Propane Detector(226)
Uses item details. Price when purchased online
Best seller GasKnight Natural Gas Detector & Propane Detector. Natural Gas Leak Detection and Monitor for Home, Kitchen, Camper, Trailer or RV. Plug-In Gas Leak Sensor for LPG, LNG, Methane & Butane Gases From $35.99
Sponsored
From$3599
GasKnight Natural Gas Detector & Propane Detector. Natural Gas Leak Detection and Monitor for Home, Kitchen, Camper, Trailer or RV. Plug-In Gas Leak Sensor for LPG, LNG, Methane & Butane Gases
574.7 out of 5 Stars. 57 reviews
Deal TOPTES PT210S Natural Gas Leak Detector with 4-inch Probe. Detector for Natural Gas, Propane, Methane, and LPG, Measures Gas Concentration (%LEL), for Home Use $25.18 Was $36.99
Sponsored
Now$2518
current price Now $25.18, Was $36.99$36.99
TOPTES PT210S Natural Gas Leak Detector with 4-inch Probe. Detector for Natural Gas, Propane, Methane, and LPG, Measures Gas Concentration (%LEL), for Home Use
204.7 out of 5 Stars. 20 reviews
Explosion-Proof Natural Gas Detector - Ultra-Sensitive CH4/Propane Gas Leak Alert with 85dB Siren & Strobe Light, $36.99
Sponsored
$3699
current price $36.99Explosion-Proof Natural Gas Detector - Ultra-Sensitive CH4/Propane Gas Leak Alert with 85dB Siren & Strobe Light,
34.3 out of 5 Stars. 3 reviews
LUXY SONIC 4-in-1 Combustible Gas & C O Detector with Temperature and Humidity Display, Plug-in Portable Gas Leak Alarm for Home, Apartment, Hotel, Camping, RV(1 Pack) From $35.97
Sponsored
From$3597
LUXY SONIC 4-in-1 Combustible Gas & C O Detector with Temperature and Humidity Display, Plug-in Portable Gas Leak Alarm for Home, Apartment, Hotel, Camping, RV(1 Pack)
Deal Fixdono Natural Propane Gas Detector, Home Gas Alarm and Monitor, Leak Alarm for LNG, LPG, Methane in Kitchen, Home, Camper $15.29 Was $31.99
Now$1529
current price Now $15.29, Was $31.99$31.99
Fixdono Natural Propane Gas Detector, Home Gas Alarm and Monitor, Leak Alarm for LNG, LPG, Methane in Kitchen, Home, Camper
1524.5 out of 5 Stars. 152 reviews
Best seller GasKnight Natural Gas Detector & Propane Detector. Natural Gas Leak Detection and Monitor for Home, Kitchen, Camper, Trailer or RV. Plug-In Gas Leak Sensor for LPG, LNG, Methane & Butane Gases
2 options
Available in additional 2 optionsGasKnight Natural Gas Detector & Propane Detector. Natural Gas Leak Detection and Monitor for Home, Kitchen, Camper, Trailer or RV. Plug-In Gas Leak Sensor for LPG, LNG, Methane & Butane Gases
574.7 out of 5 Stars. 57 reviews
Flash Deal 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 $15.96 Was $31.99
Now$1596
current price Now $15.96, 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
2804.4 out of 5 Stars. 280 reviews
Deal TOPTES Natural Gas Detector PT199, Handheld Gas Sniffer for Propane Methane Butane LPG with Sound and Visual Alarm, Use for Home Kitchen, Garage, RV Camper $19.54 Was $29.99
Now$1954
current price Now $19.54, Was $29.99$29.99
TOPTES Natural Gas Detector PT199, Handheld Gas Sniffer for Propane Methane Butane LPG with Sound and Visual Alarm, Use for Home Kitchen, Garage, RV Camper
844.6 out of 5 Stars. 84 reviews
Fixdono High Sensitivity Natural Gas Detector, Plug-in Gas Monitor for Home Safety $15.29 Was $29.99
Now$1529
current price Now $15.29, Was $29.99$29.99
Fixdono High Sensitivity Natural Gas Detector, Plug-in Gas Monitor for Home Safety
734.2 out of 5 Stars. 73 reviews
4-in-1 Gas Detector Portable Propane Natural Leak Alarm with HD Screen for Home Apartment Hotel Camping RV Safety Monitor
