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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 $54.13
    $54.13 - $54.13
    Current price $54.13

    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 $54.13
    $54.13 - $54.13
    Current price $54.13
    Save $4.07 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 $22.38
    $22.38 - $22.38
    Current price $22.38

    WEATHERPROOF BACKBOX, RED.

    Original price $24.06
    Original price $24.06 - Original price $24.06
    Original price $24.06
    Current price $22.38
    $22.38 - $22.38
    Current price $22.38
    Save $1.68 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 $434.98
    $434.98 - $434.98
    Current price $434.98
    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 $434.98
    $434.98 - $434.98
    Current price $434.98
    Save $32.74 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 $62.83
    Original price $62.83 - Original price $62.83
    Original price $62.83
    Current price $58.43
    $58.43 - $58.43
    Current price $58.43

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

    Original price $62.83
    Original price $62.83 - Original price $62.83
    Original price $62.83
    Current price $58.43
    $58.43 - $58.43
    Current price $58.43
    Save $4.40 Save $0.00
  • P2RHK-120 SYSTEM SENSOR

    SYSTEM SENSOR
    Original price $125.24
    Original price $125.24 - Original price $125.24
    Original price $125.24
    Current 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 $125.24
    Original price $125.24 - Original price $125.24
    Original price $125.24
    Current 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 $10.81
    Original price $10.81 - Original price $10.81
    Original price $10.81
    Current price $9.02
    $9.02 - $9.02
    Current price $9.02

    WHITE BACK BOX

    Original price $10.81
    Original price $10.81 - Original price $10.81
    Original price $10.81
    Current price $9.02
    $9.02 - $9.02
    Current price $9.02
    Save $1.79 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 $16.70
    $16.70 - $16.70
    Current price $16.70

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

    Original price $17.96
    Original price $17.96 - Original price $17.96
    Original price $17.96
    Current price $16.70
    $16.70 - $16.70
    Current price $16.70
    Save $1.26 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 $36.10
    $36.10 - $36.10
    Current price $36.10

    WALL, METAL WEATHERPROOF BACK BOX, WHITE

    Original price $38.82
    Original price $38.82 - Original price $38.82
    Original price $38.82
    Current price $36.10
    $36.10 - $36.10
    Current price $36.10
    Save $2.72 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 $19.21
    $19.21 - $19.21
    Current price $19.21

    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 $19.21
    $19.21 - $19.21
    Current price $19.21
    Save $1.45 Save $0.00
  • D4S SYSTEM SENSOR

    SYSTEM SENSOR
    Original price $114.21 - Original price $114.21
    Original price
    $114.21
    $114.21 - $114.21
    Current price $114.21

    INNOVAIRFLEX 4-WIRE CONVENTIONAL SENSOR ONLY COMPONENT

    Original price $114.21 - Original price $114.21
    Original price
    $114.21
    $114.21 - $114.21
    Current price $114.21
    Sold out
  • D4120W SYSTEM SENSOR

    SYSTEM SENSOR
    Original price $256.43
    Original price $256.43 - Original price $256.43
    Original price $256.43
    Current price $238.48
    $238.48 - $238.48
    Current price $238.48

    Watertight 4-Wire Duct Smoke Detector

    Original price $256.43
    Original price $256.43 - Original price $256.43
    Original price $256.43
    Current price $238.48
    $238.48 - $238.48
    Current price $238.48
    Save $17.95 Save $0.00
  • 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
  • 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
    Save $3.22 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 $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
  • 4WT-B SYSTEM SENSOR

    SYSTEM SENSOR
    Original price $52.73 - Original price $52.73
    Original price
    $52.73
    $52.73 - $52.73
    Current price $52.73

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

    Original price $52.73 - Original price $52.73
    Original price
    $52.73
    $52.73 - $52.73
    Current price $52.73
  • DST3 SYSTEM SENSOR

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

    STEEL SAMPLING TUBE 3'

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

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

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

    Original price $46.63 - Original price $46.63
    Original price
    $46.63
    $46.63 - $46.63
    Current price $46.63
    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
  • 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 $94.70
    Original price $94.70 - Original price $94.70
    Original price $94.70
    Current price $88.07
    $88.07 - $88.07
    Current price $88.07
    DISCONTINUED

