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$46.99
System Sensor 2W-B i3 Series 2-Wire, Photoelectric i3 Smoke Detector
Amazon.com
223
Free shipping
$46.99
System Sensor 2W-B i3 Series 2-Wire, Photoelectric i3 Smoke Detector
Amazon.com
223
$53.35
System Sensor 4WT-B 4-Wire, Photoelectric i3 Smoke Detector With A 135 Degree Fixed Thermal Sensor
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120
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System Sensor 4WT-B 4-Wire, Photoelectric i3 Smoke Detector With A 135 Degree Fixed Thermal Sensor
Amazon.com
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$76.95
System Sensor Smoke Alarm: Smoke, Hardwired, Smoke Detector, Photoelectric, Hardwired Model: 2W-B
Grainger
223
$76.95
System Sensor Smoke Alarm: Smoke, Hardwired, Smoke Detector, Photoelectric, Hardwired Model: 2W-B
Grainger
223
$214.05
System Sensor Duct Smoke Detector: 120V AC/24V AC/DC Volt, Sound Alert, Duct Mount, 5 in Overall Ht Model: D4120
Grainger
7
$214.05
System Sensor Duct Smoke Detector: 120V AC/24V AC/DC Volt, Sound Alert, Duct Mount, 5 in Overall Ht Model: D4120
Grainger
7
$69.99
System Sensor 2WTA-B Smoke Alarm With Sounder, Relay And Isolator Options Form C Relay Isolated Thermal Sensor Plug-In Design, Base Included
Amazon.com
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System Sensor 2WTA-B Smoke Alarm With Sounder, Relay And Isolator Options Form C Relay Isolated Thermal Sensor Plug-In Design, Base Included
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$78.86
SYSTEM SENSOR 4WTA-B 4WTAB 12/24 VDC, Photoelectric Smoke Detector With Thermal, Sounder, And Base
Amazon.com
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SYSTEM SENSOR 4WTA-B 4WTAB 12/24 VDC, Photoelectric Smoke Detector With Thermal, Sounder, And Base
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$59.99
System Sensor 2WT-B Photoelectric Smoke Detector With 135 Degree Thermal
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48
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$59.99
System Sensor 2WT-B Photoelectric Smoke Detector With 135 Degree Thermal
Amazon.com
48
$116.63
System Sensor Smoke Alarm: Smoke, Hardwired, Smoke Detector, Photoelectric, Hardwired, Round, 3 Yr Model: 4WTA-B
Grainger
4
$116.63
System Sensor Smoke Alarm: Smoke, Hardwired, Smoke Detector, Photoelectric, Hardwired, Round, 3 Yr Model: 4WTA-B
Grainger
4
$99.99
System Sensor Duct Smoke Detector: 120V/24V Volt, 65 Ma Current, Sound Alert, Duct Mount, Round Model: 2D51
Grainger
$99.99
System Sensor Duct Smoke Detector: 120V/24V Volt, 65 Ma Current, Sound Alert, Duct Mount, Round Model: 2D51
Grainger
$62.02
First Alert Smoke Alarm, 10-Year Sealed Battery Dual Sensor Detector With Test & Silence Button, SM310, 1-Pack
Amazon.com
2K+
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$62.02
First Alert Smoke Alarm, 10-Year Sealed Battery Dual Sensor Detector With Test & Silence Button, SM310, 1-Pack
Amazon.com
2K+
$42.42
System Sensor 2W-B Photoelectric i3 Smoke Detector, 2-Wire
JMAC
223
$42.42
System Sensor 2W-B Photoelectric i3 Smoke Detector, 2-Wire
JMAC
223
$19.99
BRK SMI100-AC Smoke Alarm - Hardwired With Ionization Sensor, Battery Backup, And Replaceable Battery
WholesaleHome
$19.99
BRK SMI100-AC Smoke Alarm - Hardwired With Ionization Sensor, Battery Backup, And Replaceable Battery
WholesaleHome
$119.99
SITERLINK Smoke Detectors 10 Year Battery Operated,UL217-9Th Listed Smoke Alarm With Test-Silence Button,Photoelectric Sensor Fire Alarms Smoke
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8
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$119.99
SITERLINK Smoke Detectors 10 Year Battery Operated,UL217-9Th Listed Smoke Alarm With Test-Silence Button,Photoelectric Sensor Fire Alarms Smoke