4-in-1 Gas Detector Portable Propane Natural Leak Alarm with HD Screen for Home Apartment Hotel Camping RV Safety Monitor
Deal TOPTES Handheld Natural Gas Leak Detector with 17 Inch Gooseneck PT520A , Detects Natural Gas Methane Propane and Butane, Audible and Visual Alarm From $33.99
Sponsored
From$3399
TOPTES Handheld Natural Gas Leak Detector with 17 Inch Gooseneck PT520A , Detects Natural Gas Methane Propane and Butane, Audible and Visual Alarm
734.6 out of 5 Stars. 73 reviews
100+ bought since yesterday Kidde AC Plug-In Carbon Monoxide Detector with Battery Backup, CO Alarm with LED Light Indicators From $27.47
Sponsored
From$2747
Kidde AC Plug-In Carbon Monoxide Detector with Battery Backup, CO Alarm with LED Light Indicators
18054.7 out of 5 Stars. 1805 reviews
CAZONER Natural Gas Detector, 10-Year Lifespan, Home Kitchen RV Methane & Propane Alarm, LCD Screen $32.98
$3298
current price $32.98CAZONER Natural Gas Detector, 10-Year Lifespan, Home Kitchen RV Methane & Propane Alarm, LCD Screen
54.2 out of 5 Stars. 5 reviews
Deal TOPTES PT177 Portable Natural Gas Leak Detector with Audible and Visual Alarm, Gas Leak Security Detection Detector for Home $15.10 Was $24.99
Now$1510
current price Now $15.10, Was $24.99$24.99
TOPTES PT177 Portable Natural Gas Leak Detector with Audible and Visual Alarm, Gas Leak Security Detection Detector for Home
514.7 out of 5 Stars. 51 reviews
First Alert GCO1CN Combination Explosive Gas and Carbon Monoxide Alarm with Backlit Digital Display $50.45 Was $62.99
Now$5045
current price Now $50.45, Was $62.99$62.99
First Alert GCO1CN Combination Explosive Gas and Carbon Monoxide Alarm with Backlit Digital Display
884.4 out of 5 Stars. 88 reviews
GJX Gas Tester Detector Natural Explosive Combustible Gas Propane Detector Alarm for Home Kitchen $11.77
$1177
current price $11.77GJX Gas Tester Detector Natural Explosive Combustible Gas Propane Detector Alarm for Home Kitchen
Deal TOPTES Handheld Natural Gas Leak Detector with 17 Inch Gooseneck PT520A , Detects Natural Gas Methane Propane and Butane, Audible and Visual Alarm From $33.99
2 options
Available in additional 2 optionsFrom$3399
TOPTES Handheld Natural Gas Leak Detector with 17 Inch Gooseneck PT520A , Detects Natural Gas Methane Propane and Butane, Audible and Visual Alarm
734.6 out of 5 Stars. 73 reviews
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
$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
Gas detector,1 Propane And Combustible In 1 Propane Temperature Rv And Combustible Rv Propane Methane Rv Natural 1 Rv Leak Temperature Natural Rv 3 In Leak Natural Temperature And $34.53
$3453
current price $34.53Gas detector,1 Propane And Combustible In 1 Propane Temperature Rv And Combustible Rv Propane Methane Rv Natural 1 Rv Leak Temperature Natural Rv 3 In Leak Natural Temperature And
12V RV Propane Gas Detector Alarm for Camper, Motorhome, Marine - LPG Natural Gas Leak Sensor with LED & Audible Alert $9.69 Was $10.80
Now$969
current price Now $9.69, Was $10.80$10.80
12V RV Propane Gas Detector Alarm for Camper, Motorhome, Marine - LPG Natural Gas Leak Sensor with LED & Audible Alert
15 out of 5 Stars. 1 reviews
Estrotect Heat Detector w/Bullseye $79.99
Sponsored
$7999
current price $79.99Estrotect Heat Detector w/Bullseye
15 out of 5 Stars. 1 reviews
Elitech WJL-6000S Feron Leak Detector + LMC-210 Wireless Refrigerant Charging Scale 220lbs $178.99
Sponsored
