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SYSTEM SENSOR

  • 2151 SYSTEM SENSOR

    SYSTEM SENSOR
    Original price $77.30 - Original price $77.30
    Original price
    $77.30
    $77.30 - $77.30
    Current price $77.30
    DISCONTINUED

    Smoke Detector Head, Photo, Low-Profile

    Original price $77.30 - Original price $77.30
    Original price
    $77.30
    $77.30 - $77.30
    Current price $77.30
  • 2151T SYSTEM SENSOR

    SYSTEM SENSOR
    Original price $80.37 - Original price $80.37
    Original price
    $80.37
    $80.37 - $80.37
    Current price $80.37
    DISCONTINUED

    SMOKE DETECTOR HEAD, PHOTO/THERMAL, LOW-PROFILE -REQ. B100 SERIES BASE

    Original price $80.37 - Original price $80.37
    Original price
    $80.37
    $80.37 - $80.37
    Current price $80.37
    Sold out
  • 2D51 SYSTEM SENSOR

    SYSTEM SENSOR
    Original price $105.78 - Original price $105.78
    Original price
    $105.78
    $105.78 - $105.78
    Current price $105.78

    4- WIRE DUCT PHOTO DETECTOR HEAD

    Original price $105.78 - Original price $105.78
    Original price
    $105.78
    $105.78 - $105.78
    Current price $105.78
  • 2W-B SYSTEM SENSOR

    SYSTEM SENSOR
    Original price $49.96 - Original price $49.96
    Original price
    $49.96
    $49.96 - $49.96
    Current price $49.96

    i3 smoke detector, 2-wire photoelectric with base

    Original price $49.96 - Original price $49.96
    Original price
    $49.96
    $49.96 - $49.96
    Current price $49.96
    Sold out
  • 2WT-B SYSTEM SENSOR

    SYSTEM SENSOR
    Original price $72.81 - Original price $72.81
    Original price
    $72.81
    $72.81 - $72.81
    Current price $72.81

    I³ PHOTO DETECTOR, 2-WIRE, 12/24 VDC, PHOTO THERMAL

    Original price $72.81 - Original price $72.81
    Original price
    $72.81
    $72.81 - $72.81
    Current price $72.81
    Sold out
  • 2WTA-B SYSTEM SENSOR

    SYSTEM SENSOR
    Original price $87.06 - Original price $87.06
    Original price
    $87.06
    $87.06 - $87.06
    Current price $87.06

    2-Wire Photoelectric Smoke Detector

    Original price $87.06 - Original price $87.06
    Original price
    $87.06
    $87.06 - $87.06
    Current price $87.06
    Sold out
  • 2WTR-B SYSTEM SENSOR

    SYSTEM SENSOR
    Original price $84.53 - Original price $84.53
    Original price
    $84.53
    $84.53 - $84.53
    Current price $84.53

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

    Original price $84.53 - Original price $84.53
    Original price
    $84.53
    $84.53 - $84.53
    Current price $84.53
  • 4W-B SYSTEM SENSOR

    SYSTEM SENSOR
    Original price $53.06 - Original price $53.06
    Original price
    $53.06
    $53.06 - $53.06
    Current price $53.06

    4-wire Photoelectric i3 Smoke Detector

    Original price $53.06 - Original price $53.06
    Original price
    $53.06
    $53.06 - $53.06
    Current price $53.06
    Sold out
  • 4WT-B SYSTEM SENSOR

    SYSTEM SENSOR
    Original price $74.96
    Original price $74.96 - Original price $74.96
    Original price $74.96
    Current price $74.35
    $74.35 - $74.35
    Current price $74.35

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

    Original price $74.96
    Original price $74.96 - Original price $74.96
    Original price $74.96
    Current price $74.35
    $74.35 - $74.35
    Current price $74.35
    Sold out
  • 4WTA-B SYSTEM SENSOR

