Gas leak detectors

500+ products

Don’t forget to check the detection range and the type of gas supported to ensure the detector meets your specific safety needs.

1x Carbon Monoxide Smoke Detector, XU, Smoke Detector, Carbon Monoxide Alarm - (1/4)

1x Carbon Monoxide Smoke Detector, XU, Smoke Detector, Carbon Monoxide Alarm - (2/4)

1x Carbon Monoxide Smoke Detector, XU, Smoke Detector, Carbon Monoxide Alarm -

~~£49.76~~

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2 Pack Battery Operated Carbon Monoxide Detector with Digital LCD Display for Home, Kitchen, Restaurant, Hotel, Office - Batteries Not Included (1/5)

2 Pack Battery Operated Carbon Monoxide Detector with Digital LCD Display for Home, Kitchen, Restaurant, Hotel, Office - Batteries Not Included (2/5)

2 Pack Battery Operated Carbon Monoxide Detector with Digital LCD Display for Home, Kitchen, Restaurant, Hotel, Office - Batteries Not Included (3/5)

2 Pack Battery Operated Carbon Monoxide Detector with Digital LCD Display for Home, Kitchen, Restaurant, Hotel, Office - Batteries Not Included

~~£49.58~~

Free shipping

Gas Detector, LPG/Natural Gas/Coal Leak Detector, Plug-in Sensor Monitor with Audible Alarm and LED Digital Display, Methane, Propane, and Butane Fuel Gas Alarm (1/5)

Gas Detector, LPG/Natural Gas/Coal Leak Detector, Plug-in Sensor Monitor with Audible Alarm and LED Digital Display, Methane, Propane, and Butane Fuel Gas Alarm

~~£44.94~~

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12V Gas Alarm Sensor Propane Butane LPG Alarm Natural Motorhome (1/4)

12V Gas Alarm Sensor Propane Butane LPG Alarm Natural Motorhome (2/4)

12V Gas Alarm Sensor Propane Butane LPG Alarm Natural Motorhome

~~£49.58~~

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Pr WJL-6000 Halogen Leak Detector - Halogen Leak Monitor - R134a/R22a Air Conditioning Monitor-WJL-6000 (1/4)

Pr WJL-6000 Halogen Leak Detector - Halogen Leak Monitor - R134a/R22a Air Conditioning Monitor-WJL-6000 (2/4)

Pr WJL-6000 Halogen Leak Detector - Halogen Leak Monitor - R134a/R22a Air Conditioning Monitor-WJL-6000

~~£55.13~~

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Gas Alarm Detector Propane Sensor Wireless Gas Leak Detector for Home Security RV Motorhome Marine 12V (1/4)

Gas Alarm Detector Propane Sensor Wireless Gas Leak Detector for Home Security RV Motorhome Marine 12V (2/4)

Gas Alarm Detector Propane Sensor Wireless Gas Leak Detector for Home Security RV Motorhome Marine 12V

~~£52.79~~

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3-in-1 Carbon Monoxide Detector, CO Gas Detector, CO Detector with Temperature and Humidity, Compliant with European Standard EN 50291 (1/4)

3-in-1 Carbon Monoxide Detector, CO Gas Detector, CO Detector with Temperature and Humidity, Compliant with European Standard EN 50291 (2/4)

3-in-1 Carbon Monoxide Detector, CO Gas Detector, CO Detector with Temperature and Humidity, Compliant with European Standard EN 50291

~~£45.18~~

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CO Detector with Digital Display and Replaceable Battery Operation, Carbon Monoxide Detector with Test Button and LED Status Indicator (1/5)

CO Detector with Digital Display and Replaceable Battery Operation, Carbon Monoxide Detector with Test Button and LED Status Indicator (2/5)

CO Detector with Digital Display and Replaceable Battery Operation, Carbon Monoxide Detector with Test Button and LED Status Indicator (3/5)

CO Detector with Digital Display and Replaceable Battery Operation, Carbon Monoxide Detector with Test Button and LED Status Indicator

