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  • D8108A BOSCH

    BOSCH
    Original price $90.99
    Original price $90.99 - Original price $90.99
    Original price $90.99
    Current price $77.34
    $77.34 - $77.34
    Current price $77.34

    Enclosure Attack Resistant (Ul Appr)

    Original price $90.99
    Original price $90.99 - Original price $90.99
    Original price $90.99
    Current price $77.34
    $77.34 - $77.34
    Current price $77.34
    Save $13.65 Save $0.00
  • D8129 BOSCH

    BOSCH
    Original price $66.24
    Original price $66.24 - Original price $66.24
    Original price $66.24
    Current price $56.31
    $56.31 - $56.31
    Current price $56.31
    DISCONTINUED

    Alarm System Octo-Relay Module, 30V DC, 1 Ampere, Panel Mount

    Original price $66.24
    Original price $66.24 - Original price $66.24
    Original price $66.24
    Current price $56.31
    $56.31 - $56.31
    Current price $56.31
    Save $9.93 Save $0.00
  • D8130 BOSCH

    BOSCH
    Original price $108.77
    Original price $108.77 - Original price $108.77
    Original price $108.77
    Current price $92.45
    $92.45 - $92.45
    Current price $92.45

    DOOR RELEASE MODULE

    Original price $108.77
    Original price $108.77 - Original price $108.77
    Original price $108.77
    Current price $92.45
    $92.45 - $92.45
    Current price $92.45
    Save $16.32 Save $0.00
  • DA-C HOCHIKI

    HOCHIKI
    Original price $16.12 - Original price $16.12
    Original price
    $16.12
    $16.12 - $16.12
    Current price $16.12

    DUAL ACTION COVER

    Original price $16.12 - Original price $16.12
    Original price
    $16.12
    $16.12 - $16.12
    Current price $16.12
  • DAC-NET SIEMENS

    SIEMENS
    Original price $1,850.55
    Original price $1,850.55 - Original price $1,850.55
    Original price $1,850.55
    Current price $1,572.96
    $1,572.96 - $1,572.96
    Current price $1,572.96

    Digital audio card (stand alone or master slave network voice applications)

    Original price $1,850.55
    Original price $1,850.55 - Original price $1,850.55
    Original price $1,850.55
    Current price $1,572.96
    $1,572.96 - $1,572.96
    Current price $1,572.96
    Save $277.59 Save $0.00
  • DB-11E SIEMENS

    SIEMENS
    Original price $6.68
    Original price $6.68 - Original price $6.68
    Original price $6.68
    Current price $5.68
    $5.68 - $5.68
    Current price $5.68

    Base for OP/OH/HI921

    Original price $6.68
    Original price $6.68 - Original price $6.68
    Original price $6.68
    Current price $5.68
    $5.68 - $5.68
    Current price $5.68
    Save $1.00 Save $0.00
  • DB-3S SIEMENS

    SIEMENS
    Original price $15.20
    Original price $15.20 - Original price $15.20
    Original price $15.20
    Current price $12.91
    $12.91 - $12.91
    Current price $12.91

    SERIES-3 BASE (Part# 595-381804)

    Original price $15.20
    Original price $15.20 - Original price $15.20
    Original price $15.20
    Current price $12.91
    $12.91 - $12.91
    Current price $12.91
    Save $2.29 Save $0.00
  • DB-ADPT SIEMENS

    SIEMENS
    Original price $40.82
    Original price $40.82 - Original price $40.82
    Original price $40.82
    Current price $34.69
    $34.69 - $34.69
    Current price $34.69

    Siemens base adapter interfaces Series 11 detectors with previously installed DB-3S bases. (Part# 500-094187)

    Original price $40.82
    Original price $40.82 - Original price $40.82
    Original price $40.82
    Current price $34.69
    $34.69 - $34.69
    Current price $34.69
    Save $6.13 Save $0.00
  • DB-X3RS SIEMENS

    SIEMENS
    Original price $141.46
    Original price $141.46 - Original price $141.46
    Original price $141.46
    Current price $120.25
    $120.25 - $120.25
    Current price $120.25

    SERIES-3 MOUNTING BASE WITH RELAY (Part# 500-083248)

    Original price $141.46
    Original price $141.46 - Original price $141.46
    Original price $141.46
    Current price $120.25
    $120.25 - $120.25
    Current price $120.25
    Save $21.21 Save $0.00
  • DB1HPULA024D1D2NNNR WHEELOCK

    WHEELOCK
    Original price $3,693.64
    Original price $3,693.64 - Original price $3,693.64
    Original price $3,693.64
    Current price $3,139.59
    $3,139.59 - $3,139.59
    Current price $3,139.59
    DISCONTINUED