    SYSTEM SENSOR
    Original price $105.14 - Original price $105.14
    Original price
    $105.14
    $105.14 - $105.14
    Current price $105.14

    Photoelectric Smoke and Heat Detector / Sounder

    Original price $105.14 - Original price $105.14
    Original price
    $105.14
    $105.14 - $105.14
    Current price $105.14
    Sold out
  • 4WTAR-B SYSTEM SENSOR

    SYSTEM SENSOR
    Original price $121.35 - Original price $121.35
    Original price
    $121.35
    $121.35 - $121.35
    Current price $121.35

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

    Original price $121.35 - Original price $121.35
    Original price
    $121.35
    $121.35 - $121.35
    Current price $121.35
  • 4WTR-B SYSTEM SENSOR

    SYSTEM SENSOR
    Original price $89.89 - Original price $89.89
    Original price
    $89.89
    $89.89 - $89.89
    Current price $89.89

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

    Original price $89.89 - Original price $89.89
    Original price
    $89.89
    $89.89 - $89.89
    Current price $89.89
    Sold out
  • 5151 SYSTEM SENSOR

    SYSTEM SENSOR
    Original price $50.07 - Original price $50.07
    Original price
    $50.07
    $50.07 - $50.07
    Current price $50.07

    100 SERIES PLUG-IN TERMINAL

    Original price $50.07 - Original price $50.07
    Original price
    $50.07
    $50.07 - $50.07
    Current price $50.07
    Sold out
  • 5251H SYSTEM SENSOR

    SYSTEM SENSOR
    Original price $160.59 - Original price $160.59
    Original price
    $160.59
    $160.59 - $160.59
    Current price $160.59

    ADDRESSABLE HEAT DETECTOR HEAD, 190F FIXED, REQUIRES BASE

    Original price $160.59 - Original price $160.59
    Original price
    $160.59
    $160.59 - $160.59
    Current price $160.59
  • 5601P SYSTEM SENSOR

    SYSTEM SENSOR
    Original price $21.01 - Original price $21.01
    Original price
    $21.01
    $21.01 - $21.01
    Current price $21.01

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

    Original price $21.01 - Original price $21.01
    Original price
    $21.01
    $21.01 - $21.01
    Current price $21.01
    Sold out
  • 5602 SYSTEM SENSOR

    SYSTEM SENSOR
    Original price $24.24 - Original price $24.24
    Original price
    $24.24
    $24.24 - $24.24
    Current price $24.24

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

    Original price $24.24 - Original price $24.24
    Original price
    $24.24
    $24.24 - $24.24
    Current price $24.24
    Sold out
  • 5603 SYSTEM SENSOR

    SYSTEM SENSOR
    Original price $22.51 - Original price $22.51
    Original price
    $22.51
    $22.51 - $22.51
    Current price $22.51

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

    Original price $22.51 - Original price $22.51
    Original price
    $22.51
    $22.51 - $22.51
    Current price $22.51
    Sold out
  • 5604 SYSTEM SENSOR

    SYSTEM SENSOR
    Original price $23.56 - Original price $23.56
    Original price
    $23.56
    $23.56 - $23.56
    Current price $23.56

    194 °F (90° C) fixed temperature.

    Original price $23.56 - Original price $23.56
    Original price
    $23.56
    $23.56 - $23.56
    Current price $23.56
  • 5621 SYSTEM SENSOR

    SYSTEM SENSOR
    Original price $56.77 - Original price $56.77
    Original price
    $56.77
    $56.77 - $56.77
    Current price $56.77

    135°F FIXED TEMPERATURE

    Original price $56.77 - Original price $56.77
    Original price
    $56.77
    $56.77 - $56.77
    Current price $56.77
  • 5622 SYSTEM SENSOR

    SYSTEM SENSOR
    Original price $45.25 - Original price $45.25
    Original price
    $45.25
    $45.25 - $45.25
    Current price $45.25

