70 - $167.70
    $167.70
    Out of stock

    (Discontinued) PHOTOELETRIC SMOKE DETECTOR. 

    $0.00 - $0.00
    $0.00
    $167.70
    $167.70 - $167.70
    $167.70
    Sold out

  • 2D51 SYSTEM SENSOR

    SYSTEM SENSOR
    $79.24 - $79.24
    $79.24
    $79.24 - $79.24
    $79.24
    Low stock

    4- WIRE DUCT PHOTO DETECTOR HEAD

    $79.24 - $79.24
    $79.24
    $79.24 - $79.24
    $79.24
  • Save $2.52 Save $0.00

    2W-B SYSTEM SENSOR

    SYSTEM SENSOR
    $62.39
    $62.39 - $62.39
    $62.39
    $59.87
    $59.87 - $59.87
    $59.87
    In stock

    i3 smoke detector, 2-wire photoelectric with base

    $62.39
    $62.39 - $62.39
    $62.39
    $59.87
    $59.87 - $59.87
    $59.87
    Save $2.52 Save $0.00
  • 2WT-B SYSTEM SENSOR
    Save $0.71 Save $0.00

    2WT-B SYSTEM SENSOR

    SYSTEM SENSOR
    $74.00
    $74.00 - $74.00
    $74.00
    $73.29
    $73.29 - $73.29
    $73.29
    In stock

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

    $74.00
    $74.00 - $74.00
    $74.00
    $73.29
    $73.29 - $73.29
    $73.29
    Save $0.71 Save $0.00
  • Save $0.82 Save $0.00

    2WTA-B SYSTEM SENSOR

    SYSTEM SENSOR
    $86.41
    $86.41 - $86.41
    $86.41
    $85.59
    $85.59 - $85.59
    $85.59
    In stock

    2-Wire Photoelectric Smoke Detector

    $86.41
    $86.41 - $86.41
    $86.41
    $85.59
    $85.59 - $85.59
    $85.59
    Save $0.82 Save $0.00
  • Save $0.81 Save $0.00

    2WTR-B SYSTEM SENSOR

    SYSTEM SENSOR
    $83.95
    $83.95 - $83.95
    $83.95
    $83.14
    $83.14 - $83.14
    $83.14
    In stock

    I3 PHOTO DETECTOR, PLUG-IN, 2-WIRE, 12/24 VDC, 135 °F THERMAL, FORM-C RELAY.

    $83.95
    $83.95 - $83.95
    $83.95
    $83.14
    $83.14 - $83.14
    $83.14
    Save $0.81 Save $0.00
  • 4W-B SYSTEM SENSOR

    4W-B SYSTEM SENSOR

    SYSTEM SENSOR
    $61.89 - $61.89
    $61.89
    $61.89 - $61.89
    $61.89
    In stock

    4-wire Photoelectric i3 Smoke Detector

    $61.89 - $61.89
    $61.89
    $61.89 - $61.89
    $61.89
  • Save $0.77 Save $0.00

    4WT-B SYSTEM SENSOR

    SYSTEM SENSOR
    $79.52
    $79.52 - $79.52
    $79.52
    $78.75
    $78.75 - $78.75
    $78.75
    In stock

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

    $79.52
    $79.52 - $79.52
    $79.52
    $78.75
    $78.75 - $78.75
    $78.75
    Save $0.77 Save $0.00
  • Sold out

    4WTA-B SYSTEM SENSOR

    SYSTEM SENSOR
    $90.65
    $90.65 - $90.65
    $90.65
    $89.78
    $89.78 - $89.78
    $89.78
    Out of stock

    Photoelectric Smoke and Heat Detector / Sounder

    $90.65
    $90.65 - $90.65
    $90.65
    $89.78
    $89.78 - $89.78
    $89.78
    Sold out

  • 4WTAR-B SYSTEM SENSOR

    SYSTEM SENSOR
    $116.08 - $116.08
    $116.08
    $116.08 - $116.08
    $116.08
    In stock

    I3 PHOTO DETECTOR, PLUG-IN, 4-WIRE, 12/24 VDC, 135 °F THERMAL, TEMPORAL 85 DBA SOUNDER, FORM-C RELAY.