~~£88.81~~

Free shipping

AS8700A Carbon Monoxide Detector - Toxic Gas - CO Gas Detector - Audible and Visual Alarm - Battery-Free (1/5)

AS8700A Carbon Monoxide Detector - Toxic Gas - CO Gas Detector - Audible and Visual Alarm - Battery-Free (2/5)

AS8700A Carbon Monoxide Detector - Toxic Gas - CO Gas Detector - Audible and Visual Alarm - Battery-Free (3/5)

AS8700A Carbon Monoxide Detector - Toxic Gas - CO Gas Detector - Audible and Visual Alarm - Battery-Free

~~£87.98~~

Free shipping

Carbon monoxide detector, green, 666630mm, portable CO detector alarm, temperature and humidity detector. (1/5)

Carbon monoxide detector, green, 666630mm, portable CO detector alarm, temperature and humidity detector. (2/5)

Carbon monoxide detector, green, 666630mm, portable CO detector alarm, temperature and humidity detector. (3/5)

Carbon monoxide detector, green, 666630mm, portable CO detector alarm, temperature and humidity detector.

~~£89.58~~

Free shipping

Smart Connect Carbon Monoxide Detector - 10-Year Battery Life (1/5)

Smart Connect Carbon Monoxide Detector - 10-Year Battery Life (2/5)

Smart Connect Carbon Monoxide Detector - 10-Year Battery Life (3/5)

Smart Connect Carbon Monoxide Detector - 10-Year Battery Life

~~£63.99~~

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Tuya ZigBee CO Combustible Gas Leak Detector, Portable Carbon Monoxide Leak Tester, Multifunctional Gas Concentration Tester, Home Air Quality Tester, APP Remote Alarm, (1/5)

Tuya ZigBee CO Combustible Gas Leak Detector, Portable Carbon Monoxide Leak Tester, Multifunctional Gas Concentration Tester, Home Air Quality Tester, APP Remote Alarm,

~~£66.69~~

Free shipping

High-precision multi-function gas detector, portable ABS case for kitchen or industrial use (1/5)

High-precision multi-function gas detector, portable ABS case for kitchen or industrial use (2/5)

High-precision multi-function gas detector, portable ABS case for kitchen or industrial use (3/5)

High-precision multi-function gas detector, portable ABS case for kitchen or industrial use

~~£66.69~~

Free shipping

Carbon monoxide detector, camping alarm, 600 dB (1/5)

Carbon monoxide detector, camping alarm, 600 dB (2/5)

Carbon monoxide detector, camping alarm, 600 dB (3/5)

Carbon monoxide detector, camping alarm, 600 dB

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Portable carbon monoxide detector, thermometer and hygrometer with alarm function and emergency flashlight, ideal for camping, travel, car and kitchen. (1/5)

Portable carbon monoxide detector, thermometer and hygrometer with alarm function and emergency flashlight, ideal for camping, travel, car and kitchen.

~~£52.99~~

Free shipping

Portable Carbon Monoxide Detector for Travel Camping Car, Portable CO Alarm, Carbon Monoxide Meter with Built-in Rechargeable Battery, Orange (1/4)

Portable Carbon Monoxide Detector for Travel Camping Car, Portable CO Alarm, Carbon Monoxide Meter with Built-in Rechargeable Battery, Orange (2/4)

Portable Carbon Monoxide Detector for Travel Camping Car, Portable CO Alarm, Carbon Monoxide Meter with Built-in Rechargeable Battery, Orange

~~£61.02~~

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Rechargeable Gas Detector Natural Gas Leak Detector with Visual & Audible Alarm and Vibration Large Screen Portable Multigas Detector Pen for Butane Propane Home RV (1/4)

Rechargeable Gas Detector Natural Gas Leak Detector with Visual & Audible Alarm and Vibration Large Screen Portable Multigas Detector Pen for Butane Propane Home RV