    WHITE OUTDOOR HORN STROBE, PLAIN

    Original price $94.70
    Original price $94.70 - Original price $94.70
    Original price $94.70
    Current price $88.07
    $88.07 - $88.07
    Current price $88.07
    Save $6.63 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 $76.56
    $76.56 - $76.56
    Current price $76.56

    SYSTEM SENSOR CHIME STROBE WHITE WALL

    Original price $82.32
    Original price $82.32 - Original price $82.32
    Original price $82.32
    Current price $76.56
    $76.56 - $76.56
    Current price $76.56
    Save $5.76 Save $0.00
  • MP120KL SYSTEM SENSOR

    SYSTEM SENSOR
    Original price $33.75
    Original price $33.75 - Original price $33.75
    Original price $33.75
    Current price $28.57
    $28.57 - $28.57
    Current price $28.57

    120VAC ADAPTER (FIRELITE)

    Original price $33.75
    Original price $33.75 - Original price $33.75
    Original price $33.75
    Current price $28.57
    $28.57 - $28.57
    Current price $28.57
    Save $5.18 Save $0.00
  • M500DM SYSTEM SENSOR

    SYSTEM SENSOR
    Original price $19.10
    Original price $19.10 - Original price $19.10
    Original price $19.10
    Current price $17.83
    $17.83 - $17.83
    Current price $17.83

    DUAL CLASS B MONITOR MODULE

    Original price $19.10
    Original price $19.10 - Original price $19.10
    Original price $19.10
    Current 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 $95.42
    $95.42 - $95.42
    Current price $95.42

    BASE 6.0" 4W RLY (FIRELITE)

    Original price $102.60
    Original price $102.60 - Original price $102.60
    Original price $102.60
    Current price $95.42
    $95.42 - $95.42
    Current price $95.42
    Save $7.18 Save $0.00
  • LENS-AC SYSTEM SENSOR

    SYSTEM SENSOR
    Original price $7.79
    Original price $7.79 - Original price $7.79
    Original price $7.79
    Current price $7.24
    $7.24 - $7.24
    Current price $7.24
    DISCONTINUED

    CEILING STROBE LENS ATTACHMENT, AMBER

    Original price $7.79
    Original price $7.79 - Original price $7.79
    Original price $7.79
    Current price $7.24
    $7.24 - $7.24
    Current price $7.24
    Save $0.55 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 $34.19
    $34.19 - $34.19
    Current price $34.19

    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 $34.19
    $34.19 - $34.19
    Current price $34.19
    Save $2.57 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 $8.59
    $8.59 - $8.59
    Current price $8.59

    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 $8.59
    $8.59 - $8.59
    Current price $8.59
    Save $0.65 Save $0.00
  • PC2RK SYSTEM SENSOR

    SYSTEM SENSOR
    Original price $113.17
    Original price $113.17 - Original price $113.17
    Original price $113.17
    Current price $77.82
    $77.82 - $77.82
    Current price $77.82
    DISCONTINUED

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

    Original price $113.17
    Original price $113.17 - Original price $113.17
    Original price $113.17
    Current price $77.82
    $77.82 - $77.82
    Current price $77.82
    Save $35.35 Save $0.00
  • P2RL-LF SYSTEM SENSOR

    SYSTEM SENSOR
    Original price $98.24
    Original price $98.24 - Original price $98.24
    Original price $98.24
    Current price $91.36
    $91.36 - $91.36
    Current price $91.36

    COMBO 2W WALL LOW FREQUENCY RED

    Original price $98.24
    Original price $98.24 - Original price $98.24
    Original price $98.24
    Current price $91.36
    $91.36 - $91.36
    Current price $91.36
    Save $6.88 Save $0.00
  • SRK-R SYSTEM SENSOR

    SYSTEM SENSOR
    Original price $58.99
    Original price $58.99 - Original price $58.99
    Original price $58.99
    Current price $54.86
    $54.86 - $54.86
    Current price $54.86

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

    Original price $58.99
    Original price $58.99 - Original price $58.99
    Original price $58.99
    Current price $54.86
    $54.86 - $54.86
    Current price $54.86
    Save $4.13 Save $0.00
  • SPSWL-CLR-ALERT SYSTEM SENSOR

