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.

Carbon monoxide detector with digital LCD screen, CO detector with replaceable battery, test reset button, low battery indicator, portable, U standard compliant (1/4)

Carbon monoxide detector with digital LCD screen, CO detector with replaceable battery, test reset button, low battery indicator, portable, U standard compliant

Natural gas alarm Tuya Wifi Smart Home, gas detector, gas alarm, USB power supply (1/4)

Natural gas alarm Tuya Wifi Smart Home, gas detector, gas alarm, USB power supply (2/4)

Natural gas alarm Tuya Wifi Smart Home, gas detector, gas alarm, USB power supply (3/4)

Natural gas alarm Tuya Wifi Smart Home, gas detector, gas alarm, USB power supply

~~£82.45~~

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Portable carbon monoxide detector with highly sensitive sensor, LCD display, audible alarm and batteries included – UL 2034 compliant (1/4)

Portable carbon monoxide detector with highly sensitive sensor, LCD display, audible alarm and batteries included – UL 2034 compliant (2/4)

Portable carbon monoxide detector with highly sensitive sensor, LCD display, audible alarm and batteries included – UL 2034 compliant

~~£29.34~~

Carbon Monoxide Detector with Smart Alarm Function, 3-in-1 CO Detector for Humidity/Temperature/Carbon Monoxide Concentration, Portable Rechargeable CO Alarm for Home/RV/Camping (White) (1/5)

Carbon Monoxide Detector with Smart Alarm Function, 3-in-1 CO Detector for Humidity/Temperature/Carbon Monoxide Concentration, Portable Rechargeable CO Alarm for Home/RV/Camping (White)

~~£52.84~~

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1 Pack Digital Carbon Monoxide (CO) Detector, Battery-Operated Alarm

~~£26.60~~

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Carbon Monoxide Alarm, CO Detector with Digital Display (1/5)

Carbon Monoxide Alarm, CO Detector with Digital Display (2/5)

Carbon Monoxide Alarm, CO Detector with Digital Display (3/5)

Carbon Monoxide Alarm, CO Detector with Digital Display

~~£27.51~~

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Portable Carbon Monoxide CO Gas Detector, Monitoring Sensor, Poisoning Warning, Alarm Tester, White (1/5)

Portable Carbon Monoxide CO Gas Detector, Monitoring Sensor, Poisoning Warning, Alarm Tester, White (2/5)

Portable Carbon Monoxide CO Gas Detector, Monitoring Sensor, Poisoning Warning, Alarm Tester, White (3/5)

Portable Carbon Monoxide CO Gas Detector, Monitoring Sensor, Poisoning Warning, Alarm Tester, White

~~£30.26~~

Free shipping

Arctic Hayes Strikes' Smoke Matches Tub 25

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Carbon Monoxide Detector with LED Display/Electronic Sensor, Carbon Monoxide Alarm Detector (1/2)

Carbon Monoxide Detector with LED Display/Electronic Sensor, Carbon Monoxide Alarm Detector

MOTIP® 090406 Pro Leak Detector Spray 500ml MOT090406

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4-in-1 Gas Detector with Backlit Display, Vibration Alarm, Light, and Sound - High Sensitivity for Laboratory, Agricultural, Chemical, and Marine Use (1/5)

4-in-1 Gas Detector with Backlit Display, Vibration Alarm, Light, and Sound - High Sensitivity for Laboratory, Agricultural, Chemical, and Marine Use

~~£223.63~~

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Portable Carbon Monoxide Detector – Digital LCD Display – Rechargeable Lithium Battery Powered – Audible Alarm – UL2034 Compliant (1/5)

Portable Carbon Monoxide Detector – Digital LCD Display – Rechargeable Lithium Battery Powered – Audible Alarm – UL2034 Compliant (2/5)

Portable Carbon Monoxide Detector – Digital LCD Display – Rechargeable Lithium Battery Powered – Audible Alarm – UL2034 Compliant (3/5)

Portable Carbon Monoxide Detector – Digital LCD Display – Rechargeable Lithium Battery Powered – Audible Alarm – UL2034 Compliant (4/5)

Portable Carbon Monoxide Detector – Digital LCD Display – Rechargeable Lithium Battery Powered – Audible Alarm – UL2034 Compliant

~~£18.68~~

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White Carbon Monoxide Detector, Portable Digital Alarm Detector with Red Light Sound, Battery Not Included, for Home Travel (1/5)

White Carbon Monoxide Detector, Portable Digital Alarm Detector with Red Light Sound, Battery Not Included, for Home Travel (2/5)

White Carbon Monoxide Detector, Portable Digital Alarm Detector with Red Light Sound, Battery Not Included, for Home Travel (3/5)

White Carbon Monoxide Detector, Portable Digital Alarm Detector with Red Light Sound, Battery Not Included, for Home Travel (4/5)

White Carbon Monoxide Detector, Portable Digital Alarm Detector with Red Light Sound, Battery Not Included, for Home Travel

