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  • SPXCDXSRXSS HONEYWELL

    HONEYWELL
    Original price $2,077.13
    Original price $2,077.13 - Original price $2,077.13
    Original price $2,077.13
    Current price $1,694.59
    $1,694.59 - $1,694.59
    Current price $1,694.59

    Replacement sensor Cartridge for Methane IR 0-100%LEL (20,0 to 100.0%LEL, 10%LEL)

    Original price $2,077.13
    Original price $2,077.13 - Original price $2,077.13
    Original price $2,077.13
    Current price $1,694.59
    $1,694.59 - $1,694.59
    Current price $1,694.59
    Sold out
  • SR GENTEX

    GENTEX
    Original price $115.23 - Original price $115.23
    Original price
    $115.23
    $115.23 - $115.23
    Current price $115.23

    Single/Multiple Station Smoke Alarm, Temporal 3 Audible Signal, Form A/C Relay Contacts

    Original price $115.23 - Original price $115.23
    Original price
    $115.23
    $115.23 - $115.23
    Current price $115.23
  • SR-502 PROTECTOWIRE

    PROTECTOWIRE
    Original price $26.67 - Original price $26.67
    Original price
    $26.67
    $26.67 - $26.67
    Current price $26.67

    PROTECTOWIRE STRAIN RELIEF CONNECTOR

    Original price $26.67 - Original price $26.67
    Original price
    $26.67
    $26.67 - $26.67
    Current price $26.67
    Sold out
  • SR01V SPACE AGE

    SPACE AGE
    Original price $812.71 - Original price $812.71
    Original price
    $812.71
    $812.71 - $812.71
    Current price $812.71

    SHIELD SEMI-FLUSH REMOTE COMMUNICATION STATION, SILVER 7.25X8.5

    Original price $812.71 - Original price $812.71
    Original price
    $812.71
    $812.71 - $812.71
    Current price $812.71
    Sold out
  • SR02V SPACE AGE

    SPACE AGE
    Original price $812.71 - Original price $812.71
    Original price
    $812.71
    $812.71 - $812.71
    Current price $812.71

    SHIELD SURFACE REMOTE COVER ASSY SILVER 7.25X8.5

    Original price $812.71 - Original price $812.71
    Original price
    $812.71
    $812.71 - $812.71
    Current price $812.71
    Sold out
  • SRBV SPACE AGE

    SPACE AGE
    Original price $90.10 - Original price $90.10
    Original price
    $90.10
    $90.10 - $90.10
    Current price $90.10

    SHIELD ECOM REMOTE ENCLOSURE BACK BOX, FOR SEMI FLUSH, SILVER 8.4"X7.2"X3.5

    Original price $90.10 - Original price $90.10
    Original price
    $90.10
    $90.10 - $90.10
    Current price $90.10
    Sold out
  • SRLBV SPACE AGE

    SPACE AGE
    Original price $90.10 - Original price $90.10
    Original price
    $90.10
    $90.10 - $90.10
    Current price $90.10

    SHIELD ECOM REMOTE ENCLOSURE BACK BOX, FOR SURFACE, SILVER 8"X7.2"X2.75"

    Original price $90.10 - Original price $90.10
    Original price
    $90.10
    $90.10 - $90.10
    Current price $90.10
    Sold out
  • SRLED-P SYSTEM SENSOR

    SYSTEM SENSOR
    Original price $52.82 - Original price $52.82
    Original price
    $52.82
    $52.82 - $52.82
    Current price $52.82

    Product Overview The System Sensor L-Series LED strobes are rich with features that increase application versatility, simplify installation, and ma...

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    Original price $52.82 - Original price $52.82
    Original price
    $52.82
    $52.82 - $52.82
    Current price $52.82
  • SRP-4X4 PROTECTOWIRE

    PROTECTOWIRE
    Original price $2,546.63 - Original price $2,546.63
    Original price
    $2,546.63
    $2,546.63 - $2,546.63
    Current price $2,546.63

    Fire Alarm/Releasing Control Panel

    Original price $2,546.63 - Original price $2,546.63
    Original price
    $2,546.63
    $2,546.63 - $2,546.63
    Current price $2,546.63
    Sold out
  • SRP-4X4M PROTECTOWIRE

    PROTECTOWIRE
    Original price $4,599.94 - Original price $4,599.94
    Original price
    $4,599.94
    $4,599.94 - $4,599.94
    Current price $4,599.94

    PROTECTOWIRE 4ZN FIRE ALARM/ RELEASING C

    Original price $4,599.94 - Original price $4,599.94
    Original price
    $4,599.94
    $4,599.94 - $4,599.94
    Current price $4,599.94
    Sold out
  • SS-2004 SECUTRON

    SECUTRON
    Original price $159.01 - Original price $159.01
    Original price
    $159.01
    $159.01 - $159.01
    Current price $159.01

    Momentary mushroom switch abort station, stainless steel backplate N.O. or N.C. SPST gold plated contact blocks rated for 3 amps @600VAC or 1 amp @...