$17899
current price $178.99Elitech WJL-6000S Feron Leak Detector + LMC-210 Wireless Refrigerant Charging Scale 220lbs
Deal TOPTES PT210S Natural Gas Leak Detector with 4-inch Probe. Detector for Natural Gas, Propane, Methane, and LPG, Measures Gas Concentration (%LEL), for Home Use $25.18 Was $36.99
Now$2518
current price Now $25.18, Was $36.99$36.99
TOPTES PT210S Natural Gas Leak Detector with 4-inch Probe. Detector for Natural Gas, Propane, Methane, and LPG, Measures Gas Concentration (%LEL), for Home Use
204.7 out of 5 Stars. 20 reviews
6-in-1 Portable Gas Detector, Plug-in & Battery Powered CO Smoke Gas Monitor with 2.8" Rotatable HD Screen, 85dB Alarm, High-Precision Sensor for Home, RV, Camping & Car Travel From $26.92
3 options
Available in additional 3 optionsFrom$2692
6-in-1 Portable Gas Detector, Plug-in & Battery Powered CO Smoke Gas Monitor with 2.8" Rotatable HD Screen, 85dB Alarm, High-Precision Sensor for Home, RV, Camping & Car Travel
Rirool Natural Gas Detector with Digital Display, 85dB Alarm, Plug-in Gas Leak Sensor for Home, Kitchen, Restaurant, Hotel, School, Warehouse Safety Monitor $17.66 Was $24.99
Now$1766
current price Now $17.66, Was $24.99$24.99
Rirool Natural Gas Detector with Digital Display, 85dB Alarm, Plug-in Gas Leak Sensor for Home, Kitchen, Restaurant, Hotel, School, Warehouse Safety Monitor
304.8 out of 5 Stars. 30 reviews
Safe-T-Alert. 85-741-WT-TR, 85 Series Universal Dual CO/LP Detector with Trim Ring, White $59.32 $59.32/count
$5932
current price $59.32$59.32/count
Safe-T-Alert. 85-741-WT-TR, 85 Series Universal Dual CO/LP Detector with Trim Ring, White
43.8 out of 5 Stars. 4 reviews
EchoCheck Smart Propane Gas Tank Sensor $39.99
$3999
current price $39.99EchoCheck Smart Propane Gas Tank Sensor
234 out of 5 Stars. 23 reviews
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
Explosion-Proof Natural Gas Detector - Ultra-Sensitive CH4/Propane Gas Leak Alert with 85dB Siren & Strobe Light, $36.99
$3699
current price $36.99Explosion-Proof Natural Gas Detector - Ultra-Sensitive CH4/Propane Gas Leak Alert with 85dB Siren & Strobe Light,
34.3 out of 5 Stars. 3 reviews
4-in-1 Gas Detector Portable Propane Natural Leak Alarm with HD Screen for Home Apartment Hotel Camping RV Safety Monitor From $21.58
From$2158
4-in-1 Gas Detector Portable Propane Natural Leak Alarm with HD Screen for Home Apartment Hotel Camping RV Safety Monitor
15 out of 5 Stars. 1 reviews
Natural Gas Detector CH4/Propane/Methane,Natural Gas Leak Alarm with LED Light & Audible Alert,Battery Powered Gas Monitor for Home/RV/Kitchen/Apartment Safety (Battery Included) $41.99
Sponsored
$4199
current price $41.99Natural Gas Detector CH4/Propane/Methane,Natural Gas Leak Alarm with LED Light & Audible Alert,Battery Powered Gas Monitor for Home/RV/Kitchen/Apartment Safety (Battery Included)
15 out of 5 Stars. 1 reviews
Veevvio Natural Gas Leak Detector with 11-inch Gooseneck, Gas Sniffer for Home RV Propane Methane, ABS Material (Includes Battery x6) $25.19 Was $27.99
Sponsored
Now$2519
current price Now $25.19, Was $27.99$27.99
Veevvio Natural Gas Leak Detector with 11-inch Gooseneck, Gas Sniffer for Home RV Propane Methane, ABS Material (Includes Battery x6)
NTI E-GD-MBP-P Gas Detector, Powered - Methane, Butane, Propane w/2-Yr Warranty $420.00
$42000
current price $420.00NTI E-GD-MBP-P Gas Detector, Powered - Methane, Butane, Propane w/2-Yr Warranty
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]
