Shop smoke sensor

Sponsored
About our ads
$219.65
Kidde Hardwired Smoke & Carbon Monoxide Detector, 10-Year Battery Backup, Voice Alerts, Interconnectable LED Warning Light Indicators, 4 Pack
Amazon.com
752
Free shipping
$219.65
Kidde Hardwired Smoke & Carbon Monoxide Detector, 10-Year Battery Backup, Voice Alerts, Interconnectable LED Warning Light Indicators, 4 Pack
Amazon.com
752
$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
$249.99
X-Sense Smart Smoke Detector Carbon Monoxide Detector Combo With Replaceable Battery, Wi-Fi Smoke And Carbon Monoxide Detector With Real-Time App
Amazon.com
Free shipping
$249.99
X-Sense Smart Smoke Detector Carbon Monoxide Detector Combo With Replaceable Battery, Wi-Fi Smoke And Carbon Monoxide Detector With Real-Time App
Amazon.com
Free shipping
$58.99
System Sensor 2WT-B Photoelectric Smoke Detector With 135 Degree Thermal
Amazon.com
45
Free shipping
$58.99
System Sensor 2WT-B Photoelectric Smoke Detector With 135 Degree Thermal
Amazon.com
45
$234.80
$324.72
System Sensor D4120W Watertight 4-Wire Photoelectric Duct Smoke Detector 24VDC/120VAC
Voomi Supply
27% off
$234.80
$324.72
System Sensor D4120W Watertight 4-Wire Photoelectric Duct Smoke Detector 24VDC/120VAC
Voomi Supply
$206.97
Edwards Sd-2W 2Wire Duct Smoke Detector
New Feedonomics Feed - ARC 8/12/2025
$206.97
Edwards Sd-2W 2Wire Duct Smoke Detector
New Feedonomics Feed - ARC 8/12/2025
$152.99
SYSTEM SENSOR Duct Smoke Detector, Photoelectric, Universal, Air Velocity (FPM) 100 To 4000, 2 1/2 in Depth, D4120
Zoro.com
$152.99
SYSTEM SENSOR Duct Smoke Detector, Photoelectric, Universal, Air Velocity (FPM) 100 To 4000, 2 1/2 in Depth, D4120
Zoro.com
$142.71
System Sensor D4120 4-Wire Duct Smoke Detector, 4-Wire, Photoelectric, Low-Flow (24/120V), D4120 | Supplyhouse.Com
SupplyHouse.com
$142.71
System Sensor D4120 4-Wire Duct Smoke Detector, 4-Wire, Photoelectric, Low-Flow (24/120V), D4120 | Supplyhouse.Com
SupplyHouse.com
$243.49
Aaon R77340 Smoke Detector - Ad4s - Accessories
Parts Town
$243.49
Aaon R77340 Smoke Detector - Ad4s - Accessories
Parts Town
$141.99
$228.58
System Sensor D4120 4-Wire Photoelectric Low-Flow Duct Smoke Detector 24VDC/120VAC Replaces DH100ACDCLP
Voomi Supply
37% off
$141.99
$228.58
System Sensor D4120 4-Wire Photoelectric Low-Flow Duct Smoke Detector 24VDC/120VAC Replaces DH100ACDCLP
Voomi Supply
$39.97
10 Year Worry-Free Battery Powered Smoke Detector With Photoelectric Sensor And Voice Alerts
Home Depot
Free shipping
$39.97
10 Year Worry-Free Battery Powered Smoke Detector With Photoelectric Sensor And Voice Alerts
Home Depot
Free shipping
$292.03
Trane SEN1789 Photoelectric Smoke Sensor
Voomi Supply
$292.03
Trane SEN1789 Photoelectric Smoke Sensor
Voomi Supply
$34.99
Ring Alarm Smoke And CO Listener: Compatible With Android & Apple Ios, Battery-Powered
Target
Free shipping
$34.99
Ring Alarm Smoke And CO Listener: Compatible With Android & Apple Ios, Battery-Powered
Target
Free shipping
$13.99
$16.99
X-Sense Smoke Alarm, 10-Year Battery Life Fire Alarm With LED Indicator, 1-Pack
Walmart
56
17% off
$13.99
$16.99
X-Sense Smoke Alarm, 10-Year Battery Life Fire Alarm With LED Indicator, 1-Pack
Walmart
