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SYSTEM SENSOR

  • EPS10-2 SYSTEM SENSOR

    SYSTEM SENSOR
    Original price $58.20
    Original price $58.20 - Original price $58.20
    Original price $58.20
    Current price $51.22
    $51.22 - $51.22
    Current price $51.22

    ALARM WATERFLOW PRESSURE SWITCH, 2 SPDT, 4 - 20 POWER SUPPLY

    Original price $58.20
    Original price $58.20 - Original price $58.20
    Original price $58.20
    Current price $51.22
    $51.22 - $51.22
    Current price $51.22
    Save $6.98 Save $0.00
  • WBB SYSTEM SENSOR

    SYSTEM SENSOR
    Original price $24.06
    Original price $24.06 - Original price $24.06
    Original price $24.06
    Current price $21.17
    $21.17 - $21.17
    Current price $21.17

    WEATHERPROOF BACKBOX, RED.

    Original price $24.06
    Original price $24.06 - Original price $24.06
    Original price $24.06
    Current price $21.17
    $21.17 - $21.17
    Current price $21.17
    Save $2.89 Save $0.00
  • WFD20N SYSTEM SENSOR

    SYSTEM SENSOR
    Original price $159.71 - Original price $159.71
    Original price
    $159.71
    $159.71 - $159.71
    Current price $159.71

    2” WATERFLOW DETECTOR, SCHEDULE 10/40

    Original price $159.71 - Original price $159.71
    Original price
    $159.71
    $159.71 - $159.71
    Current price $159.71
    Sold out
  • P2WL-BP10 SYSTEM SENSOR

    SYSTEM SENSOR
    Original price $467.72
    Original price $467.72 - Original price $467.72
    Original price $467.72
    Current price $411.59
    $411.59 - $411.59
    Current price $411.59
    DISCONTINUED

    HORN STROBE 2W WHITE WALL; 10 PACK

    Original price $467.72
    Original price $467.72 - Original price $467.72
    Original price $467.72
    Current price $411.59
    $411.59 - $411.59
    Current price $411.59
    Save $56.13 Save $0.00
  • SPSRHK SYSTEM SENSOR

    SYSTEM SENSOR
    Original price $136.52 - Original price $136.52
    Original price
    $136.52
    $136.52 - $136.52
    Current price $136.52

    SPEAKER/STROBE, WALL, HIGH-CANDELA..135, 150, 177, 185 RED, OUTDOOR,..INCLUDES BACKBOX

    Original price $136.52 - Original price $136.52
    Original price
    $136.52
    $136.52 - $136.52
    Current price $136.52
    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
    Sold out
  • P2RHK-120 SYSTEM SENSOR

    SYSTEM SENSOR
    Original price $110.03 - Original price $110.03
    Original price
    $110.03
    $110.03 - $110.03
    Current price $110.03

    HORN/STROBE, 120 VOLT, HI CANDELA, 135,150,177,185 CD, RED OUTDOOR, INCLUDES BACKBOX

    Original price $110.03 - Original price $110.03
    Original price
    $110.03
    $110.03 - $110.03
    Current price $110.03
    Sold out
  • WFD60N SYSTEM SENSOR

    SYSTEM SENSOR
    Original price $167.08 - Original price $167.08
    Original price
    $167.08
    $167.08 - $167.08
    Current price $167.08

    WATERFLOW DETECTOR 6"

    Original price $167.08 - Original price $167.08
    Original price
    $167.08
    $167.08 - $167.08
    Current price $167.08
    Sold out
  • SMB500-WH SYSTEM SENSOR

    SYSTEM SENSOR
    Original price $9.70
    Original price $9.70 - Original price $9.70
    Original price $9.70
    Current price $8.54
    $8.54 - $8.54
    Current price $8.54

    WHITE BACK BOX

    Original price $9.70
    Original price $9.70 - Original price $9.70
    Original price $9.70
    Current price $8.54
    $8.54 - $8.54
    Current price $8.54
    Save $1.16 Save $0.00
  • R-20E SYSTEM SENSOR

    SYSTEM SENSOR
    Original price $44.45 - Original price $44.45
    Original price
    $44.45
    $44.45 - $44.45
    Current price $44.45

    The R-20E is a multi-voltage relay with terminal strip field wiring connections, mounting track and hardware mounted in a steel enclosure. The clos...

