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SYSTEM SENSOR

  • 2151 SYSTEM SENSOR

    SYSTEM SENSOR
    Original price $53.23
    Original price $53.23 - Original price $53.23
    Original price $53.23
    Current price $49.50
    $49.50 - $49.50
    Current price $49.50
    DISCONTINUED

    Smoke Detector Head, Photo, Low-Profile

    Original price $53.23
    Original price $53.23 - Original price $53.23
    Original price $53.23
    Current price $49.50
    $49.50 - $49.50
    Current price $49.50
    Save $3.73 Save $0.00
  • 2151T SYSTEM SENSOR

    SYSTEM SENSOR
    Original price $55.34 - Original price $55.34
    Original price
    $55.34
    $55.34 - $55.34
    Current price $55.34
    DISCONTINUED

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

    Original price $55.34 - Original price $55.34
    Original price
    $55.34
    $55.34 - $55.34
    Current price $55.34
    Sold out
  • 2D51 SYSTEM SENSOR

    SYSTEM SENSOR
    Original price $72.84 - Original price $72.84
    Original price
    $72.84
    $72.84 - $72.84
    Current price $72.84

    4- WIRE DUCT PHOTO DETECTOR HEAD

    Original price $72.84 - Original price $72.84
    Original price
    $72.84
    $72.84 - $72.84
    Current price $72.84
  • 2W-B SYSTEM SENSOR

    SYSTEM SENSOR
    Original price $34.40 - Original price $34.40
    Original price
    $34.40
    $34.40 - $34.40
    Current price $34.40

    i3 smoke detector, 2-wire photoelectric with base

    Original price $34.40 - Original price $34.40
    Original price
    $34.40
    $34.40 - $34.40
    Current price $34.40
    Sold out
  • 2WT-B SYSTEM SENSOR

    SYSTEM SENSOR
    Original price $50.14
    Original price $50.14 - Original price $50.14
    Original price $50.14
    Current price $46.63
    $46.63 - $46.63
    Current price $46.63

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

    Original price $50.14
    Original price $50.14 - Original price $50.14
    Original price $50.14
    Current price $46.63
    $46.63 - $46.63
    Current price $46.63
    Save $3.51 Save $0.00
  • 2WTA-B SYSTEM SENSOR

    SYSTEM SENSOR
    Original price $59.95 - Original price $59.95
    Original price
    $59.95
    $59.95 - $59.95
    Current price $59.95

    2-Wire Photoelectric Smoke Detector

    Original price $59.95 - Original price $59.95
    Original price
    $59.95
    $59.95 - $59.95
    Current price $59.95
    Sold out
  • 2WTR-B SYSTEM SENSOR

    SYSTEM SENSOR
    Original price $58.21 - Original price $58.21
    Original price
    $58.21
    $58.21 - $58.21
    Current price $58.21

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

    Original price $58.21 - Original price $58.21
    Original price
    $58.21
    $58.21 - $58.21
    Current price $58.21
  • 4W-B SYSTEM SENSOR

    SYSTEM SENSOR
    Original price $36.54 - Original price $36.54
    Original price
    $36.54
    $36.54 - $36.54
    Current price $36.54

    4-wire Photoelectric i3 Smoke Detector

    Original price $36.54 - Original price $36.54
    Original price
    $36.54
    $36.54 - $36.54
    Current price $36.54
    Sold out
  • 4WT-B SYSTEM SENSOR

    SYSTEM SENSOR
    Original price $51.62
    Original price $51.62 - Original price $51.62
    Original price $51.62
    Current price $51.20
    $51.20 - $51.20
    Current price $51.20

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

    Original price $51.62
    Original price $51.62 - Original price $51.62
    Original price $51.62
    Current price $51.20
    $51.20 - $51.20
    Current price $51.20
    Save $0.42 Save $0.00
  • 4WTA-B SYSTEM SENSOR

    SYSTEM SENSOR
    Original price $70.76 - Original price $70.76
    Original price
    $70.76
    $70.76 - $70.76
    Current price $70.76

    Photoelectric Smoke and Heat Detector / Sounder

    Original price $70.76 - Original price $70.76
    Original price
    $70.76
    $70.76 - $70.76
    Current price $70.76
    Sold out
  • 4WTAR-B SYSTEM SENSOR