56
$54.35
SYSTEM SENSOR Smoke Alarm, Hardwired, Photoelectric Sensor, Audible Alert, Volume Level 85 Db At 10 Ft, 2W-B
Zoro.com
$54.35
SYSTEM SENSOR Smoke Alarm, Hardwired, Photoelectric Sensor, Audible Alert, Volume Level 85 Db At 10 Ft, 2W-B
Zoro.com
$6.75
$7.50
Smoke Alarm
Home Guard Supply
10% off
$6.75
$7.50
Smoke Alarm
Home Guard Supply
$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
$33.85
FIRST ALERT Smoke Alarm, 120 V, Photoelectric Sensor, 85 Dba, White, 1046727
Zoro.com
$33.85
FIRST ALERT Smoke Alarm, 120 V, Photoelectric Sensor, 85 Dba, White, 1046727
Zoro.com
$25.99
Smart 2-In-1 Wifi CO And Smoke Detector For Home And Office Safety
Evalm
$25.99
Smart 2-In-1 Wifi CO And Smoke Detector For Home And Office Safety
Evalm
$37.15
USI Sensing Plus Hardwired Smoke And Fire Alarm With 10-Year Battery Back Up (AMI1061SB)
Lighting Supply
$37.15
USI Sensing Plus Hardwired Smoke And Fire Alarm With 10-Year Battery Back Up (AMI1061SB)
Lighting Supply
$85.49
$155.99
X-Sense Smart Smoke Detector Carbon Monoxide Detector Combo With No Fee App Notification, Replaceable Battery Powered Smoke Detector And Carbon Monoxi
Walmart
55
Free shipping
45% off
$85.49
$155.99
X-Sense Smart Smoke Detector Carbon Monoxide Detector Combo With No Fee App Notification, Replaceable Battery Powered Smoke Detector And Carbon Monoxi
Walmart
55
$46.38
First Alert Smoke Alarm Ionization Photoelectric Sensor 1046759
DkHardware.com
$46.38
First Alert Smoke Alarm Ionization Photoelectric Sensor 1046759
DkHardware.com
$45.99
$49.99
First Alert Voice Alert Hard-Wired Photoelectric Smoke Detector 1 Pk Gray
Wayfair
1
Free shipping
$45.99
$49.99
First Alert Voice Alert Hard-Wired Photoelectric Smoke Detector 1 Pk Gray
Wayfair
1
$46.62
Firex 21033087, Smoke Alarm, Detects Smoldering Fires, Photoelectric Sensor, Interconnectable, 120V, Sealed Lithium 10 Year Battery | 1000 Bulbs
1000Bulbs.com
$46.62
Firex 21033087, Smoke Alarm, Detects Smoldering Fires, Photoelectric Sensor, Interconnectable, 120V, Sealed Lithium 10 Year Battery | 1000 Bulbs
1000Bulbs.com
$19.99
Wifi Smart Smoke Detector With 360 Degree Detection And Remote Control
Evalm
$19.99
Wifi Smart Smoke Detector With 360 Degree Detection And Remote Control
Evalm
$39.99
First Alert Voice Alert Hard-Wired Photoelectric Smoke Detector 1 Pk
Ace Hardware
1
$39.99
First Alert Voice Alert Hard-Wired Photoelectric Smoke Detector 1 Pk
Ace Hardware
1
$81.33
First Alert Smoke And Carbon Monoxide Alarm 85 Db Alarm: Audible Electrochemical Photoelectric Sensor White 1039868
DkHardware.com
$81.33
First Alert Smoke And Carbon Monoxide Alarm 85 Db Alarm: Audible Electrochemical Photoelectric Sensor White 1039868
DkHardware.com
$122.99
$129.99
First Alert - Smoke And Carbon Monoxide Detector Battery Powered - White
Best Buy
Free shipping
$122.99
$129.99
First Alert - Smoke And Carbon Monoxide Detector Battery Powered - White
Best Buy
Free shipping
$69.99
Simplisafe - Smoke & Carbon Monoxide Detector - White
Best Buy
439
Free shipping
$69.99
Simplisafe - Smoke & Carbon Monoxide Detector - White
Best Buy
439
$11.29
21006378 i12040 Hard-Wired Interconnect Ionization Smoke Alarm, Rear Load (120V) W/ Front Pull Tab And 9V Battery Backup