    MULTITONE,24VDC,100dBA,CL 1 DIV 1,RD

    Original price $3,693.64
    Original price $3,693.64 - Original price $3,693.64
    Original price $3,693.64
    Current price $3,139.59
    $3,139.59 - $3,139.59
    Current price $3,139.59
    Save $554.05 Save $0.00
  • DB2-HR SIEMENS

    SIEMENS
    Original price $86.13
    Original price $86.13 - Original price $86.13
    Original price $86.13
    Current price $73.22
    $73.22 - $73.22
    Current price $73.22

    Relay Base

    Original price $86.13
    Original price $86.13 - Original price $86.13
    Original price $86.13
    Current price $73.22
    $73.22 - $73.22
    Current price $73.22
    Save $12.91 Save $0.00
  • DB3BULGD048N1ZSNSN MEDC

    MEDC
    Original price $1,220.31
    Original price $1,220.31 - Original price $1,220.31
    Original price $1,220.31
    Current price $1,037.25
    $1,037.25 - $1,037.25
    Current price $1,037.25

    TXP-HORN, MULTI-TONE, 115 DB, 24V, C1,D2, BLACK

    Original price $1,220.31
    Original price $1,220.31 - Original price $1,220.31
    Original price $1,220.31
    Current price $1,037.25
    $1,037.25 - $1,037.25
    Current price $1,037.25
    Save $183.06 Save $0.00
  • DCD-135 HOCHIKI

    HOCHIKI
    Original price $38.91
    Original price $38.91 - Original price $38.91
    Original price $38.91
    Current price $33.08
    $33.08 - $33.08
    Current price $33.08

    135 DEGREE, FIXED TEMP./RATE OF RISE HEAT DETECTOR

    Original price $38.91
    Original price $38.91 - Original price $38.91
    Original price $38.91
    Current price $33.08
    $33.08 - $33.08
    Current price $33.08
    Save $5.83 Save $0.00
  • DCD-190 HOCHIKI

    HOCHIKI
    Original price $38.91 - Original price $38.91
    Original price
    $38.91
    $38.91 - $38.91
    Current price $38.91

    190 DEGREE, FIXED TEMP./RATE OF RISE HEAT DETECTOR

    Original price $38.91 - Original price $38.91
    Original price
    $38.91
    $38.91 - $38.91
    Current price $38.91
  • DCOIL SYSTEM SENSOR

    SYSTEM SENSOR
    Original price $41.90
    Original price $41.90 - Original price $41.90
    Original price $41.90
    Current price $36.88
    $36.88 - $36.88
    Current price $36.88

    INNOVAIRFLEX DUCT ACCESSORY COIL, REQUIRED ON DNR IF A REMOTE TEST STATION IS USED

    Original price $41.90
    Original price $41.90 - Original price $41.90
    Original price $41.90
    Current price $36.88
    $36.88 - $36.88
    Current price $36.88
    Save $5.02 Save $0.00
  • DCP-AMS HOCHIKI

    HOCHIKI
    Original price $92.72
    Original price $92.72 - Original price $92.72
    Original price $92.72
    Current price $78.81
    $78.81 - $78.81
    Current price $78.81

    SINGLE ACTION ADDRESSABLE MANUAL PULL STATION

    Original price $92.72
    Original price $92.72 - Original price $92.72
    Original price $92.72
    Current price $78.81
    $78.81 - $78.81
    Current price $78.81
    Save $13.91 Save $0.00
  • DCP-AMS-KL HOCHIKI

    HOCHIKI
    Original price $102.78
    Original price $102.78 - Original price $102.78
    Original price $102.78
    Current price $87.37
    $87.37 - $87.37
    Current price $87.37

    SERIES ADDRESSABLE MANUAL PULL STATIONS - SINGLE ACTION KEY LOCK

    Original price $102.78
    Original price $102.78 - Original price $102.78
    Original price $102.78
    Current price $87.37
    $87.37 - $87.37
    Current price $87.37
    Save $15.41 Save $0.00
  • DCP-AMS-KL-LP HOCHIKI

    HOCHIKI
    Original price $103.46
    Original price $103.46 - Original price $103.46
    Original price $103.46
    Current price $87.94
    $87.94 - $87.94
    Current price $87.94

    DUAL ACTION WITH KEY LOCK ADDRESSABLE MANUAL PULL STATION

    Original price $103.46
    Original price $103.46 - Original price $103.46
    Original price $103.46
    Current price $87.94
    $87.94 - $87.94
    Current price $87.94
    Save $15.52 Save $0.00
  • DCP-AMS-LP HOCHIKI

