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SYSTEM SENSOR

  • 2151 SYSTEM SENSOR

    SYSTEM SENSOR
    Original price $55.60 - Original price $55.60
    Original price
    $55.60
    $55.60 - $55.60
    Current price $55.60
    DISCONTINUED

    Smoke Detector Head, Photo, Low-Profile

    Original price $55.60 - Original price $55.60
    Original price
    $55.60
    $55.60 - $55.60
    Current price $55.60
  • 2D51 SYSTEM SENSOR

    SYSTEM SENSOR
    Original price $81.32 - Original price $81.32
    Original price
    $81.32
    $81.32 - $81.32
    Current price $81.32

    4- WIRE DUCT PHOTO DETECTOR HEAD

    Original price $81.32 - Original price $81.32
    Original price
    $81.32
    $81.32 - $81.32
    Current price $81.32
    Sold out
  • 2W-B SYSTEM SENSOR

    SYSTEM SENSOR
    Original price $44.80 - Original price $44.80
    Original price
    $44.80
    $44.80 - $44.80
    Current price $44.80

    i3 smoke detector, 2-wire photoelectric with base

    Original price $44.80 - Original price $44.80
    Original price
    $44.80
    $44.80 - $44.80
    Current price $44.80
  • 2WT-B SYSTEM SENSOR

    SYSTEM SENSOR
    Original price $41.88 - Original price $41.88
    Original price
    $41.88
    $41.88 - $41.88
    Current price $41.88

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

    Original price $41.88 - Original price $41.88
    Original price
    $41.88
    $41.88 - $41.88
    Current price $41.88
    Sold out
  • 2WTA-B SYSTEM SENSOR

    SYSTEM SENSOR
    Original price $62.59 - Original price $62.59
    Original price
    $62.59
    $62.59 - $62.59
    Current price $62.59

    2-Wire Photoelectric Smoke Detector

    Original price $62.59 - Original price $62.59
    Original price
    $62.59
    $62.59 - $62.59
    Current price $62.59
    Sold out
  • 2WTR-B SYSTEM SENSOR

    SYSTEM SENSOR
    Original price $52.45 - Original price $52.45
    Original price
    $52.45
    $52.45 - $52.45
    Current price $52.45

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

    Original price $52.45 - Original price $52.45
    Original price
    $52.45
    $52.45 - $52.45
    Current price $52.45
    Sold out
  • 4W-B SYSTEM SENSOR

    SYSTEM SENSOR
    Original price $41.35 - Original price $41.35
    Original price
    $41.35
    $41.35 - $41.35
    Current price $41.35

    4-wire Photoelectric i3 Smoke Detector

    Original price $41.35 - Original price $41.35
    Original price
    $41.35
    $41.35 - $41.35
    Current price $41.35
  • 4WT-B SYSTEM SENSOR

    SYSTEM SENSOR
    Original price $50.26 - Original price $50.26
    Original price
    $50.26
    $50.26 - $50.26
    Current price $50.26

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

    Original price $50.26 - Original price $50.26
    Original price
    $50.26
    $50.26 - $50.26
    Current price $50.26
    Sold out
  • 4WTA-B SYSTEM SENSOR

    SYSTEM SENSOR
    Original price $74.36 - Original price $74.36
    Original price
    $74.36
    $74.36 - $74.36
    Current price $74.36

    Photoelectric Smoke and Heat Detector / Sounder

    Original price $74.36 - Original price $74.36
    Original price
    $74.36
    $74.36 - $74.36
    Current price $74.36
    Sold out
  • 4WTAR-B SYSTEM SENSOR

    SYSTEM SENSOR
    Original price $103.73 - Original price $103.73
    Original price
    $103.73
    $103.73 - $103.73
    Current price $103.73

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

    Original price $103.73 - Original price $103.73
    Original price
    $103.73
    $103.73 - $103.73
    Current price $103.73
  • 4WTR-B SYSTEM SENSOR

    SYSTEM SENSOR
    Original price $77.97 - Original price $77.97
    Original price
    $77.97
    $77.97 - $77.97
    Current price $77.97

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

    Original price $77.97 - Original price $77.97
    Original price
    $77.97
    $77.97 - $77.97
    Current price $77.97
  • 5151 SYSTEM SENSOR

    SYSTEM SENSOR
    Original price $29.18 - Original price $29.18
    Original price
    $29.18
    $29.18 - $29.18
    Current price $29.18

    100 SERIES PLUG-IN TERMINAL

    Original price $29.18 - Original price $29.18
    Original price
    $29.18
    $29.18 - $29.18
    Current price $29.18
    Sold out
  • 5251H SYSTEM SENSOR