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    Original price $159.01 - Original price $159.01
    Original price
    $159.01
    $159.01 - $159.01
    Current price $159.01
    Sold out
  • SS-CO SYSTEM SENSOR

    SYSTEM SENSOR
    Original price $150.33 - Original price $150.33
    Original price
    $150.33
    $150.33 - $150.33
    Current price $150.33

    Product Overview The System Sensor SS-Series detectors are intelligent (addressable) devices with point ID capability, allowing each detector addre...

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    Original price $150.33 - Original price $150.33
    Original price
    $150.33
    $150.33 - $150.33
    Current price $150.33
    Sold out
  • SS-FIRE-CO SYSTEM SENSOR

    SYSTEM SENSOR
    Original price $280.45
    Original price $280.45 - Original price $280.45
    Original price $280.45
    Current price $179.44
    $179.44 - $179.44
    Current price $179.44

    Product Overview SS-Series smoke detectors are intelligent (addressable) devices with point ID capability, allowing each detector address to be set...

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    Original price $280.45
    Original price $280.45 - Original price $280.45
    Original price $280.45
    Current price $179.44
    $179.44 - $179.44
    Current price $179.44
    Sold out
  • SS-HEAT SYSTEM SENSOR

    SYSTEM SENSOR
    Original price $47.12 - Original price $47.12
    Original price
    $47.12
    $47.12 - $47.12
    Current price $47.12

    Product Overview The System Sensor SS-Series intelligent detectors combine photoelectric and thermal sensing with built-in communication, allowing ...

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    Original price $47.12 - Original price $47.12
    Original price
    $47.12
    $47.12 - $47.12
    Current price $47.12
  • SS-PHOTO SYSTEM SENSOR

    SYSTEM SENSOR
    Original price $54.65 - Original price $54.65
    Original price
    $54.65
    $54.65 - $54.65
    Current price $54.65

    Product Overview The System Sensor SS-PHOTO is a photoelectric smoke detector featuring a redesigned optical chamber optimized to detect smoke from...

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    Original price $54.65 - Original price $54.65
    Original price
    $54.65
    $54.65 - $54.65
    Current price $54.65
  • SS-PHOTO-CO SYSTEM SENSOR

    SYSTEM SENSOR
    Original price $165.17 - Original price $165.17
    Original price
    $165.17
    $165.17 - $165.17
    Current price $165.17

    Product Overview The System Sensor SS-PHOTO-CO is an intelligent multi-criteria detector that combines photoelectric smoke sensing with carbon mono...

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    Original price $165.17 - Original price $165.17
    Original price
    $165.17
    $165.17 - $165.17
    Current price $165.17
    Sold out
  • SS2001EM-EN STI

    STI
    Original price $80.32 - Original price $80.32
    Original price
    $80.32
    $80.32 - $80.32
    Current price $80.32

    "Key-to-Reset ; Turn-to-Reset ; Key-to-Activate ; Momentary" - RED ; EMERGENCY

    Original price $80.32 - Original price $80.32
    Original price
    $80.32
    $80.32 - $80.32
    Current price $80.32
  • SS2079PO-EN STI

    STI
    Original price $146.81 - Original price $146.81
    Original price
    $146.81
    $146.81 - $146.81
    Current price $146.81

    "Key-to-Reset Illuminated ; Momentary Illuminated ; Turn-to-Reset Illuminated" ; RED ; EMERGENCY POWER OFF

    Original price $146.81 - Original price $146.81
    Original price
    $146.81
    $146.81 - $146.81
    Current price $146.81
    Sold out
  • SS2104AB-EN STI

    STI
    Original price $80.32 - Original price $80.32
    Original price
    $80.32
    $80.32 - $80.32
    Current price $80.32

    "Key-to-Reset ; Turn-to-Reset ; Key-to-Activate ; Momentary" ; GREEN ; ABORT

    Original price $80.32 - Original price $80.32
    Original price
    $80.32
    $80.32 - $80.32
    Current price $80.32
  • SS2188EX-EN STI

    STI
    Original price $367.77 - Original price $367.77
    Original price
    $367.77
    $367.77 - $367.77
    Current price $367.77

