Safety Equipment and GearAlarm SystemsAll Home SecurityAll Tool SetsBathroom HardwareBathroom PlumbingCar Emergency SuppliesCarbon Monoxide AlarmsElectrical ToolsElectronic Communication ComponentsEmergency SuppliesFire SafetyFirst AlertFlashlightsGarage Storage SystemsHand ToolsHome SafetyHome Safety by BrandHVAC Ducting and VentilationKiddeLight BulbsMechanics ToolsPaint Supplies & ToolsPersonal PreparednessPersonal SafetyPlumbing Tools & AccessoriesPower ToolsSafety DetectorsSealants, Fillers and AdhesivesShop Plumbing by FixtureStorage ContainersStorm & Flood PrepSurveillanceTool Equipment & StorageUniversal Security InstrumentsWildfire Prep
Sort by|
Safety Equipment and GearAlarm SystemsAll Home SecurityAll Tool SetsBathroom HardwareBathroom PlumbingCar Emergency SuppliesCarbon Monoxide AlarmsElectrical ToolsElectronic Communication ComponentsEmergency SuppliesFire SafetyFirst AlertFlashlightsGarage Storage SystemsHand ToolsHome SafetyHome Safety by BrandHVAC Ducting and VentilationKiddeLight BulbsMechanics ToolsPaint Supplies & ToolsPersonal PreparednessPersonal SafetyPlumbing Tools & AccessoriesPower ToolsSafety DetectorsSealants, Fillers and AdhesivesShop Plumbing by FixtureStorage ContainersStorm & Flood PrepSurveillanceTool Equipment & StorageUniversal Security InstrumentsWildfire Prep
Flame Detectors(67)
Uses item details. Price when purchased online
(2 pack) Universal Security Instruments, Sensing Plus, Hardwired Smoke & Fire Alarm, Multi-Criteria Detection, with 10 Year Battery Backup $69.88 $34.94/ea
Sponsored
$6988
current price $69.88$34.94/ea
From $34.94
(2 pack) Universal Security Instruments, Sensing Plus, Hardwired Smoke & Fire Alarm, Multi-Criteria Detection, with 10 Year Battery Backup
1214.2 out of 5 Stars. 121 reviews
Save with
100+ bought since yesterday Kidde Battery-Operated Photoelectric Smoke Detector Alarm, 4-Inch, Batteries Included From $19.88
Sponsored
From$1988
Kidde Battery-Operated Photoelectric Smoke Detector Alarm, 4-Inch, Batteries Included
8104.5 out of 5 Stars. 810 reviews
Save with
50+ bought since yesterday Kidde Battery-Operated Photoelectric Smoke Detector Alarm, 4-inch, Batteries Included, 2 Pack From $36.88
Sponsored
From$3688
Kidde Battery-Operated Photoelectric Smoke Detector Alarm, 4-inch, Batteries Included, 2 Pack
2814.5 out of 5 Stars. 281 reviews
Save with
50+ bought since yesterday Kidde 10-Year Sealed Lithium Battery-Operated Photoelectric Smoke Detector Alarm, 5-inch From $34.97
Sponsored
From$3497
Kidde 10-Year Sealed Lithium Battery-Operated Photoelectric Smoke Detector Alarm, 5-inch
3804.1 out of 5 Stars. 380 reviews
Save with
50+ bought since yesterday Universal Security Instruments Inc Sensing Plus, Smoke and Fire Alarm, Multi-Criteria Detection, with 10 Year Sealed Battery $27.97
$2797
current price $27.97Universal Security Instruments Inc Sensing Plus, Smoke and Fire Alarm, Multi-Criteria Detection, with 10 Year Sealed Battery
1644.6 out of 5 Stars. 164 reviews
Save with
Smoke Alarm Detector Home Fire Safety Sensor Alert
Smoke Alarm Detector Home Fire Safety Sensor Alert
434.1 out of 5 Stars. 43 reviews
Save with