Carbon Monoxide Detector with Audible Alarm, High Sensitive CO Sensor, LED Display, Easy Installation, Compliant with EN 50291 for Home Security (1/5)

Carbon Monoxide Detector with Audible Alarm, High Sensitive CO Sensor, LED Display, Easy Installation, Compliant with EN 50291 for Home Security

~~£23.58~~

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Carbon Monoxide Detector - 9.5 x 3.2cm Ultra Sensitive Fast Response Carbon Monoxide Detector with Digital Display and Audible Alarm, Fire Detector with Test-Silence Button (1 PCS) (1/5)

Carbon Monoxide Detector - 9.5 x 3.2cm Ultra Sensitive Fast Response Carbon Monoxide Detector with Digital Display and Audible Alarm, Fire Detector with Test-Silence Button (1 PCS)

~~£23.58~~

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Gas Detector Combo Carbon Monoxide Smoke Detector Battery Operated CO Smoke Detector with Flash LED Display Screen Audible Alarm Audible Warning Pattern - White (1/5)

Gas Detector Combo Carbon Monoxide Smoke Detector Battery Operated CO Smoke Detector with Flash LED Display Screen Audible Alarm Audible Warning Pattern - White

Carbon Monoxide Alarm Detector,CO Alarm Detector,With Sound and Light Prompt,With LCD Display Voice Warning (1/5)

Carbon Monoxide Alarm Detector,CO Alarm Detector,With Sound and Light Prompt,With LCD Display Voice Warning (2/5)

Carbon Monoxide Alarm Detector,CO Alarm Detector,With Sound and Light Prompt,With LCD Display Voice Warning (3/5)

Carbon Monoxide Alarm Detector,CO Alarm Detector,With Sound and Light Prompt,With LCD Display Voice Warning (4/5)

Carbon Monoxide Alarm Detector,CO Alarm Detector,With Sound and Light Prompt,With LCD Display Voice Warning

PlastiKote Trade 400ml Leak Detector Spray for Gas Pipes MPN 440.0071028.076

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Arctic Hayes Gas Leak Detector with 250ml Atomiser - Model ARCPH026A (1/3)

Arctic Hayes Gas Leak Detector with 250ml Atomiser - Model ARCPH026A

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Carbon Monoxide Alarm Detector CO Alarm Detector with Digital Display Household Safety Equipment Powered by Battery white (1/5)

Carbon Monoxide Alarm Detector CO Alarm Detector with Digital Display Household Safety Equipment Powered by Battery white (2/5)

Carbon Monoxide Alarm Detector CO Alarm Detector with Digital Display Household Safety Equipment Powered by Battery white (3/5)

Carbon Monoxide Alarm Detector CO Alarm Detector with Digital Display Household Safety Equipment Powered by Battery white (4/5)

Carbon Monoxide Alarm Detector CO Alarm Detector with Digital Display Household Safety Equipment Powered by Battery white

Carbon monoxide alarm, digital display CO detector (1/5)

Carbon monoxide alarm, digital display CO detector (2/5)

Carbon monoxide alarm, digital display CO detector (3/5)

Carbon monoxide alarm, digital display CO detector

Detector of monoxyde of carbon LCD Sensor electrochimique Alarm sound 85 db Indicator LED For spaces household (1/5)

Detector of monoxyde of carbon LCD Sensor electrochimique Alarm sound 85 db Indicator LED For spaces household (2/5)

Detector of monoxyde of carbon LCD Sensor electrochimique Alarm sound 85 db Indicator LED For spaces household (3/5)

Detector of monoxyde of carbon LCD Sensor electrochimique Alarm sound 85 db Indicator LED For spaces household (4/5)

Detector of monoxyde of carbon LCD Sensor electrochimique Alarm sound 85 db Indicator LED For spaces household

~~£21.62~~

Free shipping

Carbon Monoxide Detector, Intelligent Carbon Monoxide Detector with LCD Display, Compliant with EN 50291 Standard, with Test Button and LED Status Indicator (Mini 1PC) (1/5)

Carbon Monoxide Detector, Intelligent Carbon Monoxide Detector with LCD Display, Compliant with EN 50291 Standard, with Test Button and LED Status Indicator (Mini 1PC)

~~£25.58~~

Free shipping

Carbon monoxide alarm detector, battery-powered CO alarm detector with LCD screen and voice alert (1/5)

Carbon monoxide alarm detector, battery-powered CO alarm detector with LCD screen and voice alert (2/5)

Carbon monoxide alarm detector, battery-powered CO alarm detector with LCD screen and voice alert (3/5)

Carbon monoxide alarm detector, battery-powered CO alarm detector with LCD screen and voice alert (4/5)

Carbon monoxide alarm detector, battery-powered CO alarm detector with LCD screen and voice alert

~~£39.57~~

Free shipping

Natural Gas Detector: Multi-Gas Detector with Socket for Natural Gas and LPG, 85, for Carbon Monoxide, Natural Gas & LPG, 85 DB (Gas Sensor) (1/5)