    Pneumatic Illuminated ; GREEN ; EMERG EXIT

    Original price $367.77 - Original price $367.77
    Original price
    $367.77
    $367.77 - $367.77
    Current price $367.77
  • SS2206AB-EN STI

    STI
    Original price $73.40 - Original price $73.40
    Original price
    $73.40
    $73.40 - $73.40
    Current price $73.40

    Momentary Illuminated (Button) ; YELLOW ; ABORT

    Original price $73.40 - Original price $73.40
    Original price
    $73.40
    $73.40 - $73.40
    Current price $73.40
    Sold out
  • SS2209NT-EN STI

    STI
    Original price $75.69 - Original price $75.69
    Original price
    $75.69
    $75.69 - $75.69
    Current price $75.69

    "Key-to-Reset Illuminated ; Momentary Illuminated ; Turn-to-Reset Illuminated" ; YELLOW ; NO TEXT

    Original price $75.69 - Original price $75.69
    Original price
    $75.69
    $75.69 - $75.69
    Current price $75.69
  • SS2221ZA-EN STI

    STI
    Original price $99.79 - Original price $99.79
    Original price
    $99.79
    $99.79 - $99.79
    Current price $99.79

    Key-to-Reset ; Turn-to-Reset ; Key-to-Activate ; Momentary ; yellow

    Original price $99.79 - Original price $99.79
    Original price
    $99.79
    $99.79 - $99.79
    Current price $99.79
    Sold out
  • SS2241ES-EN STI

    STI
    Original price $175.48 - Original price $175.48
    Original price
    $175.48
    $175.48 - $175.48
    Current price $175.48

    "Key-to-Reset ; Turn-to-Reset ; Key-to-Activate ; Momentary" - YELLOW ; EMERGENCY STOP

    Original price $175.48 - Original price $175.48
    Original price
    $175.48
    $175.48 - $175.48
    Current price $175.48
    Sold out
  • SS2279NT-EN STI

    STI
    Original price $146.81 - Original price $146.81
    Original price
    $146.81
    $146.81 - $146.81
    Current price $146.81

    "Key-to-Reset Illuminated ; Momentary Illuminated ; Turn-to-Reset Illuminated" ; YELLOW ; NO TEXT

    Original price $146.81 - Original price $146.81
    Original price
    $146.81
    $146.81 - $146.81
    Current price $146.81
  • SS2279PO-EN STI

    STI
    Original price $146.81 - Original price $146.81
    Original price
    $146.81
    $146.81 - $146.81
    Current price $146.81

    "Key-to-Reset Illuminated ; Momentary Illuminated ; Turn-to-Reset Illuminated" ' YELLOW ; EMERGENCY POWER OFF

    Original price $146.81 - Original price $146.81
    Original price
    $146.81
    $146.81 - $146.81
    Current price $146.81
    Sold out
  • SS2302PO-EN STI

    STI
    Original price $75.69 - Original price $75.69
    Original price
    $75.69
    $75.69 - $75.69
    Current price $75.69

    "Key-to-Reset Illuminated ; Momentary Illuminated ; Turn-to-Reset Illuminated" ; WHITE ; EMERGENCY POWER OFF

    Original price $75.69 - Original price $75.69
    Original price
    $75.69
    $75.69 - $75.69
    Current price $75.69
  • SS2373AB-EN STI

    STI
    Original price $151.42 - Original price $151.42
    Original price
    $151.42
    $151.42 - $151.42
    Current price $151.42

    "Key-to-Reset ; Turn-to-Reset ; Key-to-Activate ; Momentary ; WHITE ; ABORT

    Original price $151.42 - Original price $151.42
    Original price
    $151.42
    $151.42 - $151.42
    Current price $151.42
    Sold out
  • SS2409NT-EN STI

    STI
    Original price $75.69 - Original price $75.69
    Original price
    $75.69
    $75.69 - $75.69
    Current price $75.69

    "Key-to-Reset Illuminated ; Momentary Illuminated ; Turn-to-Reset Illuminated" ; BLUE ; NO TEXT

    Original price $75.69 - Original price $75.69
    Original price
    $75.69
    $75.69 - $75.69
    Current price $75.69
  • SS2425LD-EN STI

    STI
    Original price $84.87 - Original price $84.87
    Original price
    $84.87
    $84.87 - $84.87
    Current price $84.87

    "Key-to-Reset Illuminated ; Momentary Illuminated ; Turn-to-Reset Illuminated" ; BLUE ; LOCKDOWN