    View full details
    Original price $44.45 - Original price $44.45
    Original price
    $44.45
    $44.45 - $44.45
    Current price $44.45
    Sold out
  • PR-1 SYSTEM SENSOR

    SYSTEM SENSOR
    Original price $17.96
    Original price $17.96 - Original price $17.96
    Original price $17.96
    Current price $15.80
    $15.80 - $15.80
    Current price $15.80

    RELAY, SPDT, MULTIVOLT, 24VDC, 24/115VAC

    Original price $17.96
    Original price $17.96 - Original price $17.96
    Original price $17.96
    Current price $15.80
    $15.80 - $15.80
    Current price $15.80
    Save $2.16 Save $0.00
  • P4RK SYSTEM SENSOR

    SYSTEM SENSOR
    Original price $100.48
    Original price $100.48 - Original price $100.48
    Original price $100.48
    Current price $88.42
    $88.42 - $88.42
    Current price $88.42

    4 Wire Horn/Strobe STD Candela Red

    Original price $100.48
    Original price $100.48 - Original price $100.48
    Original price $100.48
    Current price $88.42
    $88.42 - $88.42
    Current price $88.42
    Save $12.06 Save $0.00
  • OSY2 SYSTEM SENSOR

    SYSTEM SENSOR
    Original price $142.28 - Original price $142.28
    Original price
    $142.28
    $142.28 - $142.28
    Current price $142.28

    OUSIDE SCREW AND YOKE VALVE SUPERVISORY SWITCH

    Original price $142.28 - Original price $142.28
    Original price
    $142.28
    $142.28 - $142.28
    Current price $142.28
    Sold out
  • MWBBW SYSTEM SENSOR

    SYSTEM SENSOR
    Original price $38.82
    Original price $38.82 - Original price $38.82
    Original price $38.82
    Current price $34.16
    $34.16 - $34.16
    Current price $34.16

    WALL, METAL WEATHERPROOF BACK BOX, WHITE

    Original price $38.82
    Original price $38.82 - Original price $38.82
    Original price $38.82
    Current price $34.16
    $34.16 - $34.16
    Current price $34.16
    Save $4.66 Save $0.00
  • EOLR-1 SYSTEM SENSOR

    SYSTEM SENSOR
    Original price $20.66
    Original price $20.66 - Original price $20.66
    Original price $20.66
    Current price $18.18
    $18.18 - $18.18
    Current price $18.18

    SPST relay, ULC approved as an end of line relay to supervise power supplies.

    Original price $20.66
    Original price $20.66 - Original price $20.66
    Original price $20.66
    Current price $18.18
    $18.18 - $18.18
    Current price $18.18
    Save $2.48 Save $0.00
  • D4S SYSTEM SENSOR

    SYSTEM SENSOR
    Original price $109.30 - Original price $109.30
    Original price
    $109.30
    $109.30 - $109.30
    Current price $109.30

    INNOVAIRFLEX 4-WIRE CONVENTIONAL SENSOR ONLY COMPONENT

    Original price $109.30 - Original price $109.30
    Original price
    $109.30
    $109.30 - $109.30
    Current price $109.30
    Sold out
  • D4120W SYSTEM SENSOR

    SYSTEM SENSOR
    Original price $256.43 - Original price $256.43
    Original price
    $256.43
    $256.43 - $256.43
    Current price $256.43

    Watertight 4-Wire Duct Smoke Detector

    Original price $256.43 - Original price $256.43
    Original price
    $256.43
    $256.43 - $256.43
    Current price $256.43
    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 $42.48
    $42.48 - $42.48
    Current price $42.48

    REPLACEMENT FOR B224RB

    Original price $48.27
    Original price $48.27 - Original price $48.27
    Original price $48.27
    Current price $42.48
    $42.48 - $42.48
    Current price $42.48
    Save $5.79 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 $40.43
    $40.43 - $40.43
    Current price $40.43
    DISCONTINUED

    INTELLIGENT RELAY BASE; IVORY

    Original price $45.94
    Original price $45.94 - Original price $45.94
    Original price $45.94
    Current price $40.43
    $40.43 - $40.43
    Current price $40.43
    Save $5.51 Save $0.00
  • 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
  • 5622 SYSTEM SENSOR

    SYSTEM SENSOR
    Original price $31.16
    Original price $31.16 - Original price $31.16
    Original price $31.16
    Current price $27.42
    $27.42 - $27.42
    Current price $27.42

    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 $27.42
    $27.42 - $27.42
    Current price $27.42
    Save $3.74 Save $0.00
  • 4WT-B SYSTEM SENSOR

