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system sensor

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  • Save $7.50 Save $0.00

    2151 SYSTEM SENSOR

    SYSTEM SENSOR
    $75.04
    $75.04 - $75.04
    $75.04
    $67.54
    $67.54 - $67.54
    $67.54
    DISCONTINUED

    Smoke Detector Head, Photo, Low-Profile

    $75.04
    $75.04 - $75.04
    $75.04
    $67.54
    $67.54 - $67.54
    $67.54
    Save $7.50 Save $0.00
  • Sold out

    2D51 SYSTEM SENSOR

    SYSTEM SENSOR
    $114.64 - $114.64
    $114.64
    $114.64 - $114.64
    $114.64

    4- WIRE DUCT PHOTO DETECTOR HEAD

    $114.64 - $114.64
    $114.64
    $114.64 - $114.64
    $114.64
    Sold out
  • Sold out

    2W-B SYSTEM SENSOR

    SYSTEM SENSOR
    $60.91 - $60.91
    $60.91
    $60.91 - $60.91
    $60.91

    i3 smoke detector, 2-wire photoelectric with base

    $60.91 - $60.91
    $60.91
    $60.91 - $60.91
    $60.91
    Sold out
  • Save $7.06 Save $0.00

    2WT-B SYSTEM SENSOR

    SYSTEM SENSOR
    $70.68
    $70.68 - $70.68
    $70.68
    $63.62
    $63.62 - $63.62
    $63.62

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

    $70.68
    $70.68 - $70.68
    $70.68
    $63.62
    $63.62 - $63.62
    $63.62
    Save $7.06 Save $0.00

  • 2WTA-B SYSTEM SENSOR

    SYSTEM SENSOR
    $90.31 - $90.31
    $90.31
    $90.31 - $90.31
    $90.31

    2-Wire Photoelectric Smoke Detector

    $90.31 - $90.31
    $90.31
    $90.31 - $90.31
    $90.31
  • Save $8.20 Save $0.00

    2WTR-B SYSTEM SENSOR

    SYSTEM SENSOR
    $82.06
    $82.06 - $82.06
    $82.06
    $73.86
    $73.86 - $73.86
    $73.86

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

    $82.06
    $82.06 - $82.06
    $82.06
    $73.86
    $73.86 - $73.86
    $73.86
    Save $8.20 Save $0.00
  • Sold out

    4W-B SYSTEM SENSOR

    SYSTEM SENSOR
    $63.07 - $63.07
    $63.07
    $63.07 - $63.07
    $63.07

    4-wire Photoelectric i3 Smoke Detector

    $63.07 - $63.07
    $63.07
    $63.07 - $63.07
    $63.07
    Sold out
  • Sold out

    4WT-B SYSTEM SENSOR

    SYSTEM SENSOR
    $72.18 - $72.18
    $72.18
    $72.18 - $72.18
    $72.18

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

    $72.18 - $72.18
    $72.18
    $72.18 - $72.18
    $72.18
    Sold out
  • Sold out

    4WTA-B SYSTEM SENSOR

    SYSTEM SENSOR
    $102.08 - $102.08
    $102.08
    $102.08 - $102.08
    $102.08

    Photoelectric Smoke and Heat Detector / Sounder

    $102.08 - $102.08
    $102.08
    $102.08 - $102.08
    $102.08
    Sold out
  • Sold out

    4WTAR-B SYSTEM SENSOR

    SYSTEM SENSOR
    $117.80 - $117.80
    $117.80
    $117.80 - $117.80
    $117.80

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

    $117.80 - $117.80
    $117.80
    $117.80 - $117.80
    $117.80
    Sold out
  • Sold out

    4WTR-B SYSTEM SENSOR

    SYSTEM SENSOR
    $111.83
    $111.83 - $111.83
    $111.83
    $106.80
    $106.80 - $106.80
    $106.80

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

    $111.83
    $111.83 - $111.83
    $111.83
    $106.80
    $106.80 - $106.80
    $106.80
    Sold out
  • Sold out

    5151 SYSTEM SENSOR

    SYSTEM SENSOR
    $55.66 - $55.66
    $55.66
    $55.66 - $55.66
    $55.66

    100 SERIES PLUG-IN TERMINAL

    $55.66 - $55.66
    $55.66
    $55.66 - $55.66
    $55.66
    Sold out
  • Save $15.59 Save $0.00

    5251H SYSTEM SENSOR

    SYSTEM SENSOR
    $155.89
    $155.89 - $155.89
    $155.89
    $140.30
    $140.30 - $140.30
    $140.30

    ADDRESSABLE HEAT DETECTOR HEAD, 190F FIXED, REQUIRES BASE

    $155.89
    $155.89 - $155.89
    $155.89
    $140.30
    $140.30 - $140.30
    $140.30
    Save $15.59 Save $0.00
  • Sold out