    Original price $84.87 - Original price $84.87
    Original price
    $84.87
    $84.87 - $84.87
    Current price $84.87
    Sold out
  • SS2429LD-EN STI

    STI
    Original price $84.87 - Original price $84.87
    Original price
    $84.87
    $84.87 - $84.87
    Current price $84.87

    "Key-to-Reset Illuminated ; Momentary Illuminated ; Turn-to-Reset Illuminated" ; BLUE ; LOCKDOWN

    Original price $84.87 - Original price $84.87
    Original price
    $84.87
    $84.87 - $84.87
    Current price $84.87
    Sold out
  • SS2479NT-EN STI

    STI
    Original price $146.81 - Original price $146.81
    Original price
    $146.81
    $146.81 - $146.81
    Current price $146.81

    "Key-to-Reset Illuminated ; Momentary Illuminated ; Turn-to-Reset Illuminated"; BLUE ; NO TEXT

    Original price $146.81 - Original price $146.81
    Original price
    $146.81
    $146.81 - $146.81
    Current price $146.81
  • SSD-C SIEMENS

    SIEMENS
    Original price $1,346.89 - Original price $1,346.89
    Original price
    $1,346.89
    $1,346.89 - $1,346.89
    Current price $1,346.89

    Lcd Display Module (Part# 500-648733)

    Original price $1,346.89 - Original price $1,346.89
    Original price
    $1,346.89
    $1,346.89 - $1,346.89
    Current price $1,346.89
    Sold out
  • SSPK24CLPAW GENTEX

    GENTEX
    Original price $95.74
    Original price $95.74 - Original price $95.74
    Original price $95.74
    Current price $95.72
    $95.72 - $95.72
    Current price $95.72
    DISCONTINUED

    (904-1453-002) Speaker/Strobe, 25 or 70.7 VRMS, Selectable Candela, Ceiling Mount, ALERT Text, White Faceplate

    Original price $95.74
    Original price $95.74 - Original price $95.74
    Original price $95.74
    Current price $95.72
    $95.72 - $95.72
    Current price $95.72
    Save $0.02 Save $0.00
  • SSPK24CLPW GENTEX

    GENTEX
    Original price $95.75 - Original price $95.75
    Original price
    $95.75
    $95.75 - $95.75
    Current price $95.75
    DISCONTINUED

    Speaker/Strobe, 25 or 70.7 VRMS, Selectable Candela, Ceiling Mount, FIRE Text, White Faceplate

    Original price $95.75 - Original price $95.75
    Original price
    $95.75
    $95.75 - $95.75
    Current price $95.75
  • SSPK24WLPR GENTEX

    GENTEX
    Original price $92.04
    Original price $92.04 - Original price $92.04
    Original price $92.04
    Current price $92.03
    $92.03 - $92.03
    Current price $92.03
    DISCONTINUED

    Speaker/Strobe, 25 or 70.7 VRMS, Selectable Candela, Wall Mount, FIRE Text, Red Faceplate

    Original price $92.04
    Original price $92.04 - Original price $92.04
    Original price $92.04
    Current price $92.03
    $92.03 - $92.03
    Current price $92.03
    Save $0.01 Save $0.00
  • SSU-55000-335DCT SPACE AGE

    SPACE AGE
    Original price $110.72 - Original price $110.72
    Original price
    $110.72
    $110.72 - $110.72
    Current price $110.72

    Duct Smoke Detector Replacement Head

    Original price $110.72 - Original price $110.72
    Original price
    $110.72
    $110.72 - $110.72
    Current price $110.72
    Sold out
  • SSU-7-CO SPACE AGE

    SPACE AGE
    Original price $249.01
    Original price $249.01 - Original price $249.01
    Original price $249.01
    Current price $249.00
    $249.00 - $249.00
    Current price $249.00

    CO REPLACEMENT FOR SL-701-KIT

    Original price $249.01
    Original price $249.01 - Original price $249.01
    Original price $249.01
    Current price $249.00
    $249.00 - $249.00
    Current price $249.00
    Save $0.01 Save $0.00
  • SSU-HS-100-N SPACE AGE

    SPACE AGE
    Original price $198.88
    Original price $198.88 - Original price $198.88
    Original price $198.88
    Current price $198.87
    $198.87 - $198.87
    Current price $198.87

    PLENUM SMOKE DETECTORION 230VAC 115VAC 24VAC/24 UL

    Original price $198.88
    Original price $198.88 - Original price $198.88
    Original price $198.88
    Current price $198.87
    $198.87 - $198.87
    Current price $198.87
    Save $0.01 Save $0.00
  • SSU-HS-100-P SPACE AGE