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

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

    Original price $51.62 - Original price $51.62
    Original price
    $51.62
    $51.62 - $51.62
    Current price $51.62
    Sold out
  • DST3 SYSTEM SENSOR

    SYSTEM SENSOR
    Original price $13.09
    Original price $13.09 - Original price $13.09
    Original price $13.09
    Current price $11.52
    $11.52 - $11.52
    Current price $11.52

    STEEL SAMPLING TUBE 3'

    Original price $13.09
    Original price $13.09 - Original price $13.09
    Original price $13.09
    Current price $11.52
    $11.52 - $11.52
    Current price $11.52
    Sold out
  • P2RLED SYSTEM SENSOR

    SYSTEM SENSOR
    Original price $46.64 - Original price $46.64
    Original price
    $46.64
    $46.64 - $46.64
    Current price $46.64

    LED HORN STROBE; WALL; RED; FIRE; 2-WIRE

    Original price $46.64 - Original price $46.64
    Original price
    $46.64
    $46.64 - $46.64
    Current price $46.64
    Sold out
  • P4RL SYSTEM SENSOR

    SYSTEM SENSOR
    Original price $79.27 - Original price $79.27
    Original price
    $79.27
    $79.27 - $79.27
    Current price $79.27

    HORN STROBE, WALL, 4-WIRE, RED, L-SERIES

    Original price $79.27 - Original price $79.27
    Original price
    $79.27
    $79.27 - $79.27
    Current price $79.27
    Sold out
  • SPWL SYSTEM SENSOR

    SYSTEM SENSOR
    Original price $33.65
    Original price $33.65 - Original price $33.65
    Original price $33.65
    Current price $29.61
    $29.61 - $29.61
    Current price $29.61

    SPEAKER WHITE WALL

    Original price $33.65
    Original price $33.65 - Original price $33.65
    Original price $33.65
    Current price $29.61
    $29.61 - $29.61
    Current price $29.61
    Save $4.04 Save $0.00
  • SCWLED-CLR-ALERT SYSTEM SENSOR

    SYSTEM SENSOR
    Original price $55.23 - Original price $55.23
    Original price
    $55.23
    $55.23 - $55.23
    Current price $55.23

    LED STROBE; CEILING; WHITE; ALERT; 2-WIRE

    Original price $55.23 - Original price $55.23
    Original price
    $55.23
    $55.23 - $55.23
    Current price $55.23
    Sold out
  • P2WK-P SYSTEM SENSOR

    SYSTEM SENSOR
    Original price $79.09
    Original price $79.09 - Original price $79.09
    Original price $79.09
    Current price $69.60
    $69.60 - $69.60
    Current price $69.60
    DISCONTINUED

    WHITE OUTDOOR HORN STROBE, PLAIN

    Original price $79.09
    Original price $79.09 - Original price $79.09
    Original price $79.09
    Current price $69.60
    $69.60 - $69.60
    Current price $69.60
    Save $9.49 Save $0.00
  • CHSWL SYSTEM SENSOR

    SYSTEM SENSOR
    Original price $82.32
    Original price $82.32 - Original price $82.32
    Original price $82.32
    Current price $72.44
    $72.44 - $72.44
    Current price $72.44

    SYSTEM SENSOR CHIME STROBE WHITE WALL

    Original price $82.32
    Original price $82.32 - Original price $82.32
    Original price $82.32
    Current price $72.44
    $72.44 - $72.44
    Current price $72.44
    Save $9.88 Save $0.00
  • MP120KL SYSTEM SENSOR

    SYSTEM SENSOR
    Original price $30.72
    Original price $30.72 - Original price $30.72
    Original price $30.72
    Current price $27.03
    $27.03 - $27.03
    Current price $27.03

    120VAC ADAPTER (FIRELITE)

    Original price $30.72
    Original price $30.72 - Original price $30.72
    Original price $30.72
    Current price $27.03
    $27.03 - $27.03
    Current price $27.03
    Save $3.69 Save $0.00
  • M500DM SYSTEM SENSOR

    SYSTEM SENSOR
    Original price $17.83 - Original price $17.83
    Original price
    $17.83
    $17.83 - $17.83
    Current price $17.83

    DUAL CLASS B MONITOR MODULE

    Original price $17.83 - Original price $17.83
    Original price
    $17.83
    $17.83 - $17.83
    Current price $17.83
    Sold out
  • B114LP SYSTEM SENSOR