    SYSTEM SENSOR
    Original price $110.58
    Original price $110.58 - Original price $110.58
    Original price $110.58
    Current price $65.23
    $65.23 - $65.23
    Current price $65.23

    ADDRESSABLE HEAT DETECTOR HEAD, 190F FIXED, REQUIRES BASE

    Original price $110.58
    Original price $110.58 - Original price $110.58
    Original price $110.58
    Current price $65.23
    $65.23 - $65.23
    Current price $65.23
    Save $45.35 Save $0.00
  • 5601P SYSTEM SENSOR

    SYSTEM SENSOR
    Original price $17.46 - Original price $17.46
    Original price
    $17.46
    $17.46 - $17.46
    Current price $17.46

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

    Original price $17.46 - Original price $17.46
    Original price
    $17.46
    $17.46 - $17.46
    Current price $17.46
  • 5602 SYSTEM SENSOR

    SYSTEM SENSOR
    Original price $16.00 - Original price $16.00
    Original price
    $16.00
    $16.00 - $16.00
    Current price $16.00

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

    Original price $16.00 - Original price $16.00
    Original price
    $16.00
    $16.00 - $16.00
    Current price $16.00
    Sold out
  • 5603 SYSTEM SENSOR

    SYSTEM SENSOR
    Original price $15.65 - Original price $15.65
    Original price
    $15.65
    $15.65 - $15.65
    Current price $15.65

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

    Original price $15.65 - Original price $15.65
    Original price
    $15.65
    $15.65 - $15.65
    Current price $15.65
    Sold out
  • 5604 SYSTEM SENSOR

    SYSTEM SENSOR
    Original price $19.60 - Original price $19.60
    Original price
    $19.60
    $19.60 - $19.60
    Current price $19.60

    194 °F (90° C) fixed temperature.

    Original price $19.60 - Original price $19.60
    Original price
    $19.60
    $19.60 - $19.60
    Current price $19.60
    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 $36.82
    $36.82 - $36.82
    Current price $36.82

    135°F FIXED TEMPERATURE

    Original price $39.09
    Original price $39.09 - Original price $39.09
    Original price $39.09
    Current price $36.82
    $36.82 - $36.82
    Current price $36.82
    Save $2.27 Save $0.00
  • 5622 SYSTEM SENSOR

    SYSTEM SENSOR
    Original price $33.81 - Original price $33.81
    Original price
    $33.81
    $33.81 - $33.81
    Current price $33.81

    DUAL CIRCUITE 194°F FIXED TEMPERATURE RATE OF RISE

    Original price $33.81 - Original price $33.81
    Original price
    $33.81
    $33.81 - $33.81
    Current price $33.81
  • 5623 SYSTEM SENSOR

    SYSTEM SENSOR
    Original price $37.94
    Original price $37.94 - Original price $37.94
    Original price $37.94
    Current price $32.94
    $32.94 - $32.94
    Current price $32.94

    135°F FIXED HEAT DETECTOR TEMP ONLY

    Original price $37.94
    Original price $37.94 - Original price $37.94
    Original price $37.94
    Current price $32.94
    $32.94 - $32.94
    Current price $32.94
    Save $5.00 Save $0.00
  • 5624 SYSTEM SENSOR

    SYSTEM SENSOR
    Original price $33.94
    Original price $33.94 - Original price $33.94
    Original price $33.94
    Current price $28.94
    $28.94 - $28.94
    Current price $28.94

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

    Original price $33.94
    Original price $33.94 - Original price $33.94
    Original price $33.94
    Current price $28.94
    $28.94 - $28.94
    Current price $28.94
    Save $5.00 Save $0.00
  • 6500-MMK-US SYSTEM SENSOR

    SYSTEM SENSOR
    Original price $167.89 - Original price $167.89
    Original price
    $167.89
    $167.89 - $167.89
    Current price $167.89

    MULTI MOUNT KIT

    Original price $167.89 - Original price $167.89
    Original price
    $167.89
    $167.89 - $167.89
    Current price $167.89
    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
  • 72378B-801 SYSTEM SENSOR

    SYSTEM SENSOR
    Original price $81.60 - Original price $81.60
    Original price
    $81.60
    $81.60 - $81.60
    Current price $81.60

    DUAL UNIT MOUNT ADAPT TCPA-10

    Original price $81.60 - Original price $81.60
    Original price
    $81.60
    $81.60 - $81.60
    Current price $81.60
    Sold out
  • A77-01-02 SYSTEM SENSOR

    SYSTEM SENSOR
    Original price $44.99
    Original price $44.99 - Original price $44.99
    Original price $44.99
    Current price $39.99
    $39.99 - $39.99
    Current price $39.99

    Replacement terminal block kit for WFD series waterflow detectors.