    DUAL CIRCUITE 194°F FIXED TEMPERATURE RATE OF RISE

    Original price $45.25 - Original price $45.25
    Original price
    $45.25
    $45.25 - $45.25
    Current price $45.25
  • 5623 SYSTEM SENSOR

    SYSTEM SENSOR
    Original price $47.84 - Original price $47.84
    Original price
    $47.84
    $47.84 - $47.84
    Current price $47.84

    135°F FIXED HEAT DETECTOR TEMP ONLY

    Original price $47.84 - Original price $47.84
    Original price
    $47.84
    $47.84 - $47.84
    Current price $47.84
  • 5624 SYSTEM SENSOR

    SYSTEM SENSOR
    Original price $42.03 - Original price $42.03
    Original price
    $42.03
    $42.03 - $42.03
    Current price $42.03

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

    Original price $42.03 - Original price $42.03
    Original price
    $42.03
    $42.03 - $42.03
    Current price $42.03
  • 6500-MMK-US SYSTEM SENSOR

    SYSTEM SENSOR
    Original price $205.45 - Original price $205.45
    Original price
    $205.45
    $205.45 - $205.45
    Current price $205.45

    MULTI MOUNT KIT

    Original price $205.45 - Original price $205.45
    Original price
    $205.45
    $205.45 - $205.45
    Current price $205.45
    Sold out
  • 72377B-801 SYSTEM SENSOR

    SYSTEM SENSOR
    Original price $441.75 - Original price $441.75
    Original price
    $441.75
    $441.75 - $441.75
    Current price $441.75

    WALL / POLE MOUNTING BRACKET FOR TCPA-10 SERIES

    Original price $441.75 - Original price $441.75
    Original price
    $441.75
    $441.75 - $441.75
    Current price $441.75
    Sold out
  • A77-01-02 SYSTEM SENSOR

    SYSTEM SENSOR
    Original price $58.07 - Original price $58.07
    Original price
    $58.07
    $58.07 - $58.07
    Current price $58.07

    Replacement terminal block kit for WFD series waterflow detectors.

    Original price $58.07 - Original price $58.07
    Original price
    $58.07
    $58.07 - $58.07
    Current price $58.07
  • B110RLP SYSTEM SENSOR

    SYSTEM SENSOR
    Original price $27.36 - Original price $27.36
    Original price
    $27.36
    $27.36 - $27.36
    Current price $27.36

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

    Original price $27.36 - Original price $27.36
    Original price
    $27.36
    $27.36 - $27.36
    Current price $27.36
  • B112LP SYSTEM SENSOR

    SYSTEM SENSOR
    Original price $51.53 - Original price $51.53
    Original price
    $51.53
    $51.53 - $51.53
    Current price $51.53
    DISCONTINUED

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

    Original price $51.53 - Original price $51.53
    Original price
    $51.53
    $51.53 - $51.53
    Current price $51.53
  • B114LP SYSTEM SENSOR

    SYSTEM SENSOR
    Original price $149.00 - Original price $149.00
    Original price
    $149.00
    $149.00 - $149.00
    Current price $149.00

    BASE 6.0" 4W RLY (FIRELITE)

    Original price $149.00 - Original price $149.00
    Original price
    $149.00
    $149.00 - $149.00
    Current price $149.00
    Sold out
  • B114LPBT SYSTEM SENSOR

    SYSTEM SENSOR
    Original price $127.61 - Original price $127.61
    Original price
    $127.61
    $127.61 - $127.61
    Current price $127.61

    BASE 6.0" FOR 2151

    Original price $127.61 - Original price $127.61
    Original price
    $127.61
    $127.61 - $127.61
    Current price $127.61
    Sold out
  • B200S SYSTEM SENSOR

    SYSTEM SENSOR
    Original price $119.53
    Original price $119.53 - Original price $119.53
    Original price $119.53
    Current price $118.40
    $118.40 - $118.40
    Current price $118.40

