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$269.97
Kidde Hardwired Smoke & Carbon Monoxide Detector, 10-Year Battery Backup, Voice Alerts, Interconnectable LED Warning Light Indicators, 4 Pack
Amazon.com
167
Free shipping
$269.97
Kidde Hardwired Smoke & Carbon Monoxide Detector, 10-Year Battery Backup, Voice Alerts, Interconnectable LED Warning Light Indicators, 4 Pack
Amazon.com
167
$250.29
ASD-PL2F HONEYWELL - Fire Safety & Smoke Detector Supplies
Radwell.com
5
$250.29
ASD-PL2F HONEYWELL - Fire Safety & Smoke Detector Supplies
Radwell.com
5
$83.00
D340 BOSCH - Fire Safety & Smoke Detector Supplies
Radwell.com
$83.00
D340 BOSCH - Fire Safety & Smoke Detector Supplies
Radwell.com
$162.00
D4120 HONEYWELL - Fire Safety & Smoke Detector Supplies
Radwell.com
1
$162.00
D4120 HONEYWELL - Fire Safety & Smoke Detector Supplies
Radwell.com
1
$61.51
First Alert Smoke Alarm, 10-Year Sealed Battery Dual Sensor Detector With Test & Silence Button, SM310, 1-Pack
Amazon.com
43
Free shipping
$61.51
First Alert Smoke Alarm, 10-Year Sealed Battery Dual Sensor Detector With Test & Silence Button, SM310, 1-Pack
Amazon.com
43
$106.00
$119.97
Kidde Smoke & Carbon Monoxide Detector, 10-Year Battery Powered, LED Warning Light Indicators, 2 Pack
Amazon.com
2K+
Free shipping
11% off
$106.00
$119.97
Kidde Smoke & Carbon Monoxide Detector, 10-Year Battery Powered, LED Warning Light Indicators, 2 Pack
Amazon.com
2K+
$141.99
$235.56
SYSTEM SENSOR System Sensor D4120 4-Wire Photoelectric Low-Flow Duct Smoke Detector 24VDC / 120VAC Replaces DH100ACDCLP
Voomi Supply
1
39% off
$141.99
$235.56
SYSTEM SENSOR System Sensor D4120 4-Wire Photoelectric Low-Flow Duct Smoke Detector 24VDC / 120VAC Replaces DH100ACDCLP
Voomi Supply
1
$22.98
USI Multi Function 10 Year Tamper Proof Battery Smoke / Fire Alarm With Sensing Plus AMIK3051SB-4P
Conservation Mart
$22.98
USI Multi Function 10 Year Tamper Proof Battery Smoke / Fire Alarm With Sensing Plus AMIK3051SB-4P
Conservation Mart
$211.09
System Sensor D4120W Duct Smoke Detector (24/120V), D4120W | Supplyhouse.Com
SupplyHouse.com
9
$211.09
System Sensor D4120W Duct Smoke Detector (24/120V), D4120W | Supplyhouse.Com
SupplyHouse.com
9
$208.00
FIRELITE HONEYWELL SD365-IV Intelligent Photoelectric Smoke Sensors
Keyless Access Locks
$208.00
FIRELITE HONEYWELL SD365-IV Intelligent Photoelectric Smoke Sensors
Keyless Access Locks
$137.01
System Sensor D4S 4-Wire Duct Smoke Detector, Photoelectric, Sensor Only, D4S | Supplyhouse.Com
SupplyHouse.com
1
$137.01
System Sensor D4S 4-Wire Duct Smoke Detector, Photoelectric, Sensor Only, D4S | Supplyhouse.Com
SupplyHouse.com
1
$235.80
SD-ST Edwards Four-Wire Smoke Sensor W/Terminals
Valin Process Control Solutions
$235.80
SD-ST Edwards Four-Wire Smoke Sensor W/Terminals
Valin Process Control Solutions
$4,891.72
Honeywell FS20X-211-21-2 Flame Sentry UV/Dual IR/VIS Fire And Flame Detector | Honeywell Industrial Safety
Kele Industrial Automation
$4,891.72
Honeywell FS20X-211-21-2 Flame Sentry UV/Dual IR/VIS Fire And Flame Detector | Honeywell Industrial Safety
Kele Industrial Automation
$74.40
System Sensor SS-PHOTO SS-Series Photoelectric Smoke Detector
BSA Security Integrators
$74.40
System Sensor SS-PHOTO SS-Series Photoelectric Smoke Detector
BSA Security Integrators
$142.71
System Sensor D4120 4-Wire Duct Smoke Detector, 4-Wire, Photoelectric, Low-Flow (24/120V), D4120 | Supplyhouse.Com