~~£62.77~~

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Carbon Monoxide Detector, Carbon Monoxide Alarm, CO Detector with LED Display (AA Battery Not Included) (1/5)

Carbon Monoxide Detector, Carbon Monoxide Alarm, CO Detector with LED Display (AA Battery Not Included) (2/5)

Carbon Monoxide Detector, Carbon Monoxide Alarm, CO Detector with LED Display (AA Battery Not Included) (3/5)

Carbon Monoxide Detector, Carbon Monoxide Alarm, CO Detector with LED Display (AA Battery Not Included)

~~£58.46~~

Free shipping

Freon Leak Detector Halogen Leak Detector Refrigerant Gas Leak Tester HVAC Air Condition R22 R410A R134A CFC HCFCs High Precision HFCs Indicator WJL-6000 (1/5)

Freon Leak Detector Halogen Leak Detector Refrigerant Gas Leak Tester HVAC Air Condition R22 R410A R134A CFC HCFCs High Precision HFCs Indicator WJL-6000

~~£62.52~~

Free shipping

Carbon Monoxide Detector, Battery Operated, Gas Detector with Display and Temperature Indicator (1/4)

Carbon Monoxide Detector, Battery Operated, Gas Detector with Display and Temperature Indicator (2/4)

Carbon Monoxide Detector, Battery Operated, Gas Detector with Display and Temperature Indicator

~~£57.71~~

Free shipping

Carbon monoxide detector, Battery powered, CO temperature and concentration display, 85 dB alarm, Electrochemical sensor

~~£59.98~~

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Portable professional gas leak detection unit with flexible sensor (1/4)

Portable professional gas leak detection unit with flexible sensor (2/4)

Portable professional gas leak detection unit with flexible sensor

~~£51.79~~

Free shipping

Rechargeable Carbon Monoxide Detector, 3-in-1 Portable CO Alarm (Carbon Monoxide, Temperature, Humidity), for Home, Camping and Caravan (Black) (1/5)

Rechargeable Carbon Monoxide Detector, 3-in-1 Portable CO Alarm (Carbon Monoxide, Temperature, Humidity), for Home, Camping and Caravan (Black) (2/5)

Rechargeable Carbon Monoxide Detector, 3-in-1 Portable CO Alarm (Carbon Monoxide, Temperature, Humidity), for Home, Camping and Caravan (Black) (3/5)

Rechargeable Carbon Monoxide Detector, 3-in-1 Portable CO Alarm (Carbon Monoxide, Temperature, Humidity), for Home, Camping and Caravan (Black)

~~£54.99~~

Free shipping

Wifi Gas Leak Detector - Fire Alarm - Wall-Mounted LCD Screen - Smart App Control - Wifi Natural Gas/LPG Tester - Methane Alarm - Buzzer for Home Office - EU Plug (1/5)

Wifi Gas Leak Detector - Fire Alarm - Wall-Mounted LCD Screen - Smart App Control - Wifi Natural Gas/LPG Tester - Methane Alarm - Buzzer for Home Office - EU Plug

~~£65.58~~

Free shipping

Carbon Monoxide Detector Smoke Detector Home Carbon Monoxide Smoke Detector Low Power (1/5)

Carbon Monoxide Detector Smoke Detector Home Carbon Monoxide Smoke Detector Low Power (2/5)

Carbon Monoxide Detector Smoke Detector Home Carbon Monoxide Smoke Detector Low Power (3/5)

Carbon Monoxide Detector Smoke Detector Home Carbon Monoxide Smoke Detector Low Power

~~£65.58~~

Free shipping

3-in-1 CO2 Detector, Portable Carbon Dioxide Sensor with LCD Screen, Thermo-Hygrometer with Alarm for Family RV, Black (1/5)

3-in-1 CO2 Detector, Portable Carbon Dioxide Sensor with LCD Screen, Thermo-Hygrometer with Alarm for Family RV, Black (2/5)

3-in-1 CO2 Detector, Portable Carbon Dioxide Sensor with LCD Screen, Thermo-Hygrometer with Alarm for Family RV, Black (3/5)