    5601P SYSTEM SENSOR

    SYSTEM SENSOR
    $30.61 - $30.61
    $30.61
    $30.61 - $30.61
    $30.61

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

    $30.61 - $30.61
    $30.61
    $30.61 - $30.61
    $30.61
    Sold out
  • Sold out

    5602 SYSTEM SENSOR

    SYSTEM SENSOR
    $29.82 - $29.82
    $29.82
    $29.82 - $29.82
    $29.82

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

    $29.82 - $29.82
    $29.82
    $29.82 - $29.82
    $29.82
    Sold out
  • Save $3.03 Save $0.00

    5603 SYSTEM SENSOR

    SYSTEM SENSOR
    $30.28
    $30.28 - $30.28
    $30.28
    $27.25
    $27.25 - $27.25
    $27.25

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

    $30.28
    $30.28 - $30.28
    $30.28
    $27.25
    $27.25 - $27.25
    $27.25
    Save $3.03 Save $0.00
  • Sold out

    5604 SYSTEM SENSOR

    SYSTEM SENSOR
    $29.91 - $29.91
    $29.91
    $29.91 - $29.91
    $29.91

    194 °F (90° C) fixed temperature.

    $29.91 - $29.91
    $29.91
    $29.91 - $29.91
    $29.91
    Sold out
  • Save $6.21 Save $0.00

    5621 SYSTEM SENSOR

    SYSTEM SENSOR
    $62.15
    $62.15 - $62.15
    $62.15
    $55.94
    $55.94 - $55.94
    $55.94

    135°F FIXED TEMPERATURE

    $62.15
    $62.15 - $62.15
    $62.15
    $55.94
    $55.94 - $55.94
    $55.94
    Save $6.21 Save $0.00
  • Save $5.11 Save $0.00

    5622 SYSTEM SENSOR

    SYSTEM SENSOR
    $50.98
    $50.98 - $50.98
    $50.98
    $45.87
    $45.87 - $45.87
    $45.87

    DUAL CIRCUITE 194°F FIXED TEMPERATURE RATE OF RISE

    $50.98
    $50.98 - $50.98
    $50.98
    $45.87
    $45.87 - $45.87
    $45.87
    Save $5.11 Save $0.00
  • Sold out

    5623 SYSTEM SENSOR

    SYSTEM SENSOR
    $53.48 - $53.48
    $53.48
    $53.48 - $53.48
    $53.48

    135°F FIXED HEAT DETECTOR TEMP ONLY

    $53.48 - $53.48
    $53.48
    $53.48 - $53.48
    $53.48
    Sold out
  • Save $4.78 Save $0.00

    5624 SYSTEM SENSOR

    SYSTEM SENSOR
    $47.85
    $47.85 - $47.85
    $47.85
    $43.07
    $43.07 - $43.07
    $43.07

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

    $47.85
    $47.85 - $47.85
    $47.85
    $43.07
    $43.07 - $43.07
    $43.07
    Save $4.78 Save $0.00
  • Sold out

    6500-MMK-US SYSTEM SENSOR

    SYSTEM SENSOR
    $199.43 - $199.43
    $199.43
    $199.43 - $199.43
    $199.43

    MULTI MOUNT KIT

    $199.43 - $199.43
    $199.43
    $199.43 - $199.43
    $199.43
    Sold out
  • Sold out

    72377B-801 SYSTEM SENSOR

    SYSTEM SENSOR
    $428.82 - $428.82
    $428.82
    $428.82 - $428.82
    $428.82

    WALL / POLE MOUNTING BRACKET FOR TCPA-10 SERIES

    $428.82 - $428.82
    $428.82
    $428.82 - $428.82
    $428.82
    Sold out
  • Save $6.34 Save $0.00

    A77-01-02 SYSTEM SENSOR

    SYSTEM SENSOR
    $63.42
    $63.42 - $63.42
    $63.42
    $57.08
    $57.08 - $57.08
    $57.08

    Replacement terminal block kit for WFD series waterflow detectors.