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8
$92.69
Ecoey Smoke Alarm Fire Detector, Battery Included Photoelectric Smoke Detector With Test Button And Low Battery Signal, Small Fire Alarm For Home,
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3K+
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$92.69
Ecoey Smoke Alarm Fire Detector, Battery Included Photoelectric Smoke Detector With Test Button And Low Battery Signal, Small Fire Alarm For Home,
Amazon.com
3K+
$44.97
Hardwired And 10-Year Battery Backup Smoke Detector With Photoelectric Sensor And Voice Alert
Home Depot
$44.97
Hardwired And 10-Year Battery Backup Smoke Detector With Photoelectric Sensor And Voice Alert
Home Depot
$35.99
LSHOME 4 Pack Smoke Detector Fire Alarms 9V Battery Operated Photoelectric Sensor Smoke Alarms Easy To Install With Light Sound Warning, Test Button
Amazon.com
61
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$35.99
LSHOME 4 Pack Smoke Detector Fire Alarms 9V Battery Operated Photoelectric Sensor Smoke Alarms Easy To Install With Light Sound Warning, Test Button
Amazon.com
61
$19.68
Fire Alarms Smoke Detectors, Carbon Monoxide Detectors/Smoke Alarm,Digital LCD Display, Battery Powered/Alarm/Fault Indicators,For Home
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10
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Fire Alarms Smoke Detectors, Carbon Monoxide Detectors/Smoke Alarm,Digital LCD Display, Battery Powered/Alarm/Fault Indicators,For Home
Amazon.com
10
$224.21
Lennox Y2269 System Sensor Kit - Duct Smoke Detector - Photoelctric - 100-4000Ft/Min - Probes & Sensors
Parts Town
$224.21
Lennox Y2269 System Sensor Kit - Duct Smoke Detector - Photoelctric - 100-4000Ft/Min - Probes & Sensors
Parts Town
$26.99
LSHOME Smoke Detector Fire Alarms 9V Battery Operated Photoelectric Sensor Smoke Alarms Easy To Install With Light Sound Warning, Test Button,9V
Amazon.com
5
$26.99
LSHOME Smoke Detector Fire Alarms 9V Battery Operated Photoelectric Sensor Smoke Alarms Easy To Install With Light Sound Warning, Test Button,9V
Amazon.com
5
$29.99
BRK SM100V-AC Smoke Alarm - Hardwired With Voice Alerts, Interconnectivity, And Replaceable Battery
WholesaleHome
$29.99
BRK SM100V-AC Smoke Alarm - Hardwired With Voice Alerts, Interconnectivity, And Replaceable Battery
WholesaleHome
$50.39
10 Years Battery Operated Smoke Detector, Fire Alarm With With Low Battery Warning, UL217 Listed Smoke Alarm,3 PACKS
Home Depot
7
Free shipping
$50.39
10 Years Battery Operated Smoke Detector, Fire Alarm With With Low Battery Warning, UL217 Listed Smoke Alarm,3 PACKS
Home Depot
7
$38.99
BRK SMICO100 Smoke & CO Alarm - Battery-Operated With Ionization And Electrochemical Sensors
WholesaleHome
79
$38.99
BRK SMICO100 Smoke & CO Alarm - Battery-Operated With Ionization And Electrochemical Sensors
WholesaleHome
79
$273.71
System Sensor Duct Smoke Detector: 120V AC/24V AC/DC Volt, 65 Ma @ 24V DC Current, Duct Mount Model: DUCTSD
Grainger
$273.71
System Sensor Duct Smoke Detector: 120V AC/24V AC/DC Volt, 65 Ma @ 24V DC Current, Duct Mount Model: DUCTSD
Grainger
$28.99
BRK SMI105-AC Smoke Alarm - Hardwired With Ionization Sensor And Battery Backup
WholesaleHome
$28.99
BRK SMI105-AC Smoke Alarm - Hardwired With Ionization Sensor And Battery Backup
WholesaleHome
$65.23
Smoke Detectors 10 Year Sealed Battery Operated,UL217-9Th Listed Smoke Alarm With Voice Alert,Photoelectric Sensor Fire Alarms Smoke Detectors With
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61
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Smoke Detectors 10 Year Sealed Battery Operated,UL217-9Th Listed Smoke Alarm With Voice Alert,Photoelectric Sensor Fire Alarms Smoke Detectors With
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61
