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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(61)
Uses item details. Price when purchased online
SITERWELL Smoke Detector, 10 Year Battery,Photoelectric Sensor, Fire Alarm,Low Battery,12 Packs From $23.68
Sponsored
From$2368
SITERWELL Smoke Detector, 10 Year Battery,Photoelectric Sensor, Fire Alarm,Low Battery,12 Packs
1984.4 out of 5 Stars. 198 reviews
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(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
1204.2 out of 5 Stars. 120 reviews
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Universal Security Instruments Inc Sensing Plus, Smoke and Fire Alarm, Multi-Criteria Detection, with 10 Year Sealed Battery $27.97
Sponsored
$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
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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
8074.5 out of 5 Stars. 807 reviews
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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
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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
314.3 out of 5 Stars. 31 reviews
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Smoke Alarm Detector Home Fire Safety Sensor Alert
Smoke Alarm Detector Home Fire Safety Sensor Alert
434.1 out of 5 Stars. 43 reviews
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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 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
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SITERWELL Smoke Detector, Magnetic Fastening Kit, Smoke Alarm, Photoelectric ,Low Battery Warning Function, 1 Pack From $19.12
9 options
Available in additional 9 optionsFrom$1912
SITERWELL Smoke Detector, Magnetic Fastening Kit, Smoke Alarm, Photoelectric ,Low Battery Warning Function, 1 Pack
5584.4 out of 5 Stars. 558 reviews
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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
Best seller 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
2804.5 out of 5 Stars. 280 reviews
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Estrotect Heat Detector w/Bullseye $79.99
Sponsored
$7999
current price $79.99Estrotect Heat Detector w/Bullseye
15 out of 5 Stars. 1 reviews
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
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Long-distance Three-channel Infrared Ultraviolet Flame Detector Open Flame Alarm Infrared Flame Detector From $1,007.64
From$1,00764
Long-distance Three-channel Infrared Ultraviolet Flame Detector Open Flame Alarm Infrared Flame Detector
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
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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
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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
DETECTOR CAD CELL FLAME (Pack of 1)
DETECTOR CAD CELL FLAME (Pack of 1)
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
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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
1623.8 out of 5 Stars. 162 reviews
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GE WE4X448 Flame Detector - OEM Part $76.34
$7634
current price $76.34GE WE4X448 Flame Detector - OEM Part
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
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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
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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
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Neuco Flame Sensor, 23543-01 $22.86
$2286
current price $22.86Neuco Flame Sensor, 23543-01
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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
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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]
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
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
1254.5 out of 5 Stars. 125 reviews
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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
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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
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
1204.2 out of 5 Stars. 120 reviews
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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]
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
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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
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Fireboy-Xintex Gasoline Fume Detector & Alarm - Black $309.84
$30984
current price $309.84Fireboy-Xintex Gasoline Fume Detector & Alarm - Black
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
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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
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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
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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
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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
1424.7 out of 5 Stars. 142 reviews
Best seller Kidde Battery-Operated 4-inch Smoke Detector & Carbon Monoxide Value Pack, Batteries Included
3 options
Available in additional 3 optionsKidde Battery-Operated 4-inch Smoke Detector & Carbon Monoxide Value Pack, Batteries Included
7754.5 out of 5 Stars. 775 reviews
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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
914.3 out of 5 Stars. 91 reviews
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BRK Battery-Powered Ionization Smoke Detector $19.95
$1995
current price $19.95BRK Battery-Powered Ionization Smoke Detector
234.3 out of 5 Stars. 23 reviews
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Fireboy G-1BB-R 1-Channel Gasoline Fume Detector with Sensor & 10 Amp Relay to Start Blower $345.81
$34581
current price $345.81Fireboy G-1BB-R 1-Channel Gasoline Fume Detector with Sensor & 10 Amp Relay to Start Blower
Plug-in 4-in-1 Combustible Gas Leak Sensor with Digital Display, Voice Alarm & Real-Time Temp/Humidity Monitor for Home, Kitchen, RV
Plug-in 4-in-1 Combustible Gas Leak Sensor with Digital Display, Voice Alarm & Real-Time Temp/Humidity Monitor for Home, Kitchen, RV
Shelly Gas LPG Liquefied Petroleum Gas Sensor, WiFi with Sound and Light Alarm $69.99
$6999
current price $69.99Shelly Gas LPG Liquefied Petroleum Gas Sensor, WiFi with Sound and Light Alarm
11 out of 5 Stars. 1 reviews
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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$30.43current price $30.43First 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