3-in-1 CO2 Detector, Portable Carbon Dioxide Sensor with LCD Screen, Thermo-Hygrometer with Alarm for Family RV, Black

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Carbon monoxide (CO) detector, battery operated, certified (1/5)

Carbon monoxide (CO) detector, battery operated, certified (2/5)

Carbon monoxide (CO) detector, battery operated, certified (3/5)

Carbon monoxide (CO) detector, battery operated, certified

~~£42.91~~

Free shipping

FY8830 Portable Gas Leak Detector, Natural Gas Detector, Combustible Gases, Audible and Visual Alarm, Gas Detector Tool (1/5)

FY8830 Portable Gas Leak Detector, Natural Gas Detector, Combustible Gases, Audible and Visual Alarm, Gas Detector Tool (2/5)

FY8830 Portable Gas Leak Detector, Natural Gas Detector, Combustible Gases, Audible and Visual Alarm, Gas Detector Tool (3/5)

FY8830 Portable Gas Leak Detector, Natural Gas Detector, Combustible Gases, Audible and Visual Alarm, Gas Detector Tool

~~£42.91~~

Free shipping

Natural gas and soporific detector (White) 115x75x35mm 12V (1/5)

Natural gas and soporific detector (White) 115x75x35mm 12V (2/5)

Natural gas and soporific detector (White) 115x75x35mm 12V (3/5)

Natural gas and soporific detector (White) 115x75x35mm 12V

~~£36.62~~

Free shipping

Portable Wi-Fi natural gas detector, compatible with the Tuya smart app, methane gas sensor with 85 dB voice alarm and visual gas concentration warning.--BIEMMEDUE (1/5)

Portable Wi-Fi natural gas detector, compatible with the Tuya smart app, methane gas sensor with 85 dB voice alarm and visual gas concentration warning.--BIEMMEDUE

~~£51.57~~

Free shipping

FLITI 2-Pack Battery-Operated Carbon Monoxide Detectors – LCD Screen – 85 dB Alarm – Electrochemical Sensor – 24/7 Monitoring (1/5)

FLITI 2-Pack Battery-Operated Carbon Monoxide Detectors – LCD Screen – 85 dB Alarm – Electrochemical Sensor – 24/7 Monitoring (2/5)

FLITI 2-Pack Battery-Operated Carbon Monoxide Detectors – LCD Screen – 85 dB Alarm – Electrochemical Sensor – 24/7 Monitoring (3/5)

FLITI 2-Pack Battery-Operated Carbon Monoxide Detectors – LCD Screen – 85 dB Alarm – Electrochemical Sensor – 24/7 Monitoring (4/5)

FLITI 2-Pack Battery-Operated Carbon Monoxide Detectors – LCD Screen – 85 dB Alarm – Electrochemical Sensor – 24/7 Monitoring

~~£34.70~~

Carbon Monoxide Detectors, Carbon Monoxide Detector, CO Alarm, CO Toxic Gas Detectors, for Home/Garage/Caravan - (1/5)

Carbon Monoxide Detectors, Carbon Monoxide Detector, CO Alarm, CO Toxic Gas Detectors, for Home/Garage/Caravan - (2/5)

Carbon Monoxide Detectors, Carbon Monoxide Detector, CO Alarm, CO Toxic Gas Detectors, for Home/Garage/Caravan - (3/5)

Carbon Monoxide Detectors, Carbon Monoxide Detector, CO Alarm, CO Toxic Gas Detectors, for Home/Garage/Caravan -

~~£55.62~~

Free shipping

Natural and soporific gas detector (White) 115x75x35mm (1/4)

Natural and soporific gas detector (White) 115x75x35mm (2/4)

Natural and soporific gas detector (White) 115x75x35mm

~~£45.65~~

Free shipping

Carbon Monoxide Detector, Carbon Monoxide Alarm, CO Detector with LED Display (AA Battery Not Included) (1/4)