Smoke Alarm Home Security System Fire Protection Smoke Alarm Detector From $12.99
From$1299
Smoke Alarm Home Security System Fire Protection Smoke Alarm Detector
324.3 out of 5 Stars. 32 reviews
Save with
SITERWELL Smoke Detector, Magnetic Fastening Kit, Smoke Alarm, Photoelectric ,Low Battery Warning Function, 1 Pack From $19.52
9 options
Available in additional 9 optionsFrom$1952
SITERWELL Smoke Detector, Magnetic Fastening Kit, Smoke Alarm, Photoelectric ,Low Battery Warning Function, 1 Pack
5604.4 out of 5 Stars. 560 reviews
Save with
SITERWELL Smoke Detector, Smoke Detector 10 Year Battery with Photoelectric Sensor, Fire Alarm with Low Battery and Fault Warning for House and Bedroom, UL217-9th Listed, GS525A, 2 Packs From $23.68
8 options
Available in additional 8 optionsFrom$2368
SITERWELL Smoke Detector, Smoke Detector 10 Year Battery with Photoelectric Sensor, Fire Alarm with Low Battery and Fault Warning for House and Bedroom, UL217-9th Listed, GS525A, 2 Packs
1984.4 out of 5 Stars. 198 reviews
Save with
Shelly Gas CNG detector | Wi-Fi Smart Gas Sensor with Sound and Light Alarm | Certified | Flame Resistant | Wire-free | Scene Activation | iOS & Android App
Shelly Gas CNG detector | Wi-Fi Smart Gas Sensor with Sound and Light Alarm | Certified | Flame Resistant | Wire-free | Scene Activation | iOS & Android App
64.7 out of 5 Stars. 6 reviews
Kidde Battery-Operated Photoelectric Smoke Detector Alarm, 5-inch, Batteries Included From $29.97
Sponsored
From$2997
Kidde Battery-Operated Photoelectric Smoke Detector Alarm, 5-inch, Batteries Included
1264.5 out of 5 Stars. 126 reviews
Save with
Kidde Hardwired Photoelectric Smoke Detector Alarm, AA Battery Backup, 5-inch From $34.84
Sponsored
From$3484
Kidde Hardwired Photoelectric Smoke Detector Alarm, AA Battery Backup, 5-inch
1633.8 out of 5 Stars. 163 reviews
Save with
2PCS Smoke Alarm Detector Home Safety Sensor Alert From $17.79
From$1779
2PCS Smoke Alarm Detector Home Safety Sensor Alert
604.1 out of 5 Stars. 60 reviews
Save with
6-in-1 CO, Smoke, Gas Detector - Portable Plug-in Safety Device with Built-in Battery, High-Precision Sensors, 85dB Alarm, and Rotatable Color Screen for Home, RV, Hotel, and Travel Use Black From $22.39
From$2239
6-in-1 CO, Smoke, Gas Detector - Portable Plug-in Safety Device with Built-in Battery, High-Precision Sensors, 85dB Alarm, and Rotatable Color Screen for Home, RV, Hotel, and Travel Use Black
Photoelectric Smoke Alarm Detector, Home Fire Safety Sensor Alert, 3V AA Battery Operated, No Wiring Required From $14.99
From$1499
Photoelectric Smoke Alarm Detector, Home Fire Safety Sensor Alert, 3V AA Battery Operated, No Wiring Required
Save with
Universal Security Instruments, Sensing Plus, Combo Smoke, Fire, and Carbon Monoxide Alarm, Multi-Criteria, with 10-Year Battery $57.91
$5791
current price $57.91Universal Security Instruments, Sensing Plus, Combo Smoke, Fire, and Carbon Monoxide Alarm, Multi-Criteria, with 10-Year Battery
214.7 out of 5 Stars. 21 reviews
Save with
SITERWELL Smoke Detector 10 Year Battery Operated,Photoelectric,Rlectrochemical Sensors, Fire Alarm,Bilingual Voice Alerts, UL217-9th Standards,1 Pack From $24.80