    $63.42
    $63.42 - $63.42
    $63.42
    $57.08
    $57.08 - $57.08
    $57.08
    Save $6.34 Save $0.00
  • Save $3.34 Save $0.00

    B110RLP SYSTEM SENSOR

    SYSTEM SENSOR
    $33.61
    $33.61 - $33.61
    $33.61
    $30.27
    $30.27 - $30.27
    $30.27
    DISCONTINUED

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

    $33.61
    $33.61 - $33.61
    $33.61
    $30.27
    $30.27 - $30.27
    $30.27
    Save $3.34 Save $0.00
  • Sold out

    B114LP SYSTEM SENSOR

    SYSTEM SENSOR
    $144.64 - $144.64
    $144.64
    $144.64 - $144.64
    $144.64

    BASE 6.0" 4W RLY (FIRELITE)

    $144.64 - $144.64
    $144.64
    $144.64 - $144.64
    $144.64
    Sold out
  • Sold out

    B114LPBT SYSTEM SENSOR

    SYSTEM SENSOR
    $123.87 - $123.87
    $123.87
    $123.87 - $123.87
    $123.87

    BASE 6.0" FOR 2151

    $123.87 - $123.87
    $123.87
    $123.87 - $123.87
    $123.87
    Sold out
  • Sold out

    B200S SYSTEM SENSOR

    SYSTEM SENSOR
    $116.03
    $116.03 - $116.03
    $116.03
    $114.93
    $114.93 - $114.93
    $114.93

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

    $116.03
    $116.03 - $116.03
    $116.03
    $114.93
    $114.93 - $114.93
    $114.93
    Sold out
  • Sold out

    B200S-IV SYSTEM SENSOR

    SYSTEM SENSOR
    $116.02 - $116.02
    $116.02
    $116.02 - $116.02
    $116.02
    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
    $116.02 - $116.02
    $116.02
    $116.02 - $116.02
    $116.02
    Sold out
  • Sold out

    B200S-LF-IV SYSTEM SENSOR

    SYSTEM SENSOR
    $156.92 - $156.92
    $156.92
    $156.92 - $156.92
    $156.92
    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
    $156.92 - $156.92
    $156.92
    $156.92 - $156.92
    $156.92
    Sold out
  • Sold out

    B200S-LF-WH SYSTEM SENSOR

    SYSTEM SENSOR
    $130.10 - $130.10
    $130.10
    $130.10 - $130.10
    $130.10

    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
    $130.10 - $130.10
    $130.10
    $130.10 - $130.10
    $130.10
    Sold out
  • Sold out

    B200S-WH SYSTEM SENSOR

    SYSTEM SENSOR
    $83.71
    $83.71 - $83.71
    $83.71
    $80.83
    $80.83 - $80.83
    $80.83

    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
    $83.71
    $83.71 - $83.71
    $83.71
    $80.83
    $80.83 - $80.83
    $80.83
    Sold out
  • Save $17.80 Save $0.00

    B200SR-LF-IV SYSTEM SENSOR

    SYSTEM SENSOR
    $178.02
    $178.02 - $178.02
    $178.02
    $160.22
    $160.22 - $160.22
    $160.22
    DISCONTINUED

    Addressable Low Frequency Sounder Base, Ivory

    $178.02
    $178.02 - $178.02
    $178.02
    $160.22
    $160.22 - $160.22
    $160.22
    Save $17.80 Save $0.00
  • Save $14.02 Save $0.00

    B200SR-LF-WH SYSTEM SENSOR

    SYSTEM SENSOR
    $140.32
    $140.32 - $140.32
    $140.32
    $126.30
    $126.30 - $126.30
    $126.30

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

    $140.32
    $140.32 - $140.32
    $140.32
    $126.30
    $126.30 - $126.30
    $126.30
    Save $14.02 Save $0.00
  • Save $9.46 Save $0.00

    B200SR-WH SYSTEM SENSOR

    SYSTEM SENSOR
    $94.58
    $94.58 - $94.58
    $94.58
    $85.12
    $85.12 - $85.12
    $85.12

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

    $94.58
    $94.58 - $94.58
    $94.58
    $85.12
    $85.12 - $85.12
    $85.12
    Save $9.46 Save $0.00
  • Save $7.09 Save $0.00

    B224BI SYSTEM SENSOR

    SYSTEM SENSOR
    $70.85
    $70.85 - $70.85
    $70.85
    $63.76
    $63.76 - $63.76
    $63.76
    DISCONTINUED

    INTELLIGENT ISOLATOR BASE

    $70.85
    $70.85 - $70.85
    $70.85
    $63.76
    $63.76 - $63.76
    $63.76
    Save $7.09 Save $0.00
  • Save $3.05 Save $0.00

    B224BI-IV SYSTEM SENSOR

    SYSTEM SENSOR
    $30.51
    $30.51 - $30.51
    $30.51
    $27.46
    $27.46 - $27.46
    $27.46
    DISCONTINUED

    ISOLATOR BASE; IVORY

    $30.51
    $30.51 - $30.51
    $30.51
    $27.46
    $27.46 - $27.46
    $27.46
    Save $3.05 Save $0.00
  • Save $7.34 Save $0.00