    $116.08 - $116.08
    $116.08
    $116.08 - $116.08
    $116.08

  • 4WTR-B SYSTEM SENSOR

    SYSTEM SENSOR
    $88.33 - $88.33
    $88.33
    $88.33 - $88.33
    $88.33
    In stock

    4-wire, photoelectric i3 smoke detector with thermal sensor and Form C relay.

    $88.33 - $88.33
    $88.33
    $88.33 - $88.33
    $88.33
  • Sold out

    4WTR-BA SYSTEM SENSOR - DISCONTINUED

    SYSTEM SENSOR
    $0.00 - $0.00
    $0.00
    $68.46
    $68.46 - $68.46
    $68.46
    Out of stock

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

    $0.00 - $0.00
    $0.00
    $68.46
    $68.46 - $68.46
    $68.46
    Sold out
  • Sold out

    5151 SYSTEM SENSOR

    SYSTEM SENSOR
    $50.30 - $50.30
    $50.30
    $50.30 - $50.30
    $50.30
    Out of stock

    100 SERIES PLUG-IN TERMINAL

    $50.30 - $50.30
    $50.30
    $50.30 - $50.30
    $50.30
    Sold out
  • Sold out

    5251H SYSTEM SENSOR

    SYSTEM SENSOR
    $57.74
    $57.74 - $57.74
    $57.74
    $57.19
    $57.19 - $57.19
    $57.19
    Out of stock

    Addressable Heat Detector Head, 190F Fixed, Requires Base

    $57.74
    $57.74 - $57.74
    $57.74
    $57.19
    $57.19 - $57.19
    $57.19
    Sold out
  • 5601P SYSTEM SENSOR
    Save $0.22 Save $0.00

    5601P SYSTEM SENSOR

    SYSTEM SENSOR
    $22.64
    $22.64 - $22.64
    $22.64
    $22.42
    $22.42 - $22.42
    $22.42
    In stock

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

    $22.64
    $22.64 - $22.64
    $22.64
    $22.42
    $22.42 - $22.42
    $22.42
    Save $0.22 Save $0.00
  • 5602 SYSTEM SENSOR

    5602 SYSTEM SENSOR

    SYSTEM SENSOR
    $23.19 - $23.19
    $23.19
    $23.19 - $23.19
    $23.19
    In stock

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

    $23.19 - $23.19
    $23.19
    $23.19 - $23.19
    $23.19
  • 5603 SYSTEM SENSOR
    Sold out

    5603 SYSTEM SENSOR

    SYSTEM SENSOR
    $22.76
    $22.76 - $22.76
    $22.76
    $22.53
    $22.53 - $22.53
    $22.53
    Out of stock

    135°F FIXED TEMPERATURE....CAN REPLACE 283B-PL

    $22.76
    $22.76 - $22.76
    $22.76
    $22.53
    $22.53 - $22.53
    $22.53
    Sold out
  • Sold out

    5604 SYSTEM SENSOR

    SYSTEM SENSOR
    $29.17
    $29.17 - $29.17
    $29.17
    $28.90
    $28.90 - $28.90
    $28.90
    Out of stock

    194 °F (90° C) FIXED TEMPERATURE.

    $29.17
    $29.17 - $29.17
    $29.17
    $28.90
    $28.90 - $28.90
    $28.90
    Sold out
  • 5621 SYSTEM SENSOR

    5621 SYSTEM SENSOR

    SYSTEM SENSOR
    $54.30 - $54.30
    $54.30
    $54.30 - $54.30
    $54.30
    In stock

    135°F FIXED TEMPERATURE

    $54.30 - $54.30
    $54.30
    $54.30 - $54.30
    $54.30
  • 5622 SYSTEM SENSOR
    Sold out

    5622 SYSTEM SENSOR

    SYSTEM SENSOR
    $52.69 - $52.69
    $52.69
    $52.69 - $52.69
    $52.69
    Out of stock

    194°F FIXED TEMPERATURE RATE OF RISE.