3 options
Available in additional 3 optionsFrom$2480
SITERWELL Smoke Detector 10 Year Battery Operated,Photoelectric,Rlectrochemical Sensors, Fire Alarm,Bilingual Voice Alerts, UL217-9th Standards,1 Pack
254.7 out of 5 Stars. 25 reviews
Save with
New QRI2B2.B180B Burner Infrared Flame Detector Flame Sensor $297.27
$29727
current price $297.27New QRI2B2.B180B Burner Infrared Flame Detector Flame Sensor
Estrotect Heat Detector w/Bullseye $79.99
$7999
current price $79.99Estrotect Heat Detector w/Bullseye
15 out of 5 Stars. 1 reviews
Universal Security Instruments Hardwire Smoke & Fire Alarm, with 10-Year Battery Backup $44.97
$4497
current price $44.97Universal Security Instruments Hardwire Smoke & Fire Alarm, with 10-Year Battery Backup
Save with
Best seller Natural Gas Detector CH4, Combustible Gas Methane Alarm Battery Powered with Light & Audible Indicator,Gas Monitor Sensor for Home RV Kitchen Apartment Safety (Battery included) $37.99
Sponsored
$3799
current price $37.99Natural Gas Detector CH4, Combustible Gas Methane Alarm Battery Powered with Light & Audible Indicator,Gas Monitor Sensor for Home RV Kitchen Apartment Safety (Battery included)
84.5 out of 5 Stars. 8 reviews
Save with
Kidde Battery-Operated Photoelectric Smoke Detector Alarm, 5-inch, Batteries Included, 2 Pack From $57.00
Sponsored
From$5700
Kidde Battery-Operated Photoelectric Smoke Detector Alarm, 5-inch, Batteries Included, 2 Pack
754.6 out of 5 Stars. 75 reviews
Save with
Universal Security Instruments 10-Year Battery Smoke, Fire, Carbon Monxide Alarm $49.97
$4997
current price $49.97Universal Security Instruments 10-Year Battery Smoke, Fire, Carbon Monxide Alarm
Save with
Honeywell C554A1463 - Flame Detector W/Multiple Mtg. Brackets & 60 Lead $51.88
$5188
current price $51.88Honeywell C554A1463 - Flame Detector W/Multiple Mtg. Brackets & 60 Lead
Universal Security Instruments 10-Year Battery, Smoke & Fire Alarm $29.97
$2997
current price $29.97Universal Security Instruments 10-Year Battery, Smoke & Fire Alarm
25 out of 5 Stars. 2 reviews
Save with
DETECTOR CAD CELL FLAME (Pack of 1)
DETECTOR CAD CELL FLAME (Pack of 1)
Universal Security Instruments Hardwire Smoke & Fire Alarm, with Battery Back-up $27.97
$2797
current price $27.97Universal Security Instruments Hardwire Smoke & Fire Alarm, with Battery Back-up
25 out of 5 Stars. 2 reviews
Save with
Neuco Flame Sensor, 23543-01 $22.86
$2286
current price $22.86Neuco Flame Sensor, 23543-01
Save with
Rely 5300-2-in-1 Smoke & Carbon Monoxide Detector - Battery-Operated with Siren, Voice Alerts and LED Lights - Fire & CO Protection - 1 Pack $47.99
$4799
current price $47.99Rely 5300-2-in-1 Smoke & Carbon Monoxide Detector - Battery-Operated with Siren, Voice Alerts and LED Lights - Fire & CO Protection - 1 Pack
124.8 out of 5 Stars. 12 reviews
Save with
Fireboy-Xintex Propane Fume Detector w/Plastic Sensor Solenoid Val... [P-1BS-R] $362.23
![Fireboy-Xintex Propane Fume Detector w/Plastic Sensor Solenoid Val... [P-1BS-R]](https://i5.walmartimages.com/seo/Fireboy-Xintex-Propane-Fume-Detector-w-Plastic-Sensor-Solenoid-Valve-Black-Bezel-Display_d7ee07c9-7716-4da3-90c4-e0bf8db29c98_1.5d027f8bd2e5b2437c63bab28c3b2406.jpeg?odnHeight=576&odnWidth=576&odnBg=FFFFFF)