    SYSTEM SENSOR
    Original price $83.56
    Original price $83.56 - Original price $83.56
    Original price $83.56
    Current price $77.71
    $77.71 - $77.71
    Current price $77.71

    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
    Original price $83.56
    Current price $77.71
    $77.71 - $77.71
    Current price $77.71
    Save $5.85 Save $0.00
  • 4WTR-B SYSTEM SENSOR

    SYSTEM SENSOR
    Original price $61.90 - Original price $61.90
    Original price
    $61.90
    $61.90 - $61.90
    Current price $61.90

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

    Original price $61.90 - Original price $61.90
    Original price
    $61.90
    $61.90 - $61.90
    Current price $61.90
    Sold out
  • 5151 SYSTEM SENSOR

    SYSTEM SENSOR
    Original price $34.48 - Original price $34.48
    Original price
    $34.48
    $34.48 - $34.48
    Current price $34.48

    100 SERIES PLUG-IN TERMINAL

    Original price $34.48 - Original price $34.48
    Original price
    $34.48
    $34.48 - $34.48
    Current price $34.48
    Sold out
  • 5251H SYSTEM SENSOR

    SYSTEM SENSOR
    Original price $110.58 - Original price $110.58
    Original price
    $110.58
    $110.58 - $110.58
    Current price $110.58

    ADDRESSABLE HEAT DETECTOR HEAD, 190F FIXED, REQUIRES BASE

    Original price $110.58 - Original price $110.58
    Original price
    $110.58
    $110.58 - $110.58
    Current price $110.58
  • 5601P SYSTEM SENSOR

    SYSTEM SENSOR
    Original price $14.47
    Original price $14.47 - Original price $14.47
    Original price $14.47
    Current price $13.46
    $13.46 - $13.46
    Current price $13.46

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

    Original price $14.47
    Original price $14.47 - Original price $14.47
    Original price $14.47
    Current price $13.46
    $13.46 - $13.46
    Current price $13.46
    Save $1.01 Save $0.00
  • 5602 SYSTEM SENSOR

    SYSTEM SENSOR
    Original price $16.69
    Original price $16.69 - Original price $16.69
    Original price $16.69
    Current price $15.52
    $15.52 - $15.52
    Current price $15.52

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

    Original price $16.69
    Original price $16.69 - Original price $16.69
    Original price $16.69
    Current price $15.52
    $15.52 - $15.52
    Current price $15.52
    Save $1.17 Save $0.00
  • 5603 SYSTEM SENSOR

    SYSTEM SENSOR
    Original price $15.50 - Original price $15.50
    Original price
    $15.50
    $15.50 - $15.50
    Current price $15.50

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

    Original price $15.50 - Original price $15.50
    Original price
    $15.50
    $15.50 - $15.50
    Current price $15.50
    Sold out
  • 5604 SYSTEM SENSOR

    SYSTEM SENSOR
    Original price $16.22 - Original price $16.22
    Original price
    $16.22
    $16.22 - $16.22
    Current price $16.22

    194 °F (90° C) fixed temperature.

    Original price $16.22 - Original price $16.22
    Original price
    $16.22
    $16.22 - $16.22
    Current price $16.22
    Sold out
  • 5621 SYSTEM SENSOR

    SYSTEM SENSOR
    Original price $39.09
    Original price $39.09 - Original price $39.09
    Original price $39.09
    Current price $36.35
    $36.35 - $36.35
    Current price $36.35

    135°F FIXED TEMPERATURE

    Original price $39.09
    Original price $39.09 - Original price $39.09
    Original price $39.09
    Current price $36.35
    $36.35 - $36.35
    Current price $36.35
    Save $2.74 Save $0.00
  • 5622 SYSTEM SENSOR

    SYSTEM SENSOR
    Original price $31.16
    Original price $31.16 - Original price $31.16
    Original price $31.16
    Current price $28.98
    $28.98 - $28.98
    Current price $28.98

    DUAL CIRCUITE 194°F FIXED TEMPERATURE RATE OF RISE

    Original price $31.16
    Original price $31.16 - Original price $31.16
    Original price $31.16
    Current price $28.98
    $28.98 - $28.98
    Current price $28.98
    Save $2.18 Save $0.00
  • 5623 SYSTEM SENSOR