    $52.69 - $52.69
    $52.69
    $52.69 - $52.69
    $52.69
    Sold out
  • 5623 SYSTEM SENSOR
    Save $0.43 Save $0.00

    5623 SYSTEM SENSOR

    SYSTEM SENSOR
    $46.19
    $46.19 - $46.19
    $46.19
    $45.76
    $45.76 - $45.76
    $45.76
    In stock

    135°F FIXED HEAT DETECTOR TEMP ONLY

    $46.19
    $46.19 - $46.19
    $46.19
    $45.76
    $45.76 - $45.76
    $45.76
    Save $0.43 Save $0.00
  • 5624 SYSTEM SENSOR
    Save $0.46 Save $0.00

    5624 SYSTEM SENSOR

    SYSTEM SENSOR
    $46.19
    $46.19 - $46.19
    $46.19
    $45.73
    $45.73 - $45.73
    $45.73
    In stock

    194 °F (90° C) FIXED TEMPERATURE, DUAL CIRCUIT, NORMALLY OPEN

    $46.19
    $46.19 - $46.19
    $46.19
    $45.73
    $45.73 - $45.73
    $45.73
    Save $0.46 Save $0.00
  • Save $1.85 Save $0.00

    6500-MMK US SYSTEM SENSOR

    SYSTEM SENSOR
    $194.25
    $194.25 - $194.25
    $194.25
    $192.40
    $192.40 - $192.40
    $192.40
    In stock

    • Multi Mount Kit.

    $194.25
    $194.25 - $194.25
    $194.25
    $192.40
    $192.40 - $192.40
    $192.40
    Save $1.85 Save $0.00
  • Save $4.05 Save $0.00

    72377B-801 SYSTEM SENSOR

    SYSTEM SENSOR
    $426.87
    $426.87 - $426.87
    $426.87
    $422.82
    $422.82 - $422.82
    $422.82
    Low stock

    Wall/Pole Mounting Bracket For TCPA-10 Series

    $426.87
    $426.87 - $426.87
    $426.87
    $422.82
    $422.82 - $422.82
    $422.82
    Save $4.05 Save $0.00
  • Save $0.53 Save $0.00

    A77-01-02 SYSTEM SENSOR

    SYSTEM SENSOR
    $56.08
    $56.08 - $56.08
    $56.08
    $55.55
    $55.55 - $55.55
    $55.55
    In stock

    REPLACEMENT TERMINAL BLOCK KIT FOR WFD SERIES WATERFLOW DETECTORS. 

    $56.08
    $56.08 - $56.08
    $56.08
    $55.55
    $55.55 - $55.55
    $55.55
    Save $0.53 Save $0.00
  • A77-716B SYSTEM SENSOR
    Sold out

    A77-716B SYSTEM SENSOR - DISCONTINUED

    SYSTEM SENSOR
    $33.59 - $33.59
    $33.59
    $33.59 - $33.59
    $33.59
    Out of stock

    DISCONTINUED USE EOLR-1.

    $33.59 - $33.59
    $33.59
    $33.59 - $33.59
    $33.59
    Sold out
  • Sold out

    APB200 SYSTEM SENSOR - DISCONTINUED

    SYSTEM SENSOR
    $0.00 - $0.00
    $0.00
    $102.11
    $102.11 - $102.11
    $102.11
    Out of stock

    AP SERIES INTELLIGENT SOUNDER BASE.