Carbon Monoxide Detector, Carbon Monoxide Alarm, CO Detector with LED Display (AA Battery Not Included) (2/4)

Carbon Monoxide Detector, Carbon Monoxide Alarm, CO Detector with LED Display (AA Battery Not Included)

~~£46.56~~

Free shipping

HT621 Portable Carbon Monoxide Detector with Audible and Visual Alarm (0-5000 ppm), Backlit LCD Display, Ideal for Home, Car, Camping and Travel (1/5)

HT621 Portable Carbon Monoxide Detector with Audible and Visual Alarm (0-5000 ppm), Backlit LCD Display, Ideal for Home, Car, Camping and Travel (2/5)

HT621 Portable Carbon Monoxide Detector with Audible and Visual Alarm (0-5000 ppm), Backlit LCD Display, Ideal for Home, Car, Camping and Travel (3/5)

HT621 Portable Carbon Monoxide Detector with Audible and Visual Alarm (0-5000 ppm), Backlit LCD Display, Ideal for Home, Car, Camping and Travel

~~£55.25~~

Free shipping

Carbon Monoxide Alarm Detector and Smoke Detector with Digital LCD Display (1/4)

Carbon Monoxide Alarm Detector and Smoke Detector with Digital LCD Display (2/4)

Carbon Monoxide Alarm Detector and Smoke Detector with Digital LCD Display

~~£42.43~~

Free shipping

1 color: as shown in the picture. Material: ABS + metal oxide sensor 22690-AA43A 22690-A (1/5)

1 color: as shown in the picture. Material: ABS + metal oxide sensor 22690-AA43A 22690-A (2/5)

1 color: as shown in the picture. Material: ABS + metal oxide sensor 22690-AA43A 22690-A (3/5)

1 color: as shown in the picture. Material: ABS + metal oxide sensor 22690-AA43A 22690-A

~~£61.29~~

Free shipping

Gas detector, 12 V gas detector, alarm sensor, propano, butano, GLP, autocaravana natural, furgoneta, color blanco

~~£47.73~~

Free shipping

Plug-in home alarm for liquefied petroleum gas/natural gas/methane/propane/butane, with digital display. (1/4)

Plug-in home alarm for liquefied petroleum gas/natural gas/methane/propane/butane, with digital display. (2/4)

Plug-in home alarm for liquefied petroleum gas/natural gas/methane/propane/butane, with digital display.

~~£43.99~~

Free shipping

DET-GN101 Natural and Anesthetic Gas Detector (White) (1/5)

DET-GN101 Natural and Anesthetic Gas Detector (White) (2/5)

DET-GN101 Natural and Anesthetic Gas Detector (White) (3/5)

DET-GN101 Natural and Anesthetic Gas Detector (White)

~~£44.73~~

Free shipping

Carbon monoxide leak detector electrochemical sensor, 3-digit LCD display, sound and light alarm, LED indicators, fault self-test, low battery reminder, memory functions, d (1/5)

Carbon monoxide leak detector electrochemical sensor, 3-digit LCD display, sound and light alarm, LED indicators, fault self-test, low battery reminder, memory functions, d

~~£50.56~~

Free shipping

Digital Natural Gas Detector, Home Gas Alarm, Gas Leak Detector, High Sensitivity LPG, LNG, Natural Coal Leak Detection, Alarm Monitor for Home/Kitchen (1/5)

Digital Natural Gas Detector, Home Gas Alarm, Gas Leak Detector, High Sensitivity LPG, LNG, Natural Coal Leak Detection, Alarm Monitor for Home/Kitchen

~~£50.17~~

Free shipping

Digital Natural Gas Detector, Home Gas Alarm, Gas Leak Detector, High Sensitivity LPG, LNG, Natural Coal Leak Detection, Alarm Monitor for Home/Kitchen

~~£50.95~~

Free shipping

Sensor Smart detector of Leak of gas combustibles portable tester of Leak of gas natural gas Portable,Detection Versatile (1/5)