    HOCHIKI
    Original price $96.25
    Original price $96.25 - Original price $96.25
    Original price $96.25
    Current price $81.82
    $81.82 - $81.82
    Current price $81.82

    DUAL ACTION ADDRESSABLE MANUAL PULL STATION

    Original price $96.25
    Original price $96.25 - Original price $96.25
    Original price $96.25
    Current price $81.82
    $81.82 - $81.82
    Current price $81.82
    Save $14.43 Save $0.00
  • DCP-CLIM-1 HOCHIKI

    HOCHIKI
    Original price $62.65
    Original price $62.65 - Original price $62.65
    Original price $62.65
    Current price $53.26
    $53.26 - $53.26
    Current price $53.26

    CURRENT LOOP INPUT MODULE, SINGLE INPUT

    Original price $62.65
    Original price $62.65 - Original price $62.65
    Original price $62.65
    Current price $53.26
    $53.26 - $53.26
    Current price $53.26
    Save $9.39 Save $0.00
  • DCT-1E SIEMENS

    SIEMENS
    Original price $463.38
    Original price $463.38 - Original price $463.38
    Original price $463.38
    Current price $393.87
    $393.87 - $393.87
    Current price $393.87

    5 CHANNEL DIALER WITH ENCLOSURE (Part# 500-699290)

    Original price $463.38
    Original price $463.38 - Original price $463.38
    Original price $463.38
    Current price $393.87
    $393.87 - $393.87
    Current price $393.87
    Save $69.51 Save $0.00
  • DECAL-W 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

    WHITE DECALS FOR SPECTRALERT ADVANCE WALL PRODUCTS, 5 SETS OF 2 (10 TOTAL)

    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
  • DF-50 SILENT KNIGHT

    SILENT KNIGHT
    Original price $49.32
    Original price $49.32 - Original price $49.32
    Original price $49.32
    Current price $43.41
    $43.41 - $43.41
    Current price $43.41

    DEADFRONT ACCESSORY FOR 5700

    Original price $49.32
    Original price $49.32 - Original price $49.32
    Original price $49.32
    Current price $43.41
    $43.41 - $43.41
    Current price $43.41
    Save $5.91 Save $0.00
  • DFE-135 HOCHIKI

    HOCHIKI
    Original price $17.04
    Original price $17.04 - Original price $17.04
    Original price $17.04
    Current price $14.49
    $14.49 - $14.49
    Current price $14.49

    HEAT DETECTOR 135 DEGREE FIXED TEMPERATURE (USE HSC SERIES BASE)

    Original price $17.04
    Original price $17.04 - Original price $17.04
    Original price $17.04
    Current price $14.49
    $14.49 - $14.49
    Current price $14.49
    Save $2.55 Save $0.00
  • DFE-190 HOCHIKI

    HOCHIKI
    Original price $18.25
    Original price $18.25 - Original price $18.25
    Original price $18.25
    Current price $15.51
    $15.51 - $15.51
    Current price $15.51

    190 DEGREE, FIXED TEMP. HEAT DETECTOR (USE HSC220L BASE)

    Original price $18.25
    Original price $18.25 - Original price $18.25
    Original price $18.25
    Current price $15.51
    $15.51 - $15.51
    Current price $15.51
    Save $2.74 Save $0.00
  • DH-100-A HOCHIKI

    HOCHIKI
    Original price $228.82
    Original price $228.82 - Original price $228.82
    Original price $228.82
    Current price $194.49
    $194.49 - $194.49
    Current price $194.49

    Addressable Duct Detector

    Original price $228.82
    Original price $228.82 - Original price $228.82
    Original price $228.82
    Current price $194.49
    $194.49 - $194.49
    Current price $194.49
    Save $34.33 Save $0.00
  • DH-100-P HOCHIKI

    HOCHIKI
    Original price $225.34
    Original price $225.34 - Original price $225.34
    Original price $225.34
    Current price $191.54
    $191.54 - $191.54
    Current price $191.54

    DH-100-P CONVENTIONAL DUCT DETECTOR

    Original price $225.34
    Original price $225.34 - Original price $225.34
    Original price $225.34
    Current price $191.54
    $191.54 - $191.54
    Current price $191.54
    Save $33.80 Save $0.00
  • DH1224SPC RSG

    RSG
    Original price $97.77
    Original price $97.77 - Original price $97.77
    Original price $97.77
    Current price $83.11
    $83.11 - $83.11
    Current price $83.11