    SYSTEM SENSOR
    Original price $102.60
    Original price $102.60 - Original price $102.60
    Original price $102.60
    Current price $90.29
    $90.29 - $90.29
    Current price $90.29

    BASE 6.0" 4W RLY (FIRELITE)

    Original price $102.60
    Original price $102.60 - Original price $102.60
    Original price $102.60
    Current price $90.29
    $90.29 - $90.29
    Current price $90.29
    Sold out
  • LENS-AC SYSTEM SENSOR

    SYSTEM SENSOR
    Original price $7.79
    Original price $7.79 - Original price $7.79
    Original price $7.79
    Current price $6.86
    $6.86 - $6.86
    Current price $6.86
    DISCONTINUED

    CEILING STROBE LENS ATTACHMENT, AMBER

    Original price $7.79
    Original price $7.79 - Original price $7.79
    Original price $7.79
    Current price $6.86
    $6.86 - $6.86
    Current price $6.86
    Save $0.93 Save $0.00
  • BZGW-AL SYSTEM SENSOR

    SYSTEM SENSOR
    Original price $36.76
    Original price $36.76 - Original price $36.76
    Original price $36.76
    Current price $32.35
    $32.35 - $32.35
    Current price $32.35

    4x2 Wall White Bezel Kit with ALERT

    Original price $36.76
    Original price $36.76 - Original price $36.76
    Original price $36.76
    Current price $32.35
    $32.35 - $32.35
    Current price $32.35
    Save $4.41 Save $0.00
  • DST1 SYSTEM SENSOR

    SYSTEM SENSOR
    Original price $9.24
    Original price $9.24 - Original price $9.24
    Original price $9.24
    Current price $8.13
    $8.13 - $8.13
    Current price $8.13

    INNOVAIRFLEX SAMPLING TUBE, STEEL, 1’ WITH HOLES

    Original price $9.24
    Original price $9.24 - Original price $9.24
    Original price $9.24
    Current price $8.13
    $8.13 - $8.13
    Current price $8.13
    Save $1.11 Save $0.00
  • PC2RK SYSTEM SENSOR

    SYSTEM SENSOR
    Original price $83.68 - Original price $83.68
    Original price
    $83.68
    $83.68 - $83.68
    Current price $83.68
    DISCONTINUED

    HORN/STROBE, 12/24 VOLT, RED, MULTI-CANDELA 15,15/75,30,75,110,115 CD, OUTDOOR, INCLUDES BACKBOX

    Original price $83.68 - Original price $83.68
    Original price
    $83.68
    $83.68 - $83.68
    Current price $83.68
    Sold out
  • P2RL-LF SYSTEM SENSOR

    SYSTEM SENSOR
    Original price $98.24
    Original price $98.24 - Original price $98.24
    Original price $98.24
    Current price $86.45
    $86.45 - $86.45
    Current price $86.45

    COMBO 2W WALL LOW FREQUENCY RED

    Original price $98.24
    Original price $98.24 - Original price $98.24
    Original price $98.24
    Current price $86.45
    $86.45 - $86.45
    Current price $86.45
    Save $11.79 Save $0.00
  • SRK-R SYSTEM SENSOR

    SYSTEM SENSOR
    Original price $58.16
    Original price $58.16 - Original price $58.16
    Original price $58.16
    Current price $51.18
    $51.18 - $51.18
    Current price $51.18

    REPLACEMENT STROBE, 12/24 VOLT, RED, MULTI-CANDELA 15,15/75,30,75,110,115 CD, OUTDOOR

    Original price $58.16
    Original price $58.16 - Original price $58.16
    Original price $58.16
    Current price $51.18
    $51.18 - $51.18
    Current price $51.18
    Save $6.98 Save $0.00
  • SPSWL-CLR-ALERT SYSTEM SENSOR

    SYSTEM SENSOR
    Original price $73.81
    Original price $73.81 - Original price $73.81
    Original price $73.81
    Current price $64.95
    $64.95 - $64.95
    Current price $64.95
    DISCONTINUED

    L-SERIES, WHITE, WALL-MOUNTABLE, CLEAR LENS, SPEAKER STROBE WITH STANDARD CD. DESIGNED FOR ECS/MNS APPLICATIONS.