Kelly & Hayes Electrical Supply
$11.29
21006378 i12040 Hard-Wired Interconnect Ionization Smoke Alarm, Rear Load (120V) W/ Front Pull Tab And 9V Battery Backup
Kelly & Hayes Electrical Supply
$64.18
System Sensor 2151 Photoelectronic Low-Profile Plug-In Smoke Detector
BSA Security Integrators
3
$64.18
System Sensor 2151 Photoelectronic Low-Profile Plug-In Smoke Detector
BSA Security Integrators
3
$239.18
$254.00
Allpoints S1-55000-328 3.7 Inch Smoke Detection Head With Optical Sensor | OEM | Commercial Restaurant Supply
RestaurantSupply.com
$239.18
$254.00
Allpoints S1-55000-328 3.7 Inch Smoke Detection Head With Optical Sensor | OEM | Commercial Restaurant Supply
RestaurantSupply.com
$58.68
$76.28
X-Sense Wi-Fi Smoke Detector, Wireless Smart Fire Smoke Detector With Replaceable Lithium Battery Silence Button, Auto Self-Check Function, XS01-WT, Pack Of 3
theminutetrader
23% off
$58.68
$76.28
X-Sense Wi-Fi Smoke Detector, Wireless Smart Fire Smoke Detector With Replaceable Lithium Battery Silence Button, Auto Self-Check Function, XS01-WT, Pack Of 3
theminutetrader
$54.88
$71.34
X-Sense Wi-Fi Smoke Detector, Wireless Smart Fire Smoke Detector With Replaceable Lithium Battery Silence Button, Auto Self-Check Function, XS01-WT, Pack Of 3
theminutetrader
23% off
$54.88
$71.34
X-Sense Wi-Fi Smoke Detector, Wireless Smart Fire Smoke Detector With Replaceable Lithium Battery Silence Button, Auto Self-Check Function, XS01-WT, Pack Of 3
theminutetrader
$39.99
Eufy Security Smoke And Carbon Monoxide Alarm Listener White
Eufy
$39.99
Eufy Security Smoke And Carbon Monoxide Alarm Listener White
Eufy
$21.49
$30.09
SITERWELL Smoke Detector, 10 Year Fire Alarm With Photoelectric Sensor And Built-In Battery, Fire Detector With Low Battery And Fault Warning For House And Bedroom, UL Listed, GS526A, 4 Packs
seaurchinsnorthcaptiva
Free shipping
28% off
$21.49
$30.09
SITERWELL Smoke Detector, 10 Year Fire Alarm With Photoelectric Sensor And Built-In Battery, Fire Detector With Low Battery And Fault Warning For House And Bedroom, UL Listed, GS526A, 4 Packs
seaurchinsnorthcaptiva
Free shipping

Shop smoke sensor

Sponsored
About our ads
$292.03
Trane SEN1789 Photoelectric Smoke Sensor
Voomi Supply
$292.03
Trane SEN1789 Photoelectric Smoke Sensor
Voomi Supply
$34.99
Ring Alarm Smoke And CO Listener: Compatible With Android & Apple Ios, Battery-Powered
Target
Free shipping
$34.99
Ring Alarm Smoke And CO Listener: Compatible With Android & Apple Ios, Battery-Powered
Target
$13.99
$16.99
X-Sense Smoke Alarm, 10-Year Battery Life Fire Alarm With LED Indicator, 1-Pack
Walmart
56
17% off
$13.99
$16.99
X-Sense Smoke Alarm, 10-Year Battery Life Fire Alarm With LED Indicator, 1-Pack
Walmart
$54.35
SYSTEM SENSOR Smoke Alarm, Hardwired, Photoelectric Sensor, Audible Alert, Volume Level 85 Db At 10 Ft, 2W-B
Zoro.com
$54.35
SYSTEM SENSOR Smoke Alarm, Hardwired, Photoelectric Sensor, Audible Alert, Volume Level 85 Db At 10 Ft, 2W-B
Zoro.com
$6.75
$7.50
Smoke Alarm
Home Guard Supply
10% off
$6.75
$7.50
Smoke Alarm
Home Guard Supply
$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
$33.85
FIRST ALERT Smoke Alarm, 120 V, Photoelectric Sensor, 85 Dba, White, 1046727