SupplyHouse.com
1
$142.71
System Sensor D4120 4-Wire Duct Smoke Detector, 4-Wire, Photoelectric, Low-Flow (24/120V), D4120 | Supplyhouse.Com
SupplyHouse.com
1
$67.85
System Sensor 2WTR-B Photoelectric Standard i3 Smoke Detector 135O Thermal Sensor Relay
BSA Security Integrators
$67.85
System Sensor 2WTR-B Photoelectric Standard i3 Smoke Detector 135O Thermal Sensor Relay
BSA Security Integrators
$135.67
6249B - Utc Fire & Security Company Smoke Detector Fire Safety (New)
Electrical.com
$135.67
6249B - Utc Fire & Security Company Smoke Detector Fire Safety (New)
Electrical.com
$152.99
SYSTEM SENSOR Duct Smoke Detector, Photoelectric, Universal, Air Velocity (FPM) 100 To 4000, 2 1/2 in Depth, D4120
Zoro.com
1
$152.99
SYSTEM SENSOR Duct Smoke Detector, Photoelectric, Universal, Air Velocity (FPM) 100 To 4000, 2 1/2 in Depth, D4120
Zoro.com
1
$101.95
ORB-OP-42001-MAR - Apollo Fire Detectors Smoke Detector Fire Safety (New)
Electrical.com
$101.95
ORB-OP-42001-MAR - Apollo Fire Detectors Smoke Detector Fire Safety (New)
Electrical.com
$554.79
Lennox 22H56 Single Sensor Smoke Detector Kit - Supply & Return Air Applications - Probes & Sensors
Parts Town
2
$554.79
Lennox 22H56 Single Sensor Smoke Detector Kit - Supply & Return Air Applications - Probes & Sensors
Parts Town
2
$61.80
Kidde 21033278, Smart Smoke Alarm, Detects Smoldering Fires, Photoelectric Sensor, Control And Notifications Through Kidde App,Compatible With Alexa
1000Bulbs.com
46
$61.80
Kidde 21033278, Smart Smoke Alarm, Detects Smoldering Fires, Photoelectric Sensor, Control And Notifications Through Kidde App,Compatible With Alexa
1000Bulbs.com
46
$2,073.89
EC5000R Edwards Smoke Detector
Valin Process Control Solutions
$2,073.89
EC5000R Edwards Smoke Detector
Valin Process Control Solutions
$255.21
SYSTEM SENSOR D2 2-Wire Photoelectric Duct Smoke Detector, Photoelectric Sensing, Early Smoke Detection
Voomi Supply
$255.21
SYSTEM SENSOR D2 2-Wire Photoelectric Duct Smoke Detector, Photoelectric Sensing, Early Smoke Detection
Voomi Supply
$76.08
System Sensor 2WTA-B Photoelectric Standard i3 Smoke Detector 135O Thermal Sensor Sounder
BSA Security Integrators
$76.08
System Sensor 2WTA-B Photoelectric Standard i3 Smoke Detector 135O Thermal Sensor Sounder
BSA Security Integrators
$60.79
SYSTEM SENSOR Smoke Alarm, 12/24V, Hardwired, 2-Wire, Photoelectric, Thermal Sensor, Includes Mounting Base, 2WT-B
Zoro.com
13
$60.79
SYSTEM SENSOR Smoke Alarm, 12/24V, Hardwired, 2-Wire, Photoelectric, Thermal Sensor, Includes Mounting Base, 2WT-B
Zoro.com
13
$1,501.32
Eagle Eye HGD-3000-DC Hydrogen Gas - Smoke Detector, HGD-3000DC
TEquipment
11% off
$1,501.32
Eagle Eye HGD-3000-DC Hydrogen Gas - Smoke Detector, HGD-3000DC
TEquipment
$104.02
Gentex Temporal Hardwired Photoelectric Smoke Alarm W/ Relay Contacts S1209F
DkHardware.com
10% Off*
$104.02
Gentex Temporal Hardwired Photoelectric Smoke Alarm W/ Relay Contacts S1209F
DkHardware.com
10% Off*
$120.67
2098-9641 - Tyco Smoke Detector Fire Safety (New)
Electrical.com
$120.67
2098-9641 - Tyco Smoke Detector Fire Safety (New)
Electrical.com
$19.88
BRK Electronics First Alert 9120B 120V AC/DC Hardwired With 9V Battery Backup Ionization Smoke Alarm (Upgraded To SMI100-AC)
Electric Bargain Store
5
$19.88