    $0.00 - $0.00
    $0.00
    $102.11
    $102.11 - $102.11
    $102.11
    Sold out
  • Save $0.16 Save $0.00

    B110LP SYSTEM SENSOR

    SYSTEM SENSOR
    $17.71
    $17.71 - $17.71
    $17.71
    $17.55
    $17.55 - $17.55
    $17.55
    In stock

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

    $17.71
    $17.71 - $17.71
    $17.71
    $17.55
    $17.55 - $17.55
    $17.55
    Save $0.16 Save $0.00
  • Save $0.24 Save $0.00

    B110RLP SYSTEM SENSOR

    SYSTEM SENSOR
    $24.59
    $24.59 - $24.59
    $24.59
    $24.35
    $24.35 - $24.35
    $24.35
    Low stock

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

    $24.59
    $24.59 - $24.59
    $24.59
    $24.35
    $24.35 - $24.35
    $24.35
    Save $0.24 Save $0.00
  • Sold out

    B112LP SYSTEM SENSOR

    SYSTEM SENSOR
    $0.00 - $0.00
    $0.00
    $60.82
    $60.82 - $60.82
    $60.82
    Out of stock

    BASE, 4-WIRE, LOW-PROFILE, FORM-A&C, 24VDC

    $0.00 - $0.00
    $0.00
    $60.82
    $60.82 - $60.82
    $60.82
    Sold out

  • B114LP SYSTEM SENSOR

    SYSTEM SENSOR
    $139.92 - $139.92
    $139.92
    $139.92 - $139.92
    $139.92
    In stock

    BASE 6.0" 4W RLY (FIRELITE)

    $139.92 - $139.92
    $139.92
    $139.92 - $139.92
    $139.92
  • Sold out

    B200S SYSTEM SENSOR

    SYSTEM SENSOR
    $114.35
    $114.35 - $114.35
    $114.35
    $113.26
    $113.26 - $113.26
    $113.26
    Out of stock

    Addressable, Synchronizable, Intelligent Sounder base designed for new and existing dwelling unit applications.

    $114.35
    $114.35 - $114.35
    $114.35
    $113.26
    $113.26 - $113.26
    $113.26
    Sold out
  • Sold out

    B200S-IV SYSTEM SENSOR - DISCONTINUED

    SYSTEM SENSOR
    $0.00 - $0.00
    $0.00
    $86.35
    $86.35 - $86.35
    $86.35
    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
    $0.00 - $0.00
    $0.00
    $86.35
    $86.35 - $86.35
    $86.35
    Sold out
  • Sold out

    B200S-LF SYSTEM SENSOR - DISCONTINUED

    SYSTEM SENSOR
    $0.00 - $0.00
    $0.00
    $182.57
    $182.57 - $182.57
    $182.57
    Out of stock

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

    $0.00 - $0.00
    $0.00
    $182.57
    $182.57 - $182.57
    $182.57
    Sold out
  • B200S-LF-IV SYSTEM SENSOR
    Sold out

    B200S-LF-IV SYSTEM SENSOR

    SYSTEM SENSOR
    $120.10 - $120.10
    $120.10
    $120.10 - $120.10
    $120.10
    Out of stock

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

    View full details
    $120.10 - $120.10
    $120.10
    $120.10 - $120.10
    $120.10
    Sold out
  • Sold out

    B200S-LF-WH SYSTEM SENSOR

    SYSTEM SENSOR
    $0.00 - $0.00
    $0.00
    $123.87
    $123.87 - $123.87
    $123.87
    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
    $0.00 - $0.00
    $0.00
    $123.87
    $123.87 - $123.87
    $123.87
    Sold out
  • Save $0.78 Save $0.00

    B200S-WH SYSTEM SENSOR

    SYSTEM SENSOR
    $81.46
    $81.46 - $81.46
    $81.46
    $80.68
    $80.68 - $80.68
    $80.68
    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
    $81.46
    $81.46 - $81.46
    $81.46
    $80.68
    $80.68 - $80.68
    $80.68
    Save $0.78 Save $0.00

  • B200SR SYSTEM SENSOR

    SYSTEM SENSOR
    $75.57 - $75.57
    $75.57
    $75.57 - $75.57
    $75.57
    In stock