Zoro.com
$33.85
FIRST ALERT Smoke Alarm, 120 V, Photoelectric Sensor, 85 Dba, White, 1046727
Zoro.com
$25.99
Smart 2-In-1 Wifi CO And Smoke Detector For Home And Office Safety
Evalm
$25.99
Smart 2-In-1 Wifi CO And Smoke Detector For Home And Office Safety
Evalm
$37.15
USI Sensing Plus Hardwired Smoke And Fire Alarm With 10-Year Battery Back Up (AMI1061SB)
Lighting Supply
$37.15
USI Sensing Plus Hardwired Smoke And Fire Alarm With 10-Year Battery Back Up (AMI1061SB)
Lighting Supply
$85.49
$155.99
X-Sense Smart Smoke Detector Carbon Monoxide Detector Combo With No Fee App Notification, Replaceable Battery Powered Smoke Detector And Carbon Monoxi
Walmart
55
Free shipping
45% off
$85.49
$155.99
X-Sense Smart Smoke Detector Carbon Monoxide Detector Combo With No Fee App Notification, Replaceable Battery Powered Smoke Detector And Carbon Monoxi
Walmart
$46.38
First Alert Smoke Alarm Ionization Photoelectric Sensor 1046759
DkHardware.com
$46.38
First Alert Smoke Alarm Ionization Photoelectric Sensor 1046759
DkHardware.com
$45.99
$49.99
First Alert Voice Alert Hard-Wired Photoelectric Smoke Detector 1 Pk Gray
Wayfair
1
Free shipping
$45.99
$49.99
First Alert Voice Alert Hard-Wired Photoelectric Smoke Detector 1 Pk Gray
Wayfair
$46.62
Firex 21033087, Smoke Alarm, Detects Smoldering Fires, Photoelectric Sensor, Interconnectable, 120V, Sealed Lithium 10 Year Battery | 1000 Bulbs
1000Bulbs.com
$46.62
Firex 21033087, Smoke Alarm, Detects Smoldering Fires, Photoelectric Sensor, Interconnectable, 120V, Sealed Lithium 10 Year Battery | 1000 Bulbs
1000Bulbs.com
$19.99
Wifi Smart Smoke Detector With 360 Degree Detection And Remote Control
Evalm
$19.99
Wifi Smart Smoke Detector With 360 Degree Detection And Remote Control
Evalm
$39.99
First Alert Voice Alert Hard-Wired Photoelectric Smoke Detector 1 Pk
Ace Hardware
1
$39.99
First Alert Voice Alert Hard-Wired Photoelectric Smoke Detector 1 Pk
Ace Hardware
$81.33
First Alert Smoke And Carbon Monoxide Alarm 85 Db Alarm: Audible Electrochemical Photoelectric Sensor White 1039868
DkHardware.com
$81.33
First Alert Smoke And Carbon Monoxide Alarm 85 Db Alarm: Audible Electrochemical Photoelectric Sensor White 1039868
DkHardware.com
$122.99
$129.99
First Alert - Smoke And Carbon Monoxide Detector Battery Powered - White
Best Buy
Free shipping
$122.99
$129.99
First Alert - Smoke And Carbon Monoxide Detector Battery Powered - White
Best Buy
$69.99
Simplisafe - Smoke & Carbon Monoxide Detector - White
Best Buy
439
Free shipping
$69.99
Simplisafe - Smoke & Carbon Monoxide Detector - White
Best Buy

Shop smoke sensor

Sponsored
About our ads
$219.65
Kidde Hardwired Smoke & Carbon Monoxide Detector, 10-Year Battery Backup, Voice Alerts, Interconnectable LED Warning Light Indicators, 4 Pack
Amazon.com
752
Free shipping
$219.65
Kidde Hardwired Smoke & Carbon Monoxide Detector, 10-Year Battery Backup, Voice Alerts, Interconnectable LED Warning Light Indicators, 4 Pack
Amazon.com
752
$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
$249.99
X-Sense Smart Smoke Detector Carbon Monoxide Detector Combo With Replaceable Battery, Wi-Fi Smoke And Carbon Monoxide Detector With Real-Time App