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

    Original price $119.53
    Original price $119.53 - Original price $119.53
    Original price $119.53
    Current price $118.40
    $118.40 - $118.40
    Current price $118.40
    Sold out
  • B200S-IV SYSTEM SENSOR

    SYSTEM SENSOR
    Original price $98.87
    Original price $98.87 - Original price $98.87
    Original price $98.87
    Current price $98.52
    $98.52 - $98.52
    Current price $98.52
    DISCONTINUED

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

    View full details
    Original price $98.87
    Original price $98.87 - Original price $98.87
    Original price $98.87
    Current price $98.52
    $98.52 - $98.52
    Current price $98.52
    Sold out
  • B200S-LF-IV SYSTEM SENSOR

    SYSTEM SENSOR
    Original price $161.65 - Original price $161.65
    Original price
    $161.65
    $161.65 - $161.65
    Current price $161.65
    DISCONTINUED

    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
    Original price $161.65 - Original price $161.65
    Original price
    $161.65
    $161.65 - $161.65
    Current price $161.65
  • B200S-LF-WH SYSTEM SENSOR

    SYSTEM SENSOR
    Original price $114.45 - Original price $114.45
    Original price
    $114.45
    $114.45 - $114.45
    Current price $114.45

    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
    Original price $114.45 - Original price $114.45
    Original price
    $114.45
    $114.45 - $114.45
    Current price $114.45
    Sold out
  • B200S-WH SYSTEM SENSOR

    SYSTEM SENSOR
    Original price $98.88 - Original price $98.88
    Original price
    $98.88
    $98.88 - $98.88
    Current price $98.88

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

    View full details
    Original price $98.88 - Original price $98.88
    Original price
    $98.88
    $98.88 - $98.88
    Current price $98.88
  • B200SR-IV SYSTEM SENSOR

    SYSTEM SENSOR
    Original price $93.71 - Original price $93.71
    Original price
    $93.71
    $93.71 - $93.71
    Current price $93.71
    DISCONTINUED

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

    Original price $93.71 - Original price $93.71
    Original price
    $93.71
    $93.71 - $93.71
    Current price $93.71
    Sold out
  • B200SR-LF-IV SYSTEM SENSOR

    SYSTEM SENSOR
    Original price $183.39 - Original price $183.39
    Original price
    $183.39
    $183.39 - $183.39
    Current price $183.39
    DISCONTINUED

    Addressable Low Frequency Sounder Base, Ivory

    Original price $183.39 - Original price $183.39
    Original price
    $183.39
    $183.39 - $183.39
    Current price $183.39
  • B200SR-LF-WH SYSTEM SENSOR

    SYSTEM SENSOR
    Original price $144.56 - Original price $144.56
    Original price
    $144.56
    $144.56 - $144.56
    Current price $144.56

    INTELLIGENT LOW-FREQUENCY PLUG-IN SUNDER BASE WITH ANSI TEMPORAL 3 OR CONTINOUS TONE; WHITE

    Original price $144.56 - Original price $144.56
    Original price
    $144.56
    $144.56 - $144.56
    Current price $144.56
    Sold out
  • B200SR-WH SYSTEM SENSOR

    SYSTEM SENSOR
    Original price $97.43 - Original price $97.43
    Original price
    $97.43
    $97.43 - $97.43
    Current price $97.43

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

    Original price $97.43 - Original price $97.43
    Original price
    $97.43
    $97.43 - $97.43
    Current price $97.43
  • B224BI SYSTEM SENSOR

    SYSTEM SENSOR
    Original price $65.73 - Original price $65.73
    Original price
    $65.73
    $65.73 - $65.73
    Current price $65.73
    DISCONTINUED

    INTELLIGENT ISOLATOR BASE

    Original price $65.73 - Original price $65.73
    Original price
    $65.73
    $65.73 - $65.73
    Current price $65.73
  • B224BI-IV SYSTEM SENSOR