    SYSTEM SENSOR
    Original price $102.90
    Original price $102.90 - Original price $102.90
    Original price $102.90
    Current price $68.64
    $68.64 - $68.64
    Current price $68.64
    DISCONTINUED

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

    Original price $102.90
    Original price $102.90 - Original price $102.90
    Original price $102.90
    Current price $68.64
    $68.64 - $68.64
    Current price $68.64
    Save $34.26 Save $0.00
  • RTS2 SYSTEM SENSOR

    SYSTEM SENSOR
    Original price $97.10
    Original price $97.10 - Original price $97.10
    Original price $97.10
    Current price $90.30
    $90.30 - $90.30
    Current price $90.30

    Multi Signaling Unit, 20 to 29VDC. Key Reset

    Original price $97.10
    Original price $97.10 - Original price $97.10
    Original price $97.10
    Current price $90.30
    $90.30 - $90.30
    Current price $90.30
    Save $6.80 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 $10.11
    $10.11 - $10.11
    Current price $10.11

    INTELLIGENT DETECTOR BASES WITHOUT FLANGE

    Original price $10.87
    Original price $10.87 - Original price $10.87
    Original price $10.87
    Current price $10.11
    $10.11 - $10.11
    Current price $10.11
    Save $0.76 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

    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
  • SSV120-10 SYSTEM SENSOR

    SYSTEM SENSOR
    Original price $54.78
    Original price $54.78 - Original price $54.78
    Original price $54.78
    Current price $50.95
    $50.95 - $50.95
    Current price $50.95

    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 $50.95
    $50.95 - $50.95
    Current price $50.95
    Save $3.83 Save $0.00
  • HCWL-LF-BP10 SYSTEM SENSOR

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

    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
    $559.27 - $559.27
    Current price $559.27
    Sold out
  • 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 $464.17
    $464.17 - $464.17
    Current price $464.17

    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 $464.17
    $464.17 - $464.17
    Current price $464.17
    Save $34.94 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 $433.58
    $433.58 - $433.58
    Current price $433.58
    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 $433.58
    $433.58 - $433.58
    Current price $433.58
    Save $32.63 Save $0.00
  • SPWL-BP10 SYSTEM SENSOR

    SYSTEM SENSOR
    Original price $272.76
    Original price $272.76 - Original price $272.76
    Original price $272.76
    Current price $253.67
    $253.67 - $253.67
    Current price $253.67

    SPEAKER WHITE WALL; 10 PACK

    Original price $272.76
    Original price $272.76 - Original price $272.76
    Original price $272.76
    Current price $253.67
    $253.67 - $253.67
    Current price $253.67
    Save $19.09 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 $31.38
    $31.38 - $31.38
    Current price $31.38

    SPEAKER RED CEILING

    Original price $33.74
    Original price $33.74 - Original price $33.74
    Original price $33.74
    Current price $31.38
    $31.38 - $31.38
    Current price $31.38
    Save $2.36 Save $0.00
  • PC2RL-BP10 SYSTEM SENSOR

    SYSTEM SENSOR
    Original price $671.03
    Original price $671.03 - Original price $671.03
    Original price $671.03
    Current price $624.06
    $624.06 - $624.06
    Current price $624.06
    DISCONTINUED

    HORN STROBE 2W RED CEILING; 10 PACK

    Original price $671.03
    Original price $671.03 - Original price $671.03
    Original price $671.03
    Current price $624.06
    $624.06 - $624.06
    Current price $624.06
    Save $46.97 Save $0.00
  • SCWK SYSTEM SENSOR

    SYSTEM SENSOR
    Original price $66.75
    Original price $66.75 - Original price $66.75
    Original price $66.75
    Current price $62.08
    $62.08 - $62.08
    Current price $62.08
    DISCONTINUED

    Strobe, 12/24 volt, multi-candela 15, 15/75, 30, 75, 110, 115, outdoor, includes backbox

    Original price $66.75
    Original price $66.75 - Original price $66.75
    Original price $66.75
    Current price $62.08
    $62.08 - $62.08
    Current price $62.08
    Save $4.67 Save $0.00