    INTELLIGENT PLUG-IN SOUNDER BASE WITH ANSI TEMPORAL 3 OR CONTINUOUS TONE

    $75.57 - $75.57
    $75.57
    $75.57 - $75.57
    $75.57

  • B200SR-IV SYSTEM SENSOR

    SYSTEM SENSOR
    $0.00 - $0.00
    $0.00
    $86.95
    $86.95 - $86.95
    $86.95
    In stock

    INTELLIGENT PLUG-IN SOUNDER BASE WITH ANSI TEMPORAL 3 OR CONTINUOUS TONE; IVORY

    $0.00 - $0.00
    $0.00
    $86.95
    $86.95 - $86.95
    $86.95
  • Sold out

    B200SR-LF SYSTEM SENSOR - DISCONTINUED

    SYSTEM SENSOR
    $0.00 - $0.00
    $0.00
    $140.38
    $140.38 - $140.38
    $140.38
    Out of stock

    DISCONTINUED USE B200SR-LF-WH OR IV.

    $0.00 - $0.00
    $0.00
    $140.38
    $140.38 - $140.38
    $140.38
    Sold out
  • Sold out

    B200SR-LF-IV SYSTEM SENSOR

    SYSTEM SENSOR
    $0.00 - $0.00
    $0.00
    $175.43
    $175.43 - $175.43
    $175.43
    Out of stock

    • Addressable Low Frequency Sounder Base, Ivory.

    $0.00 - $0.00
    $0.00
    $175.43
    $175.43 - $175.43
    $175.43
    Sold out
  • Sold out

    B200SR-LF-WH SYSTEM SENSOR

    SYSTEM SENSOR
    $142.71
    $142.71 - $142.71
    $142.71
    $141.35
    $141.35 - $141.35
    $141.35
    Out of stock

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

    $142.71
    $142.71 - $142.71
    $142.71
    $141.35
    $141.35 - $141.35
    $141.35
    Sold out
  • Save $0.92 Save $0.00

    B200SR-WH SYSTEM SENSOR

    SYSTEM SENSOR
    $95.65
    $95.65 - $95.65
    $95.65
    $94.73
    $94.73 - $94.73
    $94.73
    In stock

    INTELLIGENT PLUG-IN SOUNDER BASE WITH ANSI TEMPORAL 3 OR CONTINUOUS TONE; WHITE

    $95.65
    $95.65 - $95.65
    $95.65
    $94.73
    $94.73 - $94.73
    $94.73
    Save $0.92 Save $0.00
  • B210LP SYSTEM SENSOR
    Save $3.57 Save $0.00

    B210LP SYSTEM SENSOR

    SYSTEM SENSOR
    $17.85
    $17.85 - $17.85
    $17.85
    $14.28
    $14.28 - $14.28
    $14.28
    In stock

    INTELLIGENT FLANGED MOUNTING BASE; IVORY

    $17.85
    $17.85 - $17.85
    $17.85
    $14.28
    $14.28 - $14.28
    $14.28
    Save $3.57 Save $0.00
  • Save $0.61 Save $0.00

    B224BI SYSTEM SENSOR - DISCONTINUED

    SYSTEM SENSOR
    $63.49
    $63.49 - $63.49
    $63.49
    $62.88
    $62.88 - $62.88
    $62.88
    In stock

    DISCONTINUED USE B224BI-WH/IV.

    $63.49
    $63.49 - $63.49
    $63.49
    $62.88
    $62.88 - $62.88
    $62.88
    Save $0.61 Save $0.00
  • Save $0.56 Save $0.00

    B224BI-IV SYSTEM SENSOR - DISCONTINUED

    SYSTEM SENSOR
    $57.36
    $57.36 - $57.36
    $57.36
    $56.80
    $56.80 - $56.80
    $56.80
    In stock

    • Isolator Base; Ivory

    $57.36
    $57.36 - $57.36
    $57.36
    $56.80
    $56.80 - $56.80
    $56.80
    Save $0.56 Save $0.00