$36223
current price $362.23Fireboy-Xintex Propane Fume Detector w/Plastic Sensor Solenoid Val... [P-1BS-R]
Kidde 10-Year Sealed Lithium Battery-Operated Photoelectric Smoke Detector Alarm, 5-Inch, 2 Pack From $65.00
Sponsored
From$6500
Kidde 10-Year Sealed Lithium Battery-Operated Photoelectric Smoke Detector Alarm, 5-Inch, 2 Pack
1483.6 out of 5 Stars. 148 reviews
Save with
Best seller Fixdono Natural Gas Detector, Digital Sound Warning Gas Detector, Natural Gas Leak Security Detection Detector, Alarm Monitor Plug-in Sensor for Home Kitchen Restaurant Hotel School Warehouse $17.99 Was $31.99
Sponsored
Now$1799
current price Now $17.99, Was $31.99$31.99
Fixdono Natural Gas Detector, Digital Sound Warning Gas Detector, Natural Gas Leak Security Detection Detector, Alarm Monitor Plug-in Sensor for Home Kitchen Restaurant Hotel School Warehouse
2834.4 out of 5 Stars. 283 reviews
Save with
Luxshiny Quick Response for Boiler Burner, Black, 1 Piece - Flame Detection Sensor $8.06 Was $9.16
Now$806
current price Now $8.06, Was $9.16$9.16
Luxshiny Quick Response for Boiler Burner, Black, 1 Piece - Flame Detection Sensor
GN807 Combustible Gas Detector of Detection Various Flammable Gases Sound And Light Alarm 50~10000PPM Methane Detection $152.08
$15208
current price $152.08GN807 Combustible Gas Detector of Detection Various Flammable Gases Sound And Light Alarm 50~10000PPM Methane Detection
Mobutofu Gas Furnace Flame Sensor Rod with Quick Response for Burner Flame Detection $11.55
$1155
current price $11.55Mobutofu Gas Furnace Flame Sensor Rod with Quick Response for Burner Flame Detection
Universal Security Instruments, Sensing Plus, Hardwired Smoke & Fire Alarm, Multi-Criteria Detection, with 10 Year Battery Backup From $34.94
2 options
Available in additional 2 optionsFrom$3494
Universal Security Instruments, Sensing Plus, Hardwired Smoke & Fire Alarm, Multi-Criteria Detection, with 10 Year Battery Backup
1214.2 out of 5 Stars. 121 reviews
Save with
SITERWELL Hardwired Interconnected Smoke Detector, Photoelectric Smoke Alarm with 9V Backup Battery, Fire Alarm with Test/Silence Button, ETL Listed, GS562A, 1 Pack From $26.21
9 options
Available in additional 9 optionsFrom$2621
SITERWELL Hardwired Interconnected Smoke Detector, Photoelectric Smoke Alarm with 9V Backup Battery, Fire Alarm with Test/Silence Button, ETL Listed, GS562A, 1 Pack
1374.4 out of 5 Stars. 137 reviews
Save with
Fireboy-Xintex Gasoline Fume Detector w/Blower Control - Chrome Bez... [G-1CB-R] $352.42
![Fireboy-Xintex Gasoline Fume Detector w/Blower Control - Chrome Bez... [G-1CB-R]](https://i5.walmartimages.com/seo/Fireboy-Xintex-Gasoline-Fume-Detector-w-Blower-Control-Chrome-Bezel-12V_c8ca4be0-04eb-454a-a0a4-3a4d79d6cb04_1.04cae87eeb0aff1a8c32124e52aa474a.jpeg?odnHeight=576&odnWidth=576&odnBg=FFFFFF)
$35242
current price $352.42Fireboy-Xintex Gasoline Fume Detector w/Blower Control - Chrome Bez... [G-1CB-R]
Fireboy-Xintex Gasoline Fume Detector & Alarm - Black $309.84