$58.39
SITERWELL Smoke Detector, 10 Year Product Life Fire Alarm With Magnetic Fastening Kit, Smoke Alarm With Photoelectric Sensor And Low Battery Warning
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2
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SITERWELL Smoke Detector, 10 Year Product Life Fire Alarm With Magnetic Fastening Kit, Smoke Alarm With Photoelectric Sensor And Low Battery Warning
Amazon.com
2
$39.99
BRK SMCO210 Smoke & CO Alarm - Compact Lithium Battery-Powered Dual Sensor Protection
WholesaleHome
$39.99
BRK SMCO210 Smoke & CO Alarm - Compact Lithium Battery-Powered Dual Sensor Protection
WholesaleHome
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Simplisafe Wireless Smoke Detector - Compatible With The Simplisafe Home Security System - Latest Gen, Battery Powered
Amazon.com
248
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$39.99
Simplisafe Wireless Smoke Detector - Compatible With The Simplisafe Home Security System - Latest Gen, Battery Powered
Amazon.com
248
$53.54
Ecoey Smoke Alarm Fire Detector, Battery Included Photoelectric Smoke Detector With Test Button And Low Battery Signal, Small Fire Alarm For Home,
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3K+
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Ecoey Smoke Alarm Fire Detector, Battery Included Photoelectric Smoke Detector With Test Button And Low Battery Signal, Small Fire Alarm For Home,
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3K+
$11.89
SITERLINK Smoke Detectors,Replaceable Battery Included Smoke Alarms With 10 Hours Silence Button,Photoelectric Sensor Smoke Detector,Fire Detectors
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924
$11.89
SITERLINK Smoke Detectors,Replaceable Battery Included Smoke Alarms With 10 Hours Silence Button,Photoelectric Sensor Smoke Detector,Fire Detectors
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924
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X-Sense Smoke Alarm, 10-Year Battery Fire Alarm Smoke Detector With LED Indicator & Silence Button, SD2J0AX, 3-Pack
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2K+
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X-Sense Smoke Alarm, 10-Year Battery Fire Alarm Smoke Detector With LED Indicator & Silence Button, SD2J0AX, 3-Pack
Amazon.com
2K+
$21.98
10 Year Worry-Free Battery Powered Smoke Detector With Ionization Sensor
Home Depot
1K+
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10 Year Worry-Free Battery Powered Smoke Detector With Ionization Sensor
Home Depot
1K+
$170.39
SITERWELL Smoke Detector, Hardwired Interconnected Smoke Detector, Photoelectric Smoke Alarm With 9V Backup Battery, Fire Alarm With Test/Silence
Amazon.com
1K+
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SITERWELL Smoke Detector, Hardwired Interconnected Smoke Detector, Photoelectric Smoke Alarm With 9V Backup Battery, Fire Alarm With Test/Silence
Amazon.com
1K+
$135.99
SITERWELL Smoke Detector, Smoke Detector 10 Year Battery With Photoelectric Sensor, Fire Alarm With Low Battery And Fault Warning For House And
Amazon.com
85
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SITERWELL Smoke Detector, Smoke Detector 10 Year Battery With Photoelectric Sensor, Fire Alarm With Low Battery And Fault Warning For House And
Amazon.com
85
$82.45
System Sensor 4WTR-B Photoelectric i3 Smoke Detector, 4-Wire, Thermal Sensor, Form C Relay
JMAC
$82.45
System Sensor 4WTR-B Photoelectric i3 Smoke Detector, 4-Wire, Thermal Sensor, Form C Relay
JMAC
$137.43
System Sensor COSMO-2W 2-Wire CO/Smoke Detector
JMAC
1
$137.43
System Sensor COSMO-2W 2-Wire CO/Smoke Detector
JMAC
1
How to wire and program System Sensor 2WB series 2 wire smokes detectors on a DSC PowerSeries Neo.