Amazon.com
Free shipping
$249.99
X-Sense Smart Smoke Detector Carbon Monoxide Detector Combo With Replaceable Battery, Wi-Fi Smoke And Carbon Monoxide Detector With Real-Time App
Amazon.com
Free shipping
$58.99
System Sensor 2WT-B Photoelectric Smoke Detector With 135 Degree Thermal
Amazon.com
45
Free shipping
$58.99
System Sensor 2WT-B Photoelectric Smoke Detector With 135 Degree Thermal
Amazon.com
45
$234.80
$324.72
System Sensor D4120W Watertight 4-Wire Photoelectric Duct Smoke Detector 24VDC/120VAC
Voomi Supply
27% off
$234.80
$324.72
System Sensor D4120W Watertight 4-Wire Photoelectric Duct Smoke Detector 24VDC/120VAC
Voomi Supply
$206.97
Edwards Sd-2W 2Wire Duct Smoke Detector
New Feedonomics Feed - ARC 8/12/2025
$206.97
Edwards Sd-2W 2Wire Duct Smoke Detector
New Feedonomics Feed - ARC 8/12/2025
$152.99
SYSTEM SENSOR Duct Smoke Detector, Photoelectric, Universal, Air Velocity (FPM) 100 To 4000, 2 1/2 in Depth, D4120
Zoro.com
$152.99
SYSTEM SENSOR Duct Smoke Detector, Photoelectric, Universal, Air Velocity (FPM) 100 To 4000, 2 1/2 in Depth, D4120
Zoro.com
$142.71
System Sensor D4120 4-Wire Duct Smoke Detector, 4-Wire, Photoelectric, Low-Flow (24/120V), D4120 | Supplyhouse.Com
SupplyHouse.com
$142.71
System Sensor D4120 4-Wire Duct Smoke Detector, 4-Wire, Photoelectric, Low-Flow (24/120V), D4120 | Supplyhouse.Com
SupplyHouse.com
$243.49
Aaon R77340 Smoke Detector - Ad4s - Accessories
Parts Town
$243.49
Aaon R77340 Smoke Detector - Ad4s - Accessories
Parts Town
$141.99
$228.58
System Sensor D4120 4-Wire Photoelectric Low-Flow Duct Smoke Detector 24VDC/120VAC Replaces DH100ACDCLP
Voomi Supply
37% off
$141.99
$228.58
System Sensor D4120 4-Wire Photoelectric Low-Flow Duct Smoke Detector 24VDC/120VAC Replaces DH100ACDCLP
Voomi Supply
$39.97
10 Year Worry-Free Battery Powered Smoke Detector With Photoelectric Sensor And Voice Alerts
Home Depot
Free shipping
$39.97
10 Year Worry-Free Battery Powered Smoke Detector With Photoelectric Sensor And Voice Alerts
Home Depot
Free shipping
$292.03
Trane SEN1789 Photoelectric Smoke Sensor
Voomi Supply
$292.03
Trane SEN1789 Photoelectric Smoke Sensor
Voomi Supply
$34.99
Ring Alarm Smoke And CO Listener: Compatible With Android & Apple Ios, Battery-Powered
Target
Free shipping
$34.99
Ring Alarm Smoke And CO Listener: Compatible With Android & Apple Ios, Battery-Powered
Target
Free shipping
$13.99
$16.99
X-Sense Smoke Alarm, 10-Year Battery Life Fire Alarm With LED Indicator, 1-Pack
Walmart
56
17% off
$13.99
$16.99
X-Sense Smoke Alarm, 10-Year Battery Life Fire Alarm With LED Indicator, 1-Pack
Walmart
56
$54.35
SYSTEM SENSOR Smoke Alarm, Hardwired, Photoelectric Sensor, Audible Alert, Volume Level 85 Db At 10 Ft, 2W-B
Zoro.com
$54.35
SYSTEM SENSOR Smoke Alarm, Hardwired, Photoelectric Sensor, Audible Alert, Volume Level 85 Db At 10 Ft, 2W-B
Zoro.com
$6.75
$7.50
Smoke Alarm
Home Guard Supply
10% off
$6.75
$7.50
Smoke Alarm
Home Guard Supply
$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
$33.85
FIRST ALERT Smoke Alarm, 120 V, Photoelectric Sensor, 85 Dba, White, 1046727
Zoro.com
$33.85
FIRST ALERT Smoke Alarm, 120 V, Photoelectric Sensor, 85 Dba, White, 1046727
Zoro.com