$30984
current price $309.84Fireboy-Xintex Gasoline Fume Detector & Alarm - Black
USI 3-in-1 Smoke, Photoelectric and Ionization Fire and Carbon Monoxide Smart Alarm with 10 Year Sealed Battery, 85 Decibels $99.99
$9999
current price $99.99USI 3-in-1 Smoke, Photoelectric and Ionization Fire and Carbon Monoxide Smart Alarm with 10 Year Sealed Battery, 85 Decibels
474.3 out of 5 Stars. 47 reviews
Save with
SITERWELL Smoke Detector Carbon Monoxide Detector Combo,Reduced Nuisance, Bilingual Voice Alerts,1 pack From $52.99
3 options
Available in additional 3 optionsFrom$5299
SITERWELL Smoke Detector Carbon Monoxide Detector Combo,Reduced Nuisance, Bilingual Voice Alerts,1 pack
504.5 out of 5 Stars. 50 reviews
Save with
TripleHBB 6-in-1 Combustible Gas Detector,Gas Detector 6 in 1 CO Smoke Combustible Alarm Plug In with LCD Display for Home RV Camping From $31.85
From$3185
TripleHBB 6-in-1 Combustible Gas Detector,Gas Detector 6 in 1 CO Smoke Combustible Alarm Plug In with LCD Display for Home RV Camping
SITERWELL Hardwired Interconnected Smoke Detector Carbon Monoxide Detector Combo with 2 AA Batteries Back Up, 2 in 1 Smoke and CO Detector with Voice Alert, Smoke and CO Alarm with Self-Check, 1 Pack From $41.39
3 options
Available in additional 3 optionsFrom$4139
SITERWELL Hardwired Interconnected Smoke Detector Carbon Monoxide Detector Combo with 2 AA Batteries Back Up, 2 in 1 Smoke and CO Detector with Voice Alert, Smoke and CO Alarm with Self-Check, 1 Pack
404.2 out of 5 Stars. 40 reviews
Save with
Rely Essentials 4500 Smoke Alarm - Battery Operated Photoelectric Sensor Smoke Detector - Compact 4-Inch Design - Home Fire Protection - Easy Installation - 1 Pack $25.49
$2549
current price $25.49Rely Essentials 4500 Smoke Alarm - Battery Operated Photoelectric Sensor Smoke Detector - Compact 4-Inch Design - Home Fire Protection - Easy Installation - 1 Pack
124.6 out of 5 Stars. 12 reviews
Save with
SITERWELL Hardwired Smoke & Carbon Monoxide Detector Combo,10 Year Battery,UL217-9th,Interconnected,Bilingual Voice Alerts,6.1in*1.65in.1 pack From $35.14
3 options
Available in additional 3 optionsFrom$3514
SITERWELL Hardwired Smoke & Carbon Monoxide Detector Combo,10 Year Battery,UL217-9th,Interconnected,Bilingual Voice Alerts,6.1in*1.65in.1 pack
64.3 out of 5 Stars. 6 reviews
Save with
BRK Hard-Wired w/Battery Back-Up Ionization Smoke and Carbon Monoxide Detector Was $64.00
BRK Hard-Wired w/Battery Back-Up Ionization Smoke and Carbon Monoxide Detector
674.4 out of 5 Stars. 67 reviews
Save with
BRK Hard-Wired w/Battery Back-up Ionization Smoke Detector $24.99 Was $29.00
Now$2499
current price Now $24.99, Was $29.00$29.00
BRK Hard-Wired w/Battery Back-up Ionization Smoke Detector
1454.7 out of 5 Stars. 145 reviews
Universal Security Instruments, Sensing Plus, Hardwired, Combo Smoke, Fire & Carbon Monoxide Alarm, with 10-Year Battery Backup From $59.00
2 options
Available in additional 2 optionsFrom$5900
Universal Security Instruments, Sensing Plus, Hardwired, Combo Smoke, Fire & Carbon Monoxide Alarm, with 10-Year Battery Backup
924.3 out of 5 Stars. 92 reviews
Save with