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
yotijay Detector 85dB Plug in Detecting Portable Gas Sniffer Methane Propane Butane for Industrial RV Kitchen Home $17.99
$1799
current price $17.99yotijay Detector 85dB Plug in Detecting Portable Gas Sniffer Methane Propane Butane for Industrial RV Kitchen Home
4-in-1 Gas Detector Portable Propane Natural Leak Alarm with HD Screen for Home Apartment Hotel Camping RV Safety Monitor
4-in-1 Gas Detector Portable Propane Natural Leak Alarm with HD Screen for Home Apartment Hotel Camping RV Safety Monitor
MTI Industries MTI30-442-P-BL Propane Alarm - Black Flush Mount 12 Vdc Hard Wire $72.99
$7299
current price $72.99MTI Industries MTI30-442-P-BL Propane Alarm - Black Flush Mount 12 Vdc Hard Wire
BotaniNest Natural Detector Home Alarm And Propane Detector And Leak Alarm For Lng Lpg Methane Detection In Kitchen Home Camper $15.09
$1509
current price $15.09BotaniNest Natural Detector Home Alarm And Propane Detector And Leak Alarm For Lng Lpg Methane Detection In Kitchen Home Camper
Veevvio Natural Gas Leak Detector with 11-inch Gooseneck, Gas Sniffer for Home RV Propane Methane, ABS Material (Includes Battery x6) $25.19 Was $27.99
Now$2519
current price Now $25.19, Was $27.99$27.99
Veevvio Natural Gas Leak Detector with 11-inch Gooseneck, Gas Sniffer for Home RV Propane Methane, ABS Material (Includes Battery x6)
WiFi Gas Leak Alarm Household Smart Gas Detector Combustible Gas Leakage Detecting Sensor for Natural Gas Biogas Methane SmartLife APP Remote Control APP Notification Pushing $22.35
$2235
current price $22.35WiFi Gas Leak Alarm Household Smart Gas Detector Combustible Gas Leakage Detecting Sensor for Natural Gas Biogas Methane SmartLife APP Remote Control APP Notification Pushing
Veevvio Handheld Natural Gas Detector HK506A Propane Methane Butane LPG Leak Sniffer with Sound and Visual Alarm $17.09 Was $18.99
Now$1709
current price Now $17.09, Was $18.99$18.99
Veevvio Handheld Natural Gas Detector HK506A Propane Methane Butane LPG Leak Sniffer with Sound and Visual Alarm
MTI Industries 35-742-BR Safe-T-Alert 35 Series 12V Brown Flush Mount Dual RV Propane/LP & Carbon Monoxide Alarm
MTI Industries 35-742-BR Safe-T-Alert 35 Series 12V Brown Flush Mount Dual RV Propane/LP & Carbon Monoxide Alarm
764.5 out of 5 Stars. 76 reviews
4 in 1 Gas Detector Was $26.68
4 in 1 Gas Detector
GJX WiFi Gas Leak Alarm Household Smart Gas Detector Combustible Gas Leakage Detecting Sensor for Natural Gas Biogas Methane Smart APP Remote Control APP Notification $20.10
$2010
current price $20.10GJX WiFi Gas Leak Alarm Household Smart Gas Detector Combustible Gas Leakage Detecting Sensor for Natural Gas Biogas Methane Smart APP Remote Control APP Notification
2026 New 4-in-1 Detector with HD Screen | Precision Gas Detector with Instant Alerts & HD Visualization（White） From $19.69
From$1969
2026 New 4-in-1 Detector with HD Screen | Precision Gas Detector with Instant Alerts & HD Visualization（White）
11 out of 5 Stars. 1 reviews
4-in-1 CO & Gas Detector with HD Digital Display, Temperature & Humidity Monitor, Portable Safety Alarm Sensor for Home, RV, Hotel & Camping (Black) From $21.48
From$2148
4-in-1 CO & Gas Detector with HD Digital Display, Temperature & Humidity Monitor, Portable Safety Alarm Sensor for Home, RV, Hotel & Camping (Black)
13 out of 5 Stars. 1 reviews
Gas Detector PCE-GA 12 $336.00
$33600
current price $336.00Gas Detector PCE-GA 12