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Find in video from 02:43Programming the Smoke Detectors
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Shop smoke alarm system sensor

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$19.99
BRK SMI100-AC Smoke Alarm - Hardwired With Ionization Sensor, Battery Backup, And Replaceable Battery
WholesaleHome
$19.99
BRK SMI100-AC Smoke Alarm - Hardwired With Ionization Sensor, Battery Backup, And Replaceable Battery
WholesaleHome
$119.99
SITERLINK Smoke Detectors 10 Year Battery Operated,UL217-9Th Listed Smoke Alarm With Test-Silence Button,Photoelectric Sensor Fire Alarms Smoke
Amazon.com
8
Free shipping
$119.99
SITERLINK Smoke Detectors 10 Year Battery Operated,UL217-9Th Listed Smoke Alarm With Test-Silence Button,Photoelectric Sensor Fire Alarms Smoke
Amazon.com
$92.69
Ecoey Smoke Alarm Fire Detector, Battery Included Photoelectric Smoke Detector With Test Button And Low Battery Signal, Small Fire Alarm For Home,
Amazon.com
3K+
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$92.69
Ecoey Smoke Alarm Fire Detector, Battery Included Photoelectric Smoke Detector With Test Button And Low Battery Signal, Small Fire Alarm For Home,
Amazon.com
$44.97
Hardwired And 10-Year Battery Backup Smoke Detector With Photoelectric Sensor And Voice Alert
Home Depot
$44.97
Hardwired And 10-Year Battery Backup Smoke Detector With Photoelectric Sensor And Voice Alert
Home Depot
$35.99
LSHOME 4 Pack Smoke Detector Fire Alarms 9V Battery Operated Photoelectric Sensor Smoke Alarms Easy To Install With Light Sound Warning, Test Button
Amazon.com
61
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LSHOME 4 Pack Smoke Detector Fire Alarms 9V Battery Operated Photoelectric Sensor Smoke Alarms Easy To Install With Light Sound Warning, Test Button
Amazon.com
$19.68
Fire Alarms Smoke Detectors, Carbon Monoxide Detectors/Smoke Alarm,Digital LCD Display, Battery Powered/Alarm/Fault Indicators,For Home
Amazon.com
10
$19.68
Fire Alarms Smoke Detectors, Carbon Monoxide Detectors/Smoke Alarm,Digital LCD Display, Battery Powered/Alarm/Fault Indicators,For Home
Amazon.com
$224.21
Lennox Y2269 System Sensor Kit - Duct Smoke Detector - Photoelctric - 100-4000Ft/Min - Probes & Sensors
Parts Town
$224.21
Lennox Y2269 System Sensor Kit - Duct Smoke Detector - Photoelctric - 100-4000Ft/Min - Probes & Sensors
Parts Town
$26.99
LSHOME Smoke Detector Fire Alarms 9V Battery Operated Photoelectric Sensor Smoke Alarms Easy To Install With Light Sound Warning, Test Button,9V
Amazon.com
5
$26.99
LSHOME Smoke Detector Fire Alarms 9V Battery Operated Photoelectric Sensor Smoke Alarms Easy To Install With Light Sound Warning, Test Button,9V
Amazon.com
$29.99
BRK SM100V-AC Smoke Alarm - Hardwired With Voice Alerts, Interconnectivity, And Replaceable Battery
WholesaleHome
$29.99
BRK SM100V-AC Smoke Alarm - Hardwired With Voice Alerts, Interconnectivity, And Replaceable Battery