    12/24 V, SURFACE MT, CHROME

    Original price $97.77
    Original price $97.77 - Original price $97.77
    Original price $97.77
    Current price $83.11
    $83.11 - $83.11
    Current price $83.11
    Save $14.66 Save $0.00
  • DH24120SPC RSG

    RSG
    Original price $93.48
    Original price $93.48 - Original price $93.48
    Original price $93.48
    Current price $79.46
    $79.46 - $79.46
    Current price $79.46

    DR HLDR,SURF MNT,CHRM

    Original price $93.48
    Original price $93.48 - Original price $93.48
    Original price $93.48
    Current price $79.46
    $79.46 - $79.46
    Current price $79.46
    Save $14.02 Save $0.00
  • DHBBPC RSG

    RSG
    Original price $17.91
    Original price $17.91 - Original price $17.91
    Original price $17.91
    Current price $15.23
    $15.23 - $15.23
    Current price $15.23

    SURFACE MOUNT BACK BOX, POWDER COATED, CHROME

    Original price $17.91
    Original price $17.91 - Original price $17.91
    Original price $17.91
    Current price $15.23
    $15.23 - $15.23
    Current price $15.23
    Save $2.68 Save $0.00
  • DIMM HOCHIKI

    HOCHIKI
    Original price $120.30
    Original price $120.30 - Original price $120.30
    Original price $120.30
    Current price $102.25
    $102.25 - $102.25
    Current price $102.25

    DUAL INPUT MONITOR MODULE FOR 4" BOX, CLASS B

    Original price $120.30
    Original price $120.30 - Original price $120.30
    Original price $120.30
    Current price $102.25
    $102.25 - $102.25
    Current price $102.25
    Save $18.05 Save $0.00
  • DP-2 FIRE-LITE

    FIRE-LITE
    Original price $108.77
    Original price $108.77 - Original price $108.77
    Original price $108.77
    Current price $95.71
    $95.71 - $95.71
    Current price $95.71

    411UDAC INTERNAL DRESS PANEL REQUIRED FOR CANADIAN APPLICATIONS

    Original price $108.77
    Original price $108.77 - Original price $108.77
    Original price $108.77
    Current price $95.71
    $95.71 - $95.71
    Current price $95.71
    Save $13.06 Save $0.00
  • DPU SIEMENS

    SIEMENS
    Original price $1,480.30
    Original price $1,480.30 - Original price $1,480.30
    Original price $1,480.30
    Current price $1,258.25
    $1,258.25 - $1,258.25
    Current price $1,258.25

    Device Programmer/Loop Tester (Part# 500-033260)

    Original price $1,480.30
    Original price $1,480.30 - Original price $1,480.30
    Original price $1,480.30
    Current price $1,258.25
    $1,258.25 - $1,258.25
    Current price $1,258.25
    Save $222.05 Save $0.00
  • DPU-C1 SIEMENS

    SIEMENS
    Original price $230.53
    Original price $230.53 - Original price $230.53
    Original price $230.53
    Current price $195.95
    $195.95 - $195.95
    Current price $195.95

    DPU Carrying Case (Part# 500-033990)

    Original price $230.53
    Original price $230.53 - Original price $230.53
    Original price $230.53
    Current price $195.95
    $195.95 - $195.95
    Current price $195.95
    Save $34.58 Save $0.00
  • DPU-PROG SIEMENS

    SIEMENS
    Original price $151.41
    Original price $151.41 - Original price $151.41
    Original price $151.41
    Current price $128.70
    $128.70 - $128.70
    Current price $128.70

    Dpu-Prog Cbl Programming Cable

    Original price $151.41
    Original price $151.41 - Original price $151.41
    Original price $151.41
    Current price $128.70
    $128.70 - $128.70
    Current price $128.70
    Save $22.71 Save $0.00
  • DRV-50 POTTER

    POTTER
    Original price $525.54
    Original price $525.54 - Original price $525.54
    Original price $525.54
    Current price $446.72
    $446.72 - $446.72
    Current price $446.72

    LED Driver Module

    Original price $525.54
    Original price $525.54 - Original price $525.54
    Original price $525.54
    Current price $446.72
    $446.72 - $446.72
    Current price $446.72
    Save $78.82 Save $0.00
  • DSC-EA HOCHIKI

    HOCHIKI
    Original price $17.04
    Original price $17.04 - Original price $17.04
    Original price $17.04
    Current price $14.49
    $14.49 - $14.49
    Current price $14.49