    SYSTEM SENSOR
    Original price $59.38 - Original price $59.38
    Original price
    $59.38
    $59.38 - $59.38
    Current price $59.38
    DISCONTINUED

    ISOLATOR BASE; IVORY

    Original price $59.38 - Original price $59.38
    Original price
    $59.38
    $59.38 - $59.38
    Current price $59.38
  • B224BI-WH SYSTEM SENSOR

    SYSTEM SENSOR
    Original price $68.34 - Original price $68.34
    Original price
    $68.34
    $68.34 - $68.34
    Current price $68.34

    INTELLIGENT ISOLATOR BASE; WHITE

    Original price $68.34 - Original price $68.34
    Original price
    $68.34
    $68.34 - $68.34
    Current price $68.34
  • B224RB SYSTEM SENSOR

    SYSTEM SENSOR
    Original price $65.92 - Original price $65.92
    Original price
    $65.92
    $65.92 - $65.92
    Current price $65.92
    DISCONTINUED

    SENSOR INTELLIGENT RELAY BASE

    Original price $65.92 - Original price $65.92
    Original price
    $65.92
    $65.92 - $65.92
    Current price $65.92
  • B224RB-IV SYSTEM SENSOR

    SYSTEM SENSOR
    Original price $66.72 - Original price $66.72
    Original price
    $66.72
    $66.72 - $66.72
    Current price $66.72
    DISCONTINUED

    INTELLIGENT RELAY BASE; IVORY

    Original price $66.72 - Original price $66.72
    Original price
    $66.72
    $66.72 - $66.72
    Current price $66.72
    Sold out
  • B224RB-WH SYSTEM SENSOR

    SYSTEM SENSOR
    Original price $70.10 - Original price $70.10
    Original price
    $70.10
    $70.10 - $70.10
    Current price $70.10

    REPLACEMENT FOR B224RB

    Original price $70.10 - Original price $70.10
    Original price
    $70.10
    $70.10 - $70.10
    Current price $70.10
  • B300-6 SYSTEM SENSOR

    SYSTEM SENSOR
    Original price $10.40 - Original price $10.40
    Original price
    $10.40
    $10.40 - $10.40
    Current price $10.40

    6" BASE LOW-PROFILE, STANDARD FLANGED, WHITE

    Original price $10.40 - Original price $10.40
    Original price
    $10.40
    $10.40 - $10.40
    Current price $10.40
  • B300-6-IV SYSTEM SENSOR

    SYSTEM SENSOR
    Original price $22.26 - Original price $22.26
    Original price
    $22.26
    $22.26 - $22.26
    Current price $22.26
    DISCONTINUED

    6" BASE; IVORY

    Original price $22.26 - Original price $22.26
    Original price
    $22.26
    $22.26 - $22.26
    Current price $22.26
  • B406B SYSTEM SENSOR

    SYSTEM SENSOR
    Original price $45.31 - Original price $45.31
    Original price
    $45.31
    $45.31 - $45.31
    Current price $45.31
    DISCONTINUED

    Conventional Plug-In Detector BaseCompatible with detectors 1451 / 2451 / 2451TH / 5451

    Original price $45.31 - Original price $45.31
    Original price
    $45.31
    $45.31 - $45.31
    Current price $45.31
    Sold out
  • B501 SYSTEM SENSOR

    SYSTEM SENSOR
    Original price $6.04 - Original price $6.04
    Original price
    $6.04
    $6.04 - $6.04
    Current price $6.04
    DISCONTINUED

    INTELLIGENT DETECTOR BASE WITHOUT FLANGE; IVORY; SOLD WITHOUT INDIVIDUAL PACKAGING.

    Original price $6.04 - Original price $6.04
    Original price
    $6.04
    $6.04 - $6.04
    Current price $6.04