WholesaleHome
$50.39
10 Years Battery Operated Smoke Detector, Fire Alarm With With Low Battery Warning, UL217 Listed Smoke Alarm,3 PACKS
Home Depot
7
Free shipping
$50.39
10 Years Battery Operated Smoke Detector, Fire Alarm With With Low Battery Warning, UL217 Listed Smoke Alarm,3 PACKS
Home Depot
$38.99
BRK SMICO100 Smoke & CO Alarm - Battery-Operated With Ionization And Electrochemical Sensors
WholesaleHome
79
$38.99
BRK SMICO100 Smoke & CO Alarm - Battery-Operated With Ionization And Electrochemical Sensors
WholesaleHome
$273.71
System Sensor Duct Smoke Detector: 120V AC/24V AC/DC Volt, 65 Ma @ 24V DC Current, Duct Mount Model: DUCTSD
Grainger
$273.71
System Sensor Duct Smoke Detector: 120V AC/24V AC/DC Volt, 65 Ma @ 24V DC Current, Duct Mount Model: DUCTSD
Grainger
$28.99
BRK SMI105-AC Smoke Alarm - Hardwired With Ionization Sensor And Battery Backup
WholesaleHome
$28.99
BRK SMI105-AC Smoke Alarm - Hardwired With Ionization Sensor And Battery Backup
WholesaleHome
$65.23
Smoke Detectors 10 Year Sealed Battery Operated,UL217-9Th Listed Smoke Alarm With Voice Alert,Photoelectric Sensor Fire Alarms Smoke Detectors With
Amazon.com
61
Free shipping
$65.23
Smoke Detectors 10 Year Sealed Battery Operated,UL217-9Th Listed Smoke Alarm With Voice Alert,Photoelectric Sensor Fire Alarms Smoke Detectors With
Amazon.com
$58.39
SITERWELL Smoke Detector, 10 Year Product Life Fire Alarm With Magnetic Fastening Kit, Smoke Alarm With Photoelectric Sensor And Low Battery Warning
Amazon.com
2
Free shipping
$58.39
SITERWELL Smoke Detector, 10 Year Product Life Fire Alarm With Magnetic Fastening Kit, Smoke Alarm With Photoelectric Sensor And Low Battery Warning
Amazon.com
$39.99
BRK SMCO210 Smoke & CO Alarm - Compact Lithium Battery-Powered Dual Sensor Protection
WholesaleHome
$39.99
BRK SMCO210 Smoke & CO Alarm - Compact Lithium Battery-Powered Dual Sensor Protection
WholesaleHome
$39.99
Simplisafe Wireless Smoke Detector - Compatible With The Simplisafe Home Security System - Latest Gen, Battery Powered
Amazon.com
248
Free shipping
$39.99
Simplisafe Wireless Smoke Detector - Compatible With The Simplisafe Home Security System - Latest Gen, Battery Powered
Amazon.com
$311.59
System Sensor Duct Smoke Detector: 20V AC/24V AC/24V DC Volt, 100 Ma Current, Duct Mount, White Model: D4120W
Grainger
1
$311.59
System Sensor Duct Smoke Detector: 20V AC/24V AC/24V DC Volt, 100 Ma Current, Duct Mount, White Model: D4120W
Grainger

Shop smoke alarm system sensor

Sponsored
About our ads
$46.99
System Sensor 2W-B i3 Series 2-Wire, Photoelectric i3 Smoke Detector
Amazon.com
223
Free shipping
$46.99
System Sensor 2W-B i3 Series 2-Wire, Photoelectric i3 Smoke Detector
Amazon.com
223
$53.35
System Sensor 4WT-B 4-Wire, Photoelectric i3 Smoke Detector With A 135 Degree Fixed Thermal Sensor
Amazon.com
120
Free shipping
$53.35
System Sensor 4WT-B 4-Wire, Photoelectric i3 Smoke Detector With A 135 Degree Fixed Thermal Sensor