    Original price $44.99
    Original price $44.99 - Original price $44.99
    Original price $44.99
    Current price $39.99
    $39.99 - $39.99
    Current price $39.99
    Sold out
  • B110RLP SYSTEM SENSOR

    SYSTEM SENSOR
    Original price $23.85
    Original price $23.85 - Original price $23.85
    Original price $23.85
    Current price $18.84
    $18.84 - $18.84
    Current price $18.84
    DISCONTINUED

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

    Original price $23.85
    Original price $23.85 - Original price $23.85
    Original price $23.85
    Current price $18.84
    $18.84 - $18.84
    Current price $18.84
    Sold out
  • B114LP SYSTEM SENSOR

    SYSTEM SENSOR
    Original price $106.13 - Original price $106.13
    Original price
    $106.13
    $106.13 - $106.13
    Current price $106.13

    BASE 6.0" 4W RLY (FIRELITE)

    Original price $106.13 - Original price $106.13
    Original price
    $106.13
    $106.13 - $106.13
    Current price $106.13
  • B114LPBT SYSTEM SENSOR

    SYSTEM SENSOR
    Original price $103.22 - Original price $103.22
    Original price
    $103.22
    $103.22 - $103.22
    Current price $103.22

    BASE 6.0" FOR 2151

    Original price $103.22 - Original price $103.22
    Original price
    $103.22
    $103.22 - $103.22
    Current price $103.22
    Sold out
  • 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 $82.30 - Original price $82.30
    Original price
    $82.30
    $82.30 - $82.30
    Current price $82.30
    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 $82.30 - Original price $82.30
    Original price
    $82.30
    $82.30 - $82.30
    Current price $82.30
    Sold out
  • B200S-LF-IV SYSTEM SENSOR

    SYSTEM SENSOR
    Original price $143.07 - Original price $143.07
    Original price
    $143.07
    $143.07 - $143.07
    Current price $143.07
    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 $143.07 - Original price $143.07
    Original price
    $143.07
    $143.07 - $143.07
    Current price $143.07
    Sold out
  • B200S-LF-WH SYSTEM SENSOR

    SYSTEM SENSOR
    Original price $85.37 - Original price $85.37
    Original price
    $85.37
    $85.37 - $85.37
    Current price $85.37

    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 $85.37 - Original price $85.37
    Original price
    $85.37
    $85.37 - $85.37
    Current price $85.37
    Sold out
  • B200S-WH SYSTEM SENSOR

    SYSTEM SENSOR
    Original price $61.69 - Original price $61.69
    Original price
    $61.69
    $61.69 - $61.69
    Current price $61.69

    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 $61.69 - Original price $61.69
    Original price
    $61.69
    $61.69 - $61.69
    Current price $61.69
  • B200SR-LF-IV SYSTEM SENSOR

    SYSTEM SENSOR
    Original price $131.97 - Original price $131.97
    Original price
    $131.97
    $131.97 - $131.97
    Current price $131.97
    DISCONTINUED

    Addressable Low Frequency Sounder Base, Ivory

    Original price $131.97 - Original price $131.97
    Original price
    $131.97
    $131.97 - $131.97
    Current price $131.97
  • B200SR-LF-WH SYSTEM SENSOR

    SYSTEM SENSOR
    Original price $121.86
    Original price $121.86 - Original price $121.86
    Original price $121.86
    Current price $106.14
    $106.14 - $106.14
    Current price $106.14

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

    Original price $121.86
    Original price $121.86 - Original price $121.86
    Original price $121.86
    Current price $106.14
    $106.14 - $106.14
    Current price $106.14
    Save $15.72 Save $0.00
  • B200SR-WH SYSTEM SENSOR

    SYSTEM SENSOR
    Original price $74.24 - Original price $74.24
    Original price
    $74.24
    $74.24 - $74.24
    Current price $74.24

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

    Original price $74.24 - Original price $74.24
    Original price
    $74.24
    $74.24 - $74.24
    Current price $74.24
    Sold out
  • B224BI SYSTEM SENSOR

    SYSTEM SENSOR
    Original price $50.26
    Original price $50.26 - Original price $50.26
    Original price $50.26
    Current price $34.19
    $34.19 - $34.19
    Current price $34.19
    DISCONTINUED

    INTELLIGENT ISOLATOR BASE

    Original price $50.26
    Original price $50.26 - Original price $50.26
    Original price $50.26
    Current price $34.19
    $34.19 - $34.19
    Current price $34.19
    Save $16.07 Save $0.00
  • B224BI-IV SYSTEM SENSOR

    SYSTEM SENSOR
    Original price $21.64
    Original price $21.64 - Original price $21.64
    Original price $21.64
    Current price $16.64
    $16.64 - $16.64
    Current price $16.64
    DISCONTINUED