Universal Security Instruments, Sensing Plus, Combo Smoke, Fire & Carbon Monoxide Alarm, Multi-Criteria Detection, with 10-Year Battery, 4 Pack From $57.91
2 options
Available in additional 2 optionsFrom$5791
Universal Security Instruments, Sensing Plus, Combo Smoke, Fire & Carbon Monoxide Alarm, Multi-Criteria Detection, with 10-Year Battery, 4 Pack
254.5 out of 5 Stars. 25 reviews
Save with
Popular in Flame Detectors
Related Products
SITERWELL Hardwired Smoke & Carbon Monoxide Detector Combo,10 Year Battery,UL217-9th,Interconnected,Bilingual Voice Alerts,6.1in*1.65in.1 pack
SITERWELL Hardwired Smoke & Carbon Monoxide Detector Combo,10 Year Battery,UL217-9th,Interconnected,Bilingual Voice Alerts,6.1in*1.65in.1 pack$35.14current price $35.14Electronic Alarm, Alarm, Continuous, 12 to 24V AC/DC, 0 to 105dB, ABS Plastic, Black, Surface Mount
Electronic Alarm, Alarm, Continuous, 12 to 24V AC/DC, 0 to 105dB, ABS Plastic, Black, Surface Mount$229.89current price $229.89SITERWELL Smoke Detector 10 Year Battery Operated,Photoelectric,Rlectrochemical Sensors, Bilingual Voice Alerts for Bedroom, UL217-9th , 2 Packs
SITERWELL Smoke Detector 10 Year Battery Operated,Photoelectric,Rlectrochemical Sensors, Bilingual Voice Alerts for Bedroom, UL217-9th , 2 Packs$47.99current price $47.99First Alert Hardwired Smoke Alarm with Battery Backup 6 PACK
First Alert Hardwired Smoke Alarm with Battery Backup 6 PACK$122.43current price $122.43Fire Alarm Being Activated Poster Print - 18 x 24 in.
Fire Alarm Being Activated Poster Print - 18 x 24 in.$40.25current price $40.25TOPTES Carbon Monoxide Detector CT-300, Handheld CO Alarm with Backlit LCD Display and Audible Visual Alerts, for Home, Car, Camping and Travel
TOPTES Carbon Monoxide Detector CT-300, Handheld CO Alarm with Backlit LCD Display and Audible Visual Alerts, for Home, Car, Camping and Travel$45.99current price $45.99Buzzer, Buzzer, Pulse, 115 to 230V AC, 80 dB, Fiberglass, Black, Wall Mount 10701060
Buzzer, Buzzer, Pulse, 115 to 230V AC, 80 dB, Fiberglass, Black, Wall Mount 10701060$80.03current price $80.03First Alert PRC710, White Battery, Photoelectric Carbon Monoxide & Smoke Combination Alarm
First Alert PRC710, White Battery, Photoelectric Carbon Monoxide & Smoke Combination Alarm$54.99current price $54.99TONAIN 90 dB, White Magnetic Household Sensors & Alarms
TONAIN 90 dB, White Magnetic Household Sensors & Alarms$4.48current price $4.48First Alert SMI105-AC, Interconnect Hardwire Smoke Alarm with 10-Year Battery Backup
First Alert SMI105-AC, Interconnect Hardwire Smoke Alarm with 10-Year Battery Backup$30.37current price $30.37First Alert BRK SMI100-AC, Hardwire Interconnect Smoke Alarm with Battery Backup
First Alert BRK SMI100-AC, Hardwire Interconnect Smoke Alarm with Battery Backup$19.81current price $19.81Fire Extinguisher Alarm,12V,Polycrbonate STI-6200R
Fire Extinguisher Alarm,12V,Polycrbonate STI-6200R$55.59current price $55.59First Alert SMI100-AC, Hardwire Interconnect Smoke Alarm with Battery Backup, 3-Pack
First Alert SMI100-AC, Hardwire Interconnect Smoke Alarm with Battery Backup, 3-Pack$49.97current price $49.97