    B224BI-WH SYSTEM SENSOR

    SYSTEM SENSOR
    $73.39
    $73.39 - $73.39
    $73.39
    $66.05
    $66.05 - $66.05
    $66.05

    INTELLIGENT ISOLATOR BASE; WHITE

    $73.39
    $73.39 - $73.39
    $73.39
    $66.05
    $66.05 - $66.05
    $66.05
    Save $7.34 Save $0.00
  • Save $7.11 Save $0.00

    B224RB SYSTEM SENSOR

    SYSTEM SENSOR
    $71.04
    $71.04 - $71.04
    $71.04
    $63.93
    $63.93 - $63.93
    $63.93
    DISCONTINUED

    SENSOR INTELLIGENT RELAY BASE

    $71.04
    $71.04 - $71.04
    $71.04
    $63.93
    $63.93 - $63.93
    $63.93
    Save $7.11 Save $0.00
  • Sold out

    B224RB-IV SYSTEM SENSOR

    SYSTEM SENSOR
    $60.18 - $60.18
    $60.18
    $60.18 - $60.18
    $60.18
    DISCONTINUED

    INTELLIGENT RELAY BASE; IVORY

    $60.18 - $60.18
    $60.18
    $60.18 - $60.18
    $60.18
    Sold out
  • Save $7.52 Save $0.00

    B224RB-WH SYSTEM SENSOR

    SYSTEM SENSOR
    $75.10
    $75.10 - $75.10
    $75.10
    $67.58
    $67.58 - $67.58
    $67.58

    REPLACEMENT FOR B224RB

    $75.10
    $75.10 - $75.10
    $75.10
    $67.58
    $67.58 - $67.58
    $67.58
    Save $7.52 Save $0.00
  • Save $1.72 Save $0.00

    B300-6 SYSTEM SENSOR

    SYSTEM SENSOR
    $17.14
    $17.14 - $17.14
    $17.14
    $15.42
    $15.42 - $15.42
    $15.42

    6" BASE LOW-PROFILE, STANDARD FLANGED, WHITE

    $17.14
    $17.14 - $17.14
    $17.14
    $15.42
    $15.42 - $15.42
    $15.42
    Save $1.72 Save $0.00
  • Sold out

    B300-6-IV SYSTEM SENSOR

    SYSTEM SENSOR
    $28.66
    $28.66 - $28.66
    $28.66
    $19.96
    $19.96 - $19.96
    $19.96
    DISCONTINUED

    6" BASE; IVORY

    $28.66
    $28.66 - $28.66
    $28.66
    $19.96
    $19.96 - $19.96
    $19.96
    Sold out
  • Save $3.64 Save $0.00

    B401BR SYSTEM SENSOR

    SYSTEM SENSOR
    $36.37
    $36.37 - $36.37
    $36.37
    $32.73
    $32.73 - $32.73
    $32.73
    DISCONTINUED

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

    $36.37
    $36.37 - $36.37
    $36.37
    $32.73
    $32.73 - $32.73
    $32.73
    Save $3.64 Save $0.00
  • Sold out

    B406B SYSTEM SENSOR

    SYSTEM SENSOR
    $43.98 - $43.98
    $43.98
    $43.98 - $43.98
    $43.98
    DISCONTINUED

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

    $43.98 - $43.98
    $43.98
    $43.98 - $43.98
    $43.98
    Sold out
  • Save $1.29 Save $0.00

    B501 SYSTEM SENSOR

    SYSTEM SENSOR
    $12.91
    $12.91 - $12.91
    $12.91
    $11.62
    $11.62 - $11.62
    $11.62
    DISCONTINUED

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

    $12.91
    $12.91 - $12.91
    $12.91
    $11.62
    $11.62 - $11.62
    $11.62
    Save $1.29 Save $0.00
  • Save $6.33 Save $0.00

    B501-IV SYSTEM SENSOR

    SYSTEM SENSOR
    $31.55
    $31.55 - $31.55
    $31.55
    $25.22
    $25.22 - $25.22
    $25.22
    DISCONTINUED

    INTELLIGENT 4" DETECTOR BASE, WITHOUT FLANGE, IVORY

    $31.55
    $31.55 - $31.55
    $31.55
    $25.22
    $25.22 - $25.22
    $25.22
    Save $6.33 Save $0.00
  • Save $1.44 Save $0.00

    B501-WH SYSTEM SENSOR

    SYSTEM SENSOR
    $14.32
    $14.32 - $14.32
    $14.32
    $12.88
    $12.88 - $12.88
    $12.88

    INTELLIGENT DETECTOR BASES WITHOUT FLANGE

    $14.32
    $14.32 - $14.32
    $14.32
    $12.88
    $12.88 - $12.88
    $12.88
    Save $1.44 Save $0.00