BRK Electronics First Alert 9120B 120V AC/DC Hardwired With 9V Battery Backup Ionization Smoke Alarm (Upgraded To SMI100-AC)
Electric Bargain Store
5
$29.88
Firex i4618 (21007581) AC Smoke Alarm With Battery Back-Up And False Alarm Control (Upgraded To SMACFEX-20-9003)
Electric Bargain Store
228
$29.88
Firex i4618 (21007581) AC Smoke Alarm With Battery Back-Up And False Alarm Control (Upgraded To SMACFEX-20-9003)
Electric Bargain Store
228
$12.98
BRK Electronics First Alert SA303B 9V DC Battery Operated Ionization Smoke Alarm (Upgraded To SMI100)
Electric Bargain Store
$12.98
BRK Electronics First Alert SA303B 9V DC Battery Operated Ionization Smoke Alarm (Upgraded To SMI100)
Electric Bargain Store
$326.01
Gentex S Series Strr Multi-Criteria Smoke Alarm W/Integral Thermal 2 Relays 917-0072-002
DkHardware.com
10% Off*
$326.01
Gentex S Series Strr Multi-Criteria Smoke Alarm W/Integral Thermal 2 Relays 917-0072-002
DkHardware.com
10% Off*
$181.08
$324.72
SYSTEM SENSOR D4120W Watertight 4-Wire Photoelectric Duct Smoke Detector, 24VDC/120VAC, Reliable Smoke Detection, Watertight Enclosure
Voomi Supply
9
44% off
$181.08
$324.72
SYSTEM SENSOR D4120W Watertight 4-Wire Photoelectric Duct Smoke Detector, 24VDC/120VAC, Reliable Smoke Detection, Watertight Enclosure
Voomi Supply
9
$260.02
Gentex S Series Model Sr220 - Multi-Criteria Smoke Alarm 917-0076-002
DkHardware.com
10% Off*
$260.02
Gentex S Series Model Sr220 - Multi-Criteria Smoke Alarm 917-0076-002
DkHardware.com
10% Off*
$39.99
BRK First Alert 10-Year Battery 2-In-1 Smoke & Carbon Monoxide Alarm SMICO110
Conservation Mart
$39.99
BRK First Alert 10-Year Battery 2-In-1 Smoke & Carbon Monoxide Alarm SMICO110
Conservation Mart
$625.79
Carrier Hvac Hk50zt001 Smoke Sensor - Photoelectric - Duct - Probes & Sensors
Parts Town
$625.79
Carrier Hvac Hk50zt001 Smoke Sensor - Photoelectric - Duct - Probes & Sensors
Parts Town
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    Shop fire smoke sensor

    Sponsored
    About our ads
    $269.97
    Kidde Hardwired Smoke & Carbon Monoxide Detector, 10-Year Battery Backup, Voice Alerts, Interconnectable LED Warning Light Indicators, 4 Pack
    Amazon.com
    167
    Free shipping
    $269.97
    Kidde Hardwired Smoke & Carbon Monoxide Detector, 10-Year Battery Backup, Voice Alerts, Interconnectable LED Warning Light Indicators, 4 Pack
    Amazon.com
    167
    $250.29
    ASD-PL2F HONEYWELL - Fire Safety & Smoke Detector Supplies
    Radwell.com
    5
    $250.29
    ASD-PL2F HONEYWELL - Fire Safety & Smoke Detector Supplies
    Radwell.com
    5
    $83.00
    D340 BOSCH - Fire Safety & Smoke Detector Supplies
    Radwell.com
    $83.00
    D340 BOSCH - Fire Safety & Smoke Detector Supplies
    Radwell.com
    $162.00
    D4120 HONEYWELL - Fire Safety & Smoke Detector Supplies
    Radwell.com
    1
    $162.00
    D4120 HONEYWELL - Fire Safety & Smoke Detector Supplies
    Radwell.com
    1
    $61.51
    First Alert Smoke Alarm, 10-Year Sealed Battery Dual Sensor Detector With Test & Silence Button, SM310, 1-Pack
    Amazon.com
    43
    Free shipping
    $61.51
    First Alert Smoke Alarm, 10-Year Sealed Battery Dual Sensor Detector With Test & Silence Button, SM310, 1-Pack
    Amazon.com
    43
    $106.00
    $119.97
    Kidde Smoke & Carbon Monoxide Detector, 10-Year Battery Powered, LED Warning Light Indicators, 2 Pack
    Amazon.com
    2K+