    SYSTEM SENSOR
    Original price $32.94
    Original price $32.94 - Original price $32.94
    Original price $32.94
    Current price $30.63
    $30.63 - $30.63
    Current price $30.63

    135°F FIXED HEAT DETECTOR TEMP ONLY

    Original price $32.94
    Original price $32.94 - Original price $32.94
    Original price $32.94
    Current price $30.63
    $30.63 - $30.63
    Current price $30.63
    Save $2.31 Save $0.00
  • 5624 SYSTEM SENSOR

    SYSTEM SENSOR
    Original price $28.94 - Original price $28.94
    Original price
    $28.94
    $28.94 - $28.94
    Current price $28.94

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

    Original price $28.94 - Original price $28.94
    Original price
    $28.94
    $28.94 - $28.94
    Current price $28.94
  • 6500-MMK-US SYSTEM SENSOR

    SYSTEM SENSOR
    Original price $141.47
    Original price $141.47 - Original price $141.47
    Original price $141.47
    Current price $131.57
    $131.57 - $131.57
    Current price $131.57

    MULTI MOUNT KIT

    Original price $141.47
    Original price $141.47 - Original price $141.47
    Original price $141.47
    Current price $131.57
    $131.57 - $131.57
    Current price $131.57
    Sold out
  • 72377B-801 SYSTEM SENSOR

    SYSTEM SENSOR
    Original price $304.19 - Original price $304.19
    Original price
    $304.19
    $304.19 - $304.19
    Current price $304.19

    WALL / POLE MOUNTING BRACKET FOR TCPA-10 SERIES

    Original price $304.19 - Original price $304.19
    Original price
    $304.19
    $304.19 - $304.19
    Current price $304.19
    Sold out
  • A77-01-02 SYSTEM SENSOR

    SYSTEM SENSOR
    Original price $39.99
    Original price $39.99 - Original price $39.99
    Original price $39.99
    Current price $37.19
    $37.19 - $37.19
    Current price $37.19

    Replacement terminal block kit for WFD series waterflow detectors.

    Original price $39.99
    Original price $39.99 - Original price $39.99
    Original price $39.99
    Current price $37.19
    $37.19 - $37.19
    Current price $37.19
    Save $2.80 Save $0.00
  • B110LP SYSTEM SENSOR

    SYSTEM SENSOR
    Original price $13.86 - Original price $13.86
    Original price
    $13.86
    $13.86 - $13.86
    Current price $13.86
    DISCONTINUED

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

    Original price $13.86 - Original price $13.86
    Original price
    $13.86
    $13.86 - $13.86
    Current price $13.86
    Sold out
  • B110RLP SYSTEM SENSOR

    SYSTEM SENSOR
    Original price $18.84
    Original price $18.84 - Original price $18.84
    Original price $18.84
    Current price $17.52
    $17.52 - $17.52
    Current price $17.52

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

    Original price $18.84
    Original price $18.84 - Original price $18.84
    Original price $18.84
    Current price $17.52
    $17.52 - $17.52
    Current price $17.52
    Save $1.32 Save $0.00
  • B112LP SYSTEM SENSOR

    SYSTEM SENSOR
    Original price $35.48
    Original price $35.48 - Original price $35.48
    Original price $35.48
    Current price $33.00
    $33.00 - $33.00
    Current price $33.00
    DISCONTINUED

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

    Original price $35.48
    Original price $35.48 - Original price $35.48
    Original price $35.48
    Current price $33.00
    $33.00 - $33.00
    Current price $33.00
    Save $2.48 Save $0.00
  • B114LP SYSTEM SENSOR

    SYSTEM SENSOR
    Original price $102.60 - Original price $102.60
    Original price
    $102.60
    $102.60 - $102.60
    Current price $102.60

    BASE 6.0" 4W RLY (FIRELITE)

    Original price $102.60 - Original price $102.60
    Original price
    $102.60
    $102.60 - $102.60
    Current price $102.60
    Sold out
  • B114LPBT SYSTEM SENSOR