    ISOLATOR BASE; IVORY

    Original price $21.64
    Original price $21.64 - Original price $21.64
    Original price $21.64
    Current price $16.64
    $16.64 - $16.64
    Current price $16.64
    Save $5.00 Save $0.00
  • B224BI-WH SYSTEM SENSOR

    SYSTEM SENSOR
    Original price $47.16 - Original price $47.16
    Original price
    $47.16
    $47.16 - $47.16
    Current price $47.16

    INTELLIGENT ISOLATOR BASE; WHITE

    Original price $47.16 - Original price $47.16
    Original price
    $47.16
    $47.16 - $47.16
    Current price $47.16
    Sold out
  • B224RB-IV SYSTEM SENSOR

    SYSTEM SENSOR
    Original price $42.69
    Original price $42.69 - Original price $42.69
    Original price $42.69
    Current price $37.69
    $37.69 - $37.69
    Current price $37.69
    DISCONTINUED

    INTELLIGENT RELAY BASE; IVORY

    Original price $42.69
    Original price $42.69 - Original price $42.69
    Original price $42.69
    Current price $37.69
    $37.69 - $37.69
    Current price $37.69
    Save $5.00 Save $0.00
  • B224RB-WH SYSTEM SENSOR

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

    REPLACEMENT FOR B224RB

    Original price $48.27 - Original price $48.27
    Original price
    $48.27
    $48.27 - $48.27
    Current price $48.27
  • B300-6 SYSTEM SENSOR

    SYSTEM SENSOR
    Original price $7.21 - Original price $7.21
    Original price
    $7.21
    $7.21 - $7.21
    Current price $7.21

    6" BASE LOW-PROFILE, STANDARD FLANGED, WHITE

    Original price $7.21 - Original price $7.21
    Original price
    $7.21
    $7.21 - $7.21
    Current price $7.21
  • B300-6-IV SYSTEM SENSOR

    SYSTEM SENSOR
    Original price $9.86 - Original price $9.86
    Original price
    $9.86
    $9.86 - $9.86
    Current price $9.86
    DISCONTINUED

    6" BASE; IVORY

    Original price $9.86 - Original price $9.86
    Original price
    $9.86
    $9.86 - $9.86
    Current price $9.86
    Sold out
  • B406B SYSTEM SENSOR

    SYSTEM SENSOR
    Original price $31.20 - Original price $31.20
    Original price
    $31.20
    $31.20 - $31.20
    Current price $31.20
    DISCONTINUED

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

    Original price $31.20 - Original price $31.20
    Original price
    $31.20
    $31.20 - $31.20
    Current price $31.20
    Sold out
  • B501 SYSTEM SENSOR

    SYSTEM SENSOR
    Original price $9.16
    Original price $9.16 - Original price $9.16
    Original price $9.16
    Current price $4.16
    $4.16 - $4.16
    Current price $4.16
    DISCONTINUED

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

    Original price $9.16
    Original price $9.16 - Original price $9.16
    Original price $9.16
    Current price $4.16
    $4.16 - $4.16
    Current price $4.16
    Save $5.00 Save $0.00
  • B501-IV SYSTEM SENSOR

    SYSTEM SENSOR
    Original price $22.38
    Original price $22.38 - Original price $22.38
    Original price $22.38
    Current price $14.88
    $14.88 - $14.88
    Current price $14.88
    DISCONTINUED

    INTELLIGENT 4" DETECTOR BASE, WITHOUT FLANGE, IVORY

    Original price $22.38
    Original price $22.38 - Original price $22.38
    Original price $22.38
    Current price $14.88
    $14.88 - $14.88
    Current price $14.88
    Save $7.50 Save $0.00
  • B501-WH SYSTEM SENSOR

    SYSTEM SENSOR
    Original price $10.16
    Original price $10.16 - Original price $10.16
    Original price $10.16
    Current price $5.16
    $5.16 - $5.16
    Current price $5.16

    INTELLIGENT DETECTOR BASES WITHOUT FLANGE

    Original price $10.16
    Original price $10.16 - Original price $10.16
    Original price $10.16
    Current price $5.16
    $5.16 - $5.16
    Current price $5.16
    Save $5.00 Save $0.00
  • BBS-2 SYSTEM SENSOR

    SYSTEM SENSOR
    Original price $10.20
    Original price $10.20 - Original price $10.20
    Original price $10.20
    Current price $4.81
    $4.81 - $4.81
    Current price $4.81
    DISCONTINUED

    Red Back Box Skirt for WallCompatible with anunciators P2R / P2RH / P4R / P4RH / SR / SRH

    Original price $10.20
    Original price $10.20 - Original price $10.20
    Original price $10.20
    Current price $4.81
    $4.81 - $4.81
    Current price $4.81
    Save $5.39 Save $0.00