Sensor Smart detector of Leak of gas combustibles portable tester of Leak of gas natural gas Portable,Detection Versatile (2/5)

Sensor Smart detector of Leak of gas combustibles portable tester of Leak of gas natural gas Portable,Detection Versatile (3/5)

Sensor Smart detector of Leak of gas combustibles portable tester of Leak of gas natural gas Portable,Detection Versatile (4/5)

Sensor Smart detector of Leak of gas combustibles portable tester of Leak of gas natural gas Portable,Detection Versatile

~~£85.96~~

Free shipping

High Sensitivity Gas Detector with Backlight LCD Display, Portable Gas Leak Detector for Outdoor Camping, Black, (1/4)

High Sensitivity Gas Detector with Backlight LCD Display, Portable Gas Leak Detector for Outdoor Camping, Black, (2/4)

High Sensitivity Gas Detector with Backlight LCD Display, Portable Gas Leak Detector for Outdoor Camping, Black,

~~£54.27~~

Free shipping

Natural and soporific gas detector (White) 115x75x35mm 12V (1/3)

Natural and soporific gas detector (White) 115x75x35mm 12V

~~£49.64~~

Free shipping

Kohlenmonoxidmelder with LED-Anzeige, Rauch- und Kohlenmonoxidmelder Rauchmelder - GROSS (1/4)

Kohlenmonoxidmelder with LED-Anzeige, Rauch- und Kohlenmonoxidmelder Rauchmelder - GROSS (2/4)

Kohlenmonoxidmelder with LED-Anzeige, Rauch- und Kohlenmonoxidmelder Rauchmelder - GROSS

~~£43.87~~

Free shipping

85 dB Carbon Monoxide Detector, CO Detector with LCD Screen, EN 50291 Battery Operated Carbon Monoxide Detector (3 AA Batteries Not Included) (1/5)

85 dB Carbon Monoxide Detector, CO Detector with LCD Screen, EN 50291 Battery Operated Carbon Monoxide Detector (3 AA Batteries Not Included) (2/5)

85 dB Carbon Monoxide Detector, CO Detector with LCD Screen, EN 50291 Battery Operated Carbon Monoxide Detector (3 AA Batteries Not Included) (3/5)

85 dB Carbon Monoxide Detector, CO Detector with LCD Screen, EN 50291 Battery Operated Carbon Monoxide Detector (3 AA Batteries Not Included)

~~£44.36~~

Free shipping

EN 50291 Certified Carbon Monoxide Detector, CO Alarm Detector with Digital Display, Replaceable Battery CO Alarm for Home, Garage, Caravan, Motorhome (1/5)

EN 50291 Certified Carbon Monoxide Detector, CO Alarm Detector with Digital Display, Replaceable Battery CO Alarm for Home, Garage, Caravan, Motorhome

~~£44.36~~

Free shipping

220V AC Standalone Coal Gas Leak Detector with Natural Gas Alarm and NC/NO Relay Output (1/3)

220V AC Standalone Coal Gas Leak Detector with Natural Gas Alarm and NC/NO Relay Output

~~£52.38~~

Free shipping

Carbon Monoxide Detector with Replaceable Battery and LED Digital Display, CO Alarm for Home Security, Portable CO Monitor for Indoor Use (1/5)

Carbon Monoxide Detector with Replaceable Battery and LED Digital Display, CO Alarm for Home Security, Portable CO Monitor for Indoor Use (2/5)

Carbon Monoxide Detector with Replaceable Battery and LED Digital Display, CO Alarm for Home Security, Portable CO Monitor for Indoor Use (3/5)

Carbon Monoxide Detector with Replaceable Battery and LED Digital Display, CO Alarm for Home Security, Portable CO Monitor for Indoor Use

~~£50.53~~

Free shipping

Digital Natural Gas Detector, Home Gas Alarm, Gas Leak Detector, High Sensitivity LPG, LNG, Natural Coal Leak Detection, Alarm Monitor for Home/Kitchen

~~£47.84~~

Free shipping