    RATE OF RISE HEAT DETECTOR

    Original price $17.04
    Original price $17.04 - Original price $17.04
    Original price $17.04
    Current price $14.49
    $14.49 - $14.49
    Current price $14.49
    Save $2.55 Save $0.00
  • DSM-12/24-R WHEELOCK

    WHEELOCK
    Original price $104.42
    Original price $104.42 - Original price $104.42
    Original price $104.42
    Current price $88.76
    $88.76 - $88.76
    Current price $88.76

    SYNC MODULE,2 CLASS "B" OR 1 CLASS "A" CIRCUIT,RD

    Original price $104.42
    Original price $104.42 - Original price $104.42
    Original price $104.42
    Current price $88.76
    $88.76 - $88.76
    Current price $88.76
    Save $15.66 Save $0.00
  • DST1 SYSTEM SENSOR

    SYSTEM SENSOR
    Original price $13.11
    Original price $13.11 - Original price $13.11
    Original price $13.11
    Current price $11.54
    $11.54 - $11.54
    Current price $11.54

    INNOVAIRFLEX SAMPLING TUBE, STEEL, 1’ WITH HOLES

    Original price $13.11
    Original price $13.11 - Original price $13.11
    Original price $13.11
    Current price $11.54
    $11.54 - $11.54
    Current price $11.54
    Save $1.57 Save $0.00
  • DST1.5 SYSTEM SENSOR

    SYSTEM SENSOR
    Original price $15.74
    Original price $15.74 - Original price $15.74
    Original price $15.74
    Current price $13.85
    $13.85 - $13.85
    Current price $13.85

    1.5' DUCT DETECTOR SAMPLING TUBE

    Original price $15.74
    Original price $15.74 - Original price $15.74
    Original price $15.74
    Current price $13.85
    $13.85 - $13.85
    Current price $13.85
    Save $1.89 Save $0.00
  • DST10 SYSTEM SENSOR

    SYSTEM SENSOR
    Original price $50.77
    Original price $50.77 - Original price $50.77
    Original price $50.77
    Current price $44.68
    $44.68 - $44.68
    Current price $44.68

    10' METAL SAMPLING TUBE DUCT

    Original price $50.77
    Original price $50.77 - Original price $50.77
    Original price $50.77
    Current price $44.68
    $44.68 - $44.68
    Current price $44.68
    Save $6.09 Save $0.00
  • DT-325EP SIEMENS

    SIEMENS
    Original price $442.77
    Original price $442.77 - Original price $442.77
    Original price $442.77
    Current price $376.36
    $376.36 - $376.36
    Current price $376.36

    325 Deg Exp Proof Thermal..500-688982

    Original price $442.77
    Original price $442.77 - Original price $442.77
    Original price $442.77
    Current price $376.36
    $376.36 - $376.36
    Current price $376.36
    Save $66.41 Save $0.00
  • DT8035V RESIDEO

    RESIDEO
    Original price $69.21
    Original price $69.21 - Original price $69.21
    Original price $69.21
    Current price $58.82
    $58.82 - $58.82
    Current price $58.82

    DT8035,DUAL TEC,35FT,G2, US

    Original price $69.21
    Original price $69.21 - Original price $69.21
    Original price $69.21
    Current price $58.82
    $58.82 - $58.82
    Current price $58.82
    Save $10.39 Save $0.00
  • DT8050V RESIDEO

    RESIDEO
    Original price $91.63
    Original price $91.63 - Original price $91.63
    Original price $91.63
    Current price $77.88
    $77.88 - $77.88
    Current price $77.88

    DT8050V,DUAL-TEC,50',X-BAND,10

    Original price $91.63
    Original price $91.63 - Original price $91.63
    Original price $91.63
    Current price $77.88
    $77.88 - $77.88
    Current price $77.88
    Save $13.75 Save $0.00
  • DTK-120/240CM+ DITEK

    DITEK
    Sign in for pricing

    120/240 VAC, Parallel Protector, 2W(+G), UL1449 Listed SPD Type 1

    Sign in for pricing
    Save $13.56 Save $0.00
  • DTK-120/240HD DITEK

    DITEK
    Sign in for pricing

    120/240 VAC Split Phase, 3W(+G), 50kA, SPD Type 1 & 2, UL1449 Listed

    Sign in for pricing
    Save $43.90 Save $0.00
  • DTK-120/240HW DITEK

    DITEK
    Sign in for pricing

    120/240 VAC, Parallel Protector, 3W(+G), UL1449 Listed SPD Type 1

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  • DTK-120HW DITEK

    DITEK
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    120VAC, 20A Parallel Protector UL1449 Listed SPD Type 1

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    Save $13.08 Save $0.00