    Original price $73.81
    Original price $73.81 - Original price $73.81
    Original price $73.81
    Current price $64.95
    $64.95 - $64.95
    Current price $64.95
    Save $8.86 Save $0.00
  • B501-WH SYSTEM SENSOR

    SYSTEM SENSOR
    Original price $10.87
    Original price $10.87 - Original price $10.87
    Original price $10.87
    Current price $9.57
    $9.57 - $9.57
    Current price $9.57

    INTELLIGENT DETECTOR BASES WITHOUT FLANGE

    Original price $10.87
    Original price $10.87 - Original price $10.87
    Original price $10.87
    Current price $9.57
    $9.57 - $9.57
    Current price $9.57
    Save $1.30 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 $31.22
    $31.22 - $31.22
    Current price $31.22
    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 $31.22
    $31.22 - $31.22
    Current price $31.22
    Save $4.26 Save $0.00
  • SSV120-10 SYSTEM SENSOR

    SYSTEM SENSOR
    Original price $54.78
    Original price $54.78 - Original price $54.78
    Original price $54.78
    Current price $48.21
    $48.21 - $48.21
    Current price $48.21

    The SSV120-10 is a 10", 120VAC alarm bell.

    Original price $54.78
    Original price $54.78 - Original price $54.78
    Original price $54.78
    Current price $48.21
    $48.21 - $48.21
    Current price $48.21
    Save $6.57 Save $0.00
  • HCWL-LF-BP10 SYSTEM SENSOR

    SYSTEM SENSOR
    Original price $559.27
    Original price $559.27 - Original price $559.27
    Original price $559.27
    Current price $492.16
    $492.16 - $492.16
    Current price $492.16

    LOW-FREQUENCY COMPACT SOUNDER, 15, 30, 75, 95, 110, 135, 185 CD, CEILING, WHITE - BULK PACK of 10 UNITS

    Original price $559.27
    Original price $559.27 - Original price $559.27
    Original price $559.27
    Current price $492.16
    $492.16 - $492.16
    Current price $492.16
    Save $67.11 Save $0.00
  • HWL-LF-BP10 SYSTEM SENSOR

    SYSTEM SENSOR
    Original price $499.11
    Original price $499.11 - Original price $499.11
    Original price $499.11
    Current price $439.22
    $439.22 - $439.22
    Current price $439.22

    LOW-FREQUENCY SOUNDER, 15, 30, 75, 95,

    Original price $499.11
    Original price $499.11 - Original price $499.11
    Original price $499.11
    Current price $439.22
    $439.22 - $439.22
    Current price $439.22
    Save $59.89 Save $0.00
  • SWL-BP10 SYSTEM SENSOR

    SYSTEM SENSOR
    Original price $466.21
    Original price $466.21 - Original price $466.21
    Original price $466.21
    Current price $410.26
    $410.26 - $410.26
    Current price $410.26
    DISCONTINUED

    STROBE, 12/24 VOLT, MULTI-CANDELA 15, 30, 75, 95, 110, 135, 185, WHITE - BULK PACK OF 10 UNITS

    Original price $466.21
    Original price $466.21 - Original price $466.21
    Original price $466.21
    Current price $410.26
    $410.26 - $410.26
    Current price $410.26
    Save $55.95 Save $0.00
  • SPWL-BP10 SYSTEM SENSOR

    SYSTEM SENSOR
    Original price $262.03 - Original price $262.03
    Original price
    $262.03
    $262.03 - $262.03
    Current price $262.03

    SPEAKER WHITE WALL; 10 PACK

    Original price $262.03 - Original price $262.03
    Original price
    $262.03
    $262.03 - $262.03
    Current price $262.03
    Sold out
  • SPCWL-BP10 SYSTEM SENSOR

    SYSTEM SENSOR
    Original price $317.06
    Original price $317.06 - Original price $317.06
    Original price $317.06
    Current price $279.01
    $279.01 - $279.01
    Current price $279.01

    SPEAKER ONLY, CEILING, 1/4W - 2W, WHITE - BULK PACK OF 10 UNITS

    Original price $317.06
    Original price $317.06 - Original price $317.06
    Original price $317.06
    Current price $279.01
    $279.01 - $279.01
    Current price $279.01
    Save $38.05 Save $0.00
  • SPCRL SYSTEM SENSOR

    SYSTEM SENSOR
    Original price $33.74
    Original price $33.74 - Original price $33.74
    Original price $33.74
    Current price $29.69
    $29.69 - $29.69
    Current price $29.69

    SPEAKER RED CEILING

    Original price $33.74
    Original price $33.74 - Original price $33.74
    Original price $33.74
    Current price $29.69
    $29.69 - $29.69
    Current price $29.69
    Save $4.05 Save $0.00