    SYSTEM SENSOR
    Original price $87.87
    Original price $87.87 - Original price $87.87
    Original price $87.87
    Current price $81.72
    $81.72 - $81.72
    Current price $81.72

    BASE 6.0" FOR 2151

    Original price $87.87
    Original price $87.87 - Original price $87.87
    Original price $87.87
    Current price $81.72
    $81.72 - $81.72
    Current price $81.72
    Save $6.15 Save $0.00
  • B200S SYSTEM SENSOR

    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

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

    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

    SYSTEM SENSOR
    Original price $68.08
    Original price $68.08 - Original price $68.08
    Original price $68.08
    Current price $67.84
    $67.84 - $67.84
    Current price $67.84
    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 $68.08
    Original price $68.08 - Original price $68.08
    Original price $68.08
    Current price $67.84
    $67.84 - $67.84
    Current price $67.84
    Sold out
  • B200S-LF-IV SYSTEM SENSOR

    SYSTEM SENSOR
    Original price $111.31
    Original price $111.31 - Original price $111.31
    Original price $111.31
    Current price $103.52
    $103.52 - $103.52
    Current price $103.52
    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 $111.31
    Original price $111.31 - Original price $111.31
    Original price $111.31
    Current price $103.52
    $103.52 - $103.52
    Current price $103.52
    Save $7.79 Save $0.00
  • B200S-LF-WH SYSTEM SENSOR

    SYSTEM SENSOR
    Original price $78.81 - Original price $78.81
    Original price
    $78.81
    $78.81 - $78.81
    Current price $78.81

    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 $78.81 - Original price $78.81
    Original price
    $78.81
    $78.81 - $78.81
    Current price $78.81
    Sold out
  • B200S-WH SYSTEM SENSOR

    SYSTEM SENSOR
    Original price $60.40 - Original price $60.40
    Original price
    $60.40
    $60.40 - $60.40
    Current price $60.40

    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 $60.40 - Original price $60.40
    Original price
    $60.40
    $60.40 - $60.40
    Current price $60.40
    Sold out
  • B200SR-IV SYSTEM SENSOR

    SYSTEM SENSOR
    Original price $64.53 - Original price $64.53
    Original price
    $64.53
    $64.53 - $64.53
    Current price $64.53
    DISCONTINUED

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

    Original price $64.53 - Original price $64.53
    Original price
    $64.53
    $64.53 - $64.53
    Current price $64.53
    Sold out
  • B200SR-LF-IV SYSTEM SENSOR

    SYSTEM SENSOR
    Original price $126.28
    Original price $126.28 - Original price $126.28
    Original price $126.28
    Current price $117.44
    $117.44 - $117.44
    Current price $117.44
    DISCONTINUED

    Addressable Low Frequency Sounder Base, Ivory

    Original price $126.28
    Original price $126.28 - Original price $126.28
    Original price $126.28
    Current price $117.44
    $117.44 - $117.44
    Current price $117.44
    Save $8.84 Save $0.00
  • B200SR-LF-WH SYSTEM SENSOR

    SYSTEM SENSOR
    Original price $99.54
    Original price $99.54 - Original price $99.54
    Original price $99.54
    Current price $92.57
    $92.57 - $92.57
    Current price $92.57

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

    Original price $99.54
    Original price $99.54 - Original price $99.54
    Original price $99.54
    Current price $92.57
    $92.57 - $92.57
    Current price $92.57
    Sold out
  • B200SR-WH SYSTEM SENSOR

    SYSTEM SENSOR
    Original price $67.09
    Original price $67.09 - Original price $67.09
    Original price $67.09
    Current price $62.39
    $62.39 - $62.39
    Current price $62.39

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

    Original price $67.09
    Original price $67.09 - Original price $67.09
    Original price $67.09
    Current price $62.39
    $62.39 - $62.39
    Current price $62.39
    Save $4.70 Save $0.00
  • B224BI SYSTEM SENSOR

    SYSTEM SENSOR
    Original price $45.26
    Original price $45.26 - Original price $45.26
    Original price $45.26
    Current price $42.09
    $42.09 - $42.09
    Current price $42.09
    DISCONTINUED