Amazon.com
120
$76.95
System Sensor Smoke Alarm: Smoke, Hardwired, Smoke Detector, Photoelectric, Hardwired Model: 2W-B
Grainger
223
$76.95
System Sensor Smoke Alarm: Smoke, Hardwired, Smoke Detector, Photoelectric, Hardwired Model: 2W-B
Grainger
223
$214.05
System Sensor Duct Smoke Detector: 120V AC/24V AC/DC Volt, Sound Alert, Duct Mount, 5 in Overall Ht Model: D4120
Grainger
7
$214.05
System Sensor Duct Smoke Detector: 120V AC/24V AC/DC Volt, Sound Alert, Duct Mount, 5 in Overall Ht Model: D4120
Grainger
7
$69.99
System Sensor 2WTA-B Smoke Alarm With Sounder, Relay And Isolator Options Form C Relay Isolated Thermal Sensor Plug-In Design, Base Included
Amazon.com
Free shipping
$69.99
System Sensor 2WTA-B Smoke Alarm With Sounder, Relay And Isolator Options Form C Relay Isolated Thermal Sensor Plug-In Design, Base Included
Amazon.com
Free shipping
$78.86
SYSTEM SENSOR 4WTA-B 4WTAB 12/24 VDC, Photoelectric Smoke Detector With Thermal, Sounder, And Base
Amazon.com
46
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$78.86
SYSTEM SENSOR 4WTA-B 4WTAB 12/24 VDC, Photoelectric Smoke Detector With Thermal, Sounder, And Base
Amazon.com
46
$59.99
System Sensor 2WT-B Photoelectric Smoke Detector With 135 Degree Thermal
Amazon.com
48
Free shipping
$59.99
System Sensor 2WT-B Photoelectric Smoke Detector With 135 Degree Thermal
Amazon.com
48
$116.63
System Sensor Smoke Alarm: Smoke, Hardwired, Smoke Detector, Photoelectric, Hardwired, Round, 3 Yr Model: 4WTA-B
Grainger
4
$116.63
System Sensor Smoke Alarm: Smoke, Hardwired, Smoke Detector, Photoelectric, Hardwired, Round, 3 Yr Model: 4WTA-B
Grainger
4
$99.99
System Sensor Duct Smoke Detector: 120V/24V Volt, 65 Ma Current, Sound Alert, Duct Mount, Round Model: 2D51
Grainger
$99.99
System Sensor Duct Smoke Detector: 120V/24V Volt, 65 Ma Current, Sound Alert, Duct Mount, Round Model: 2D51
Grainger
$62.02
First Alert Smoke Alarm, 10-Year Sealed Battery Dual Sensor Detector With Test & Silence Button, SM310, 1-Pack
Amazon.com
2K+
Free shipping
$62.02
First Alert Smoke Alarm, 10-Year Sealed Battery Dual Sensor Detector With Test & Silence Button, SM310, 1-Pack
Amazon.com
2K+
$42.42
System Sensor 2W-B Photoelectric i3 Smoke Detector, 2-Wire
JMAC
223
$42.42
System Sensor 2W-B Photoelectric i3 Smoke Detector, 2-Wire
JMAC
223
$19.99
BRK SMI100-AC Smoke Alarm - Hardwired With Ionization Sensor, Battery Backup, And Replaceable Battery
WholesaleHome
$19.99
BRK SMI100-AC Smoke Alarm - Hardwired With Ionization Sensor, Battery Backup, And Replaceable Battery
WholesaleHome
$119.99
SITERLINK Smoke Detectors 10 Year Battery Operated,UL217-9Th Listed Smoke Alarm With Test-Silence Button,Photoelectric Sensor Fire Alarms Smoke
Amazon.com
8
Free shipping
$119.99
SITERLINK Smoke Detectors 10 Year Battery Operated,UL217-9Th Listed Smoke Alarm With Test-Silence Button,Photoelectric Sensor Fire Alarms Smoke
Amazon.com
8
$92.69
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