    Free shipping
    11% off
    $106.00
    $119.97
    Kidde Smoke & Carbon Monoxide Detector, 10-Year Battery Powered, LED Warning Light Indicators, 2 Pack
    Amazon.com
    2K+
    $141.99
    $235.56
    SYSTEM SENSOR System Sensor D4120 4-Wire Photoelectric Low-Flow Duct Smoke Detector 24VDC / 120VAC Replaces DH100ACDCLP
    Voomi Supply
    1
    39% off
    $141.99
    $235.56
    SYSTEM SENSOR System Sensor D4120 4-Wire Photoelectric Low-Flow Duct Smoke Detector 24VDC / 120VAC Replaces DH100ACDCLP
    Voomi Supply
    1
    $22.98
    USI Multi Function 10 Year Tamper Proof Battery Smoke / Fire Alarm With Sensing Plus AMIK3051SB-4P
    Conservation Mart
    $22.98
    USI Multi Function 10 Year Tamper Proof Battery Smoke / Fire Alarm With Sensing Plus AMIK3051SB-4P
    Conservation Mart
    $211.09
    System Sensor D4120W Duct Smoke Detector (24/120V), D4120W | Supplyhouse.Com
    SupplyHouse.com
    9
    $211.09
    System Sensor D4120W Duct Smoke Detector (24/120V), D4120W | Supplyhouse.Com
    SupplyHouse.com
    9
    $208.00
    FIRELITE HONEYWELL SD365-IV Intelligent Photoelectric Smoke Sensors
    Keyless Access Locks
    $208.00
    FIRELITE HONEYWELL SD365-IV Intelligent Photoelectric Smoke Sensors
    Keyless Access Locks
    $137.01
    System Sensor D4S 4-Wire Duct Smoke Detector, Photoelectric, Sensor Only, D4S | Supplyhouse.Com
    SupplyHouse.com
    1
    $137.01
    System Sensor D4S 4-Wire Duct Smoke Detector, Photoelectric, Sensor Only, D4S | Supplyhouse.Com
    SupplyHouse.com
    1
    $235.80
    SD-ST Edwards Four-Wire Smoke Sensor W/Terminals
    Valin Process Control Solutions
    $235.80
    SD-ST Edwards Four-Wire Smoke Sensor W/Terminals
    Valin Process Control Solutions
    $4,891.72
    Honeywell FS20X-211-21-2 Flame Sentry UV/Dual IR/VIS Fire And Flame Detector | Honeywell Industrial Safety
    Kele Industrial Automation
    $4,891.72
    Honeywell FS20X-211-21-2 Flame Sentry UV/Dual IR/VIS Fire And Flame Detector | Honeywell Industrial Safety
    Kele Industrial Automation
    $74.40
    System Sensor SS-PHOTO SS-Series Photoelectric Smoke Detector
    BSA Security Integrators
    $74.40
    System Sensor SS-PHOTO SS-Series Photoelectric Smoke Detector
    BSA Security Integrators
    $142.71
    System Sensor D4120 4-Wire Duct Smoke Detector, 4-Wire, Photoelectric, Low-Flow (24/120V), D4120 | Supplyhouse.Com
    SupplyHouse.com
    1
    $142.71
    System Sensor D4120 4-Wire Duct Smoke Detector, 4-Wire, Photoelectric, Low-Flow (24/120V), D4120 | Supplyhouse.Com
    SupplyHouse.com
    1
    $67.85
    System Sensor 2WTR-B Photoelectric Standard i3 Smoke Detector 135O Thermal Sensor Relay
    BSA Security Integrators
    $67.85
    System Sensor 2WTR-B Photoelectric Standard i3 Smoke Detector 135O Thermal Sensor Relay
    BSA Security Integrators
    $135.67
    6249B - Utc Fire & Security Company Smoke Detector Fire Safety (New)
    Electrical.com
    $135.67
    6249B - Utc Fire & Security Company Smoke Detector Fire Safety (New)
    Electrical.com
    $152.99
    SYSTEM SENSOR Duct Smoke Detector, Photoelectric, Universal, Air Velocity (FPM) 100 To 4000, 2 1/2 in Depth, D4120
    Zoro.com
    1
    $152.99
    SYSTEM SENSOR Duct Smoke Detector, Photoelectric, Universal, Air Velocity (FPM) 100 To 4000, 2 1/2 in Depth, D4120
    Zoro.com
    1