    INTELLIGENT ISOLATOR BASE

    Original price $45.26
    Original price $45.26 - Original price $45.26
    Original price $45.26
    Current price $42.09
    $42.09 - $42.09
    Current price $42.09
    Save $3.17 Save $0.00
  • B224BI-IV SYSTEM SENSOR

    SYSTEM SENSOR
    Original price $40.89
    Original price $40.89 - Original price $40.89
    Original price $40.89
    Current price $38.03
    $38.03 - $38.03
    Current price $38.03
    DISCONTINUED

    ISOLATOR BASE; IVORY

    Original price $40.89
    Original price $40.89 - Original price $40.89
    Original price $40.89
    Current price $38.03
    $38.03 - $38.03
    Current price $38.03
    Save $2.86 Save $0.00
  • B224BI-WH SYSTEM SENSOR

    SYSTEM SENSOR
    Original price $47.06
    Original price $47.06 - Original price $47.06
    Original price $47.06
    Current price $43.77
    $43.77 - $43.77
    Current price $43.77

    INTELLIGENT ISOLATOR BASE; WHITE

    Original price $47.06
    Original price $47.06 - Original price $47.06
    Original price $47.06
    Current price $43.77
    $43.77 - $43.77
    Current price $43.77
    Save $3.29 Save $0.00
  • B224RB SYSTEM SENSOR

    SYSTEM SENSOR
    Original price $45.39
    Original price $45.39 - Original price $45.39
    Original price $45.39
    Current price $42.21
    $42.21 - $42.21
    Current price $42.21
    DISCONTINUED

    SENSOR INTELLIGENT RELAY BASE

    Original price $45.39
    Original price $45.39 - Original price $45.39
    Original price $45.39
    Current price $42.21
    $42.21 - $42.21
    Current price $42.21
    Save $3.18 Save $0.00
  • B224RB-IV SYSTEM SENSOR

    SYSTEM SENSOR
    Original price $45.94
    Original price $45.94 - Original price $45.94
    Original price $45.94
    Current price $42.72
    $42.72 - $42.72
    Current price $42.72
    DISCONTINUED

    INTELLIGENT RELAY BASE; IVORY

    Original price $45.94
    Original price $45.94 - Original price $45.94
    Original price $45.94
    Current price $42.72
    $42.72 - $42.72
    Current price $42.72
    Sold out
  • B224RB-WH SYSTEM SENSOR

    SYSTEM SENSOR
    Original price $48.27
    Original price $48.27 - Original price $48.27
    Original price $48.27
    Current price $44.89
    $44.89 - $44.89
    Current price $44.89

    REPLACEMENT FOR B224RB

    Original price $48.27
    Original price $48.27 - Original price $48.27
    Original price $48.27
    Current price $44.89
    $44.89 - $44.89
    Current price $44.89
    Save $3.38 Save $0.00
  • B300-6 SYSTEM SENSOR

    SYSTEM SENSOR
    Original price $7.16 - Original price $7.16
    Original price
    $7.16
    $7.16 - $7.16
    Current price $7.16

    6" BASE LOW-PROFILE, STANDARD FLANGED, WHITE

    Original price $7.16 - Original price $7.16
    Original price
    $7.16
    $7.16 - $7.16
    Current price $7.16
  • B300-6-IV SYSTEM SENSOR

    SYSTEM SENSOR
    Original price $15.33
    Original price $15.33 - Original price $15.33
    Original price $15.33
    Current price $14.26
    $14.26 - $14.26
    Current price $14.26
    DISCONTINUED

    6" BASE; IVORY

    Original price $15.33
    Original price $15.33 - Original price $15.33
    Original price $15.33
    Current price $14.26
    $14.26 - $14.26
    Current price $14.26
    Save $1.07 Save $0.00
  • B401BR SYSTEM SENSOR

    SYSTEM SENSOR
    Original price $20.80
    Original price $20.80 - Original price $20.80
    Original price $20.80
    Current price $19.34
    $19.34 - $19.34
    Current price $19.34
    DISCONTINUED

    Plug-in detector BaseCompatible with detectors 1451 / 2451 / 2451TH

    Original price $20.80
    Original price $20.80 - Original price $20.80
    Original price $20.80
    Current price $19.34
    $19.34 - $19.34
    Current price $19.34
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