    SPACE AGE
    Original price $181.21
    Original price $181.21 - Original price $181.21
    Original price $181.21
    Current price $181.20
    $181.20 - $181.20
    Current price $181.20

    PLENUM SMOKE DETECTOR PHOTO 230VAC 115VAC 24VAC/DC UL

    Original price $181.21
    Original price $181.21 - Original price $181.21
    Original price $181.21
    Current price $181.20
    $181.20 - $181.20
    Current price $181.20
    Save $0.01 Save $0.00
  • SSU-MR-101/C SPACE AGE

    SPACE AGE
    Original price $40.57
    Original price $40.57 - Original price $40.57
    Original price $40.57
    Current price $33.63
    $33.63 - $33.63
    Current price $33.63

    RELAY CAB GRY 18-32VDC 24VAC 120V/230VAC 10A SPDT POLAR. UL

    Original price $40.57
    Original price $40.57 - Original price $40.57
    Original price $40.57
    Current price $33.63
    $33.63 - $33.63
    Current price $33.63
    Save $6.94 Save $0.00
  • SSU-MR-199X-14C SPACE AGE

    SPACE AGE
    Original price $109.67 - Original price $109.67
    Original price
    $109.67
    $109.67 - $109.67
    Current price $109.67
    DISCONTINUED

    RELAY CABINET GREY 120VAC DPDT 30A 2HP

    Original price $109.67 - Original price $109.67
    Original price
    $109.67
    $109.67 - $109.67
    Current price $109.67
    Sold out
  • SSU-MR-608/T SPACE AGE

    SPACE AGE
    Original price $170.10
    Original price $170.10 - Original price $170.10
    Original price $170.10
    Current price $170.08
    $170.08 - $170.08
    Current price $170.08

    RELAY Q8 TRK 24VAC/DC 10A SPDT HOA SWITCH ULR

    Original price $170.10
    Original price $170.10 - Original price $170.10
    Original price $170.10
    Current price $170.08
    $170.08 - $170.08
    Current price $170.08
    Sold out
  • SSU-MR-8INTK SPACE AGE

    SPACE AGE
    Original price $11.63
    Original price $11.63 - Original price $11.63
    Original price $11.63
    Current price $4.69
    $4.69 - $4.69
    Current price $4.69

    TRACK 8 INCH LENGTH 4 SEC(SNAP TK-325 GREY PVC SNAP TRACK

    Original price $11.63
    Original price $11.63 - Original price $11.63
    Original price $11.63
    Current price $4.69
    $4.69 - $4.69
    Current price $4.69
    Save $6.94 Save $0.00
  • SSU-MS-F/T SPACE AGE

    SPACE AGE
    Original price $26.20
    Original price $26.20 - Original price $26.20
    Original price $26.20
    Current price $19.26
    $19.26 - $19.26
    Current price $19.26

    MS REMOTE TROUBLE LED (YELLOW) ST 1 GANG

    Original price $26.20
    Original price $26.20 - Original price $26.20
    Original price $26.20
    Current price $19.26
    $19.26 - $19.26
    Current price $19.26
    Save $6.94 Save $0.00
  • SSU-MS-KA/P/R SPACE AGE

    SPACE AGE
    Original price $67.74
    Original price $67.74 - Original price $67.74
    Original price $67.74
    Current price $60.79
    $60.79 - $60.79
    Current price $60.79

    MS REMOTE ALARM LED(RED) PILOT (GRN) KEY TEST RESET SST 1GANG

    Original price $67.74
    Original price $67.74 - Original price $67.74
    Original price $67.74
    Current price $60.79
    $60.79 - $60.79
    Current price $60.79
    Save $6.95 Save $0.00
  • SSU-MSR-100R/R SPACE AGE

    SPACE AGE
    Original price $167.67 - Original price $167.67
    Original price
    $167.67
    $167.67 - $167.67
    Current price $167.67

    MSR REMOTE ACCESSORY CNTRLR RED SINGLE GANG

    Original price $167.67 - Original price $167.67
    Original price
    $167.67
    $167.67 - $167.67
    Current price $167.67
  • SSU-MSR-100R/W SPACE AGE

    SPACE AGE
    Original price $140.29 - Original price $140.29
    Original price
    $140.29
    $140.29 - $140.29
    Current price $140.29

    MSR REMOTE ACCESSORY CNTRLR WHITE SINGLE GANG

    Original price $140.29 - Original price $140.29
    Original price
    $140.29
    $140.29 - $140.29
    Current price $140.29