Jb Industries Combustible Gas Detector,Alarm LDC-4000 $438.19 Was $475.89
Now$43819
current price Now $438.19, Was $475.89$475.89
Jb Industries Combustible Gas Detector,Alarm LDC-4000
Natural Gas Leak Detector Portable Gas Sniffer with Audible and Visual Alarm Handheld Natural Gas Detector Sensitive Gas Leak Detector for Methane Propane Butane
Natural Gas Leak Detector Portable Gas Sniffer with Audible and Visual Alarm Handheld Natural Gas Detector Sensitive Gas Leak Detector for Methane Propane Butane
25 out of 5 Stars. 2 reviews
Popular in Propane Detector
Related Products
Rirool Natural Gas Detector with Digital Display, 85dB Alarm, Plug-in Gas Leak Sensor for Home, Kitchen, Restaurant, Hotel, School, Warehouse Safety Monitor
Rirool Natural Gas Detector with Digital Display, 85dB Alarm, Plug-in Gas Leak Sensor for Home, Kitchen, Restaurant, Hotel, School, Warehouse Safety Monitor$17.66current price $17.66INTBUYING 4-20mA Smart Water Level Sensor Pressure Transducer Pressure Range 0-30M
INTBUYING 4-20mA Smart Water Level Sensor Pressure Transducer Pressure Range 0-30M$119.00current price $119.00Electronic 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 $229.89Honeywell Home ASC-SS1 Two-Wire Glass Break Shock Detector
Honeywell Home ASC-SS1 Two-Wire Glass Break Shock Detector$30.99current price $30.99Bea Active Infrared Sensor for Request 10R2E-100
Bea Active Infrared Sensor for Request 10R2E-100$180.99current price $180.991-pack Zircon Leak Alert Electronic Water Detector - 85 dB Water Alarm, Low Battery Indicator - 1 Pack — Residential Use, Standard Application
1-pack Zircon Leak Alert Electronic Water Detector - 85 dB Water Alarm, Low Battery Indicator - 1 Pack — Residential Use, Standard Application$25.79current price $25.79Allegro Industries 9872-02B CO Monitor for Wall Air
Allegro Industries 9872-02B CO Monitor for Wall Air$1654.41current price $1654.415-pack Zircon Leak Alert Electronic Water Leak Detector - 85 dB Automatic - 5 Pack — Residential Use, Standard Application
5-pack Zircon Leak Alert Electronic Water Leak Detector - 85 dB Automatic - 5 Pack — Residential Use, Standard Application$99.69current price $99.69SITERWELL 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$38.93current price $38.93Inkird Home Radon Detector, Portable Radon Meter, Short-Term and Long-Term Accurate Monitoring 2-Year Battery,White
Inkird Home Radon Detector, Portable Radon Meter, Short-Term and Long-Term Accurate Monitoring 2-Year Battery,White$89.99current price $89.99SITERWELL 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 $47.99Zircon Leak Alert WiFi Smart Water Detector
Zircon Leak Alert WiFi Smart Water Detector$45.86current price $45.86Siterwell AA Battery Operated Carbon Monoxide Detector Alarm, LCD Display,Portable for Travel Home,1-pack
Siterwell AA Battery Operated Carbon Monoxide Detector Alarm, LCD Display,Portable for Travel Home,1-pack$25.78current price $25.78Zircon Zircon Leak Alert Electronic Water Detector
Zircon Zircon Leak Alert Electronic Water Detector$128.29current price $128.29Gas tester,Combustible Testers Methane Alarm With Display Tools Sound Display Meter Leak Methane Testers Handheld Methane Combustible Testers Alarm Tester Handheld Sound Display Alarm
Gas tester,Combustible Testers Methane Alarm With Display Tools Sound Display Meter Leak Methane Testers Handheld Methane Combustible Testers Alarm Tester Handheld Sound Display Alarm$22.69current price $22.69