Natural Gas Detector: Multi-Gas Detector with Socket for Natural Gas and LPG, 85, for Carbon Monoxide, Natural Gas & LPG, 85 DB (Gas Sensor) (2/5)

Natural Gas Detector: Multi-Gas Detector with Socket for Natural Gas and LPG, 85, for Carbon Monoxide, Natural Gas & LPG, 85 DB (Gas Sensor) (3/5)

Natural Gas Detector: Multi-Gas Detector with Socket for Natural Gas and LPG, 85, for Carbon Monoxide, Natural Gas & LPG, 85 DB (Gas Sensor) (4/5)

Natural Gas Detector: Multi-Gas Detector with Socket for Natural Gas and LPG, 85, for Carbon Monoxide, Natural Gas & LPG, 85 DB (Gas Sensor)

~~£26.60~~

Free shipping

Carbon Monoxide Detector, Intelligent Carbon Monoxide Detector with LCD Screen, Compliant with EN 50291 Standard, with Test Button and LED Status Indicator (Mini 1PC) (1/5)

Carbon Monoxide Detector, Intelligent Carbon Monoxide Detector with LCD Screen, Compliant with EN 50291 Standard, with Test Button and LED Status Indicator (Mini 1PC)

~~£22.66~~

Free shipping

Natural Gas Detector and Calming Agent, Gas Detector, Gas Alarm, Leak Detector (1/5)

Natural Gas Detector and Calming Agent, Gas Detector, Gas Alarm, Leak Detector (2/5)

Natural Gas Detector and Calming Agent, Gas Detector, Gas Alarm, Leak Detector (3/5)

Natural Gas Detector and Calming Agent, Gas Detector, Gas Alarm, Leak Detector

~~£31.43~~

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Gas and Anesthetic Gas Detector (White) 115x75x35mm 220V (1/4)

Gas and Anesthetic Gas Detector (White) 115x75x35mm 220V (2/4)

Gas and Anesthetic Gas Detector (White) 115x75x35mm 220V

~~£32.63~~

Free shipping

Carbon monoxide detector. Portable carbon monoxide detector with LCD digital display for home and travel. UL-listed carbon monoxide alarm with electrochemical sensor. (1/4)

Carbon monoxide detector. Portable carbon monoxide detector with LCD digital display for home and travel. UL-listed carbon monoxide alarm with electrochemical sensor.

~~£23.78~~

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Portable Carbon Monoxide Detector – Electrochemical Sensor – 85dB Alarm – LCD Screen – For Home and Travel Use (1/5)

Portable Carbon Monoxide Detector – Electrochemical Sensor – 85dB Alarm – LCD Screen – For Home and Travel Use (2/5)

Portable Carbon Monoxide Detector – Electrochemical Sensor – 85dB Alarm – LCD Screen – For Home and Travel Use (3/5)

Portable Carbon Monoxide Detector – Electrochemical Sensor – 85dB Alarm – LCD Screen – For Home and Travel Use (4/5)

Portable Carbon Monoxide Detector – Electrochemical Sensor – 85dB Alarm – LCD Screen – For Home and Travel Use

~~£23.78~~

Free shipping

Carbon Monoxide Detector - 9.5 x 3.2cm Ultra Sensitive Fast Response Carbon Monoxide Detector with Digital Display and Audible Alarm, Fire Detector with Test-Silence Button (1pc)

~~£19.85~~

Free shipping

Set of 2 battery-operated carbon monoxide detectors with digital LCD screen for home, kitchen, restaurant, hotel, office - Batteries not included (1/5)

Set of 2 battery-operated carbon monoxide detectors with digital LCD screen for home, kitchen, restaurant, hotel, office - Batteries not included (2/5)

Set of 2 battery-operated carbon monoxide detectors with digital LCD screen for home, kitchen, restaurant, hotel, office - Batteries not included (3/5)

Set of 2 battery-operated carbon monoxide detectors with digital LCD screen for home, kitchen, restaurant, hotel, office - Batteries not included (4/5)

Set of 2 battery-operated carbon monoxide detectors with digital LCD screen for home, kitchen, restaurant, hotel, office - Batteries not included

~~£61.70~~

Free shipping

Natural gas and anesthetic detector - 115x75x35mm - 220V - White (1/4)

Natural gas and anesthetic detector - 115x75x35mm - 220V - White (2/4)

Natural gas and anesthetic detector - 115x75x35mm - 220V - White (3/4)

Natural gas and anesthetic detector - 115x75x35mm - 220V - White

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Carbon monoxide detector with LED display / Electronic sensor, Carbon monoxide alarm detector (round) (1/5)

Carbon monoxide detector with LED display / Electronic sensor, Carbon monoxide alarm detector (round) (2/5)

Carbon monoxide detector with LED display / Electronic sensor, Carbon monoxide alarm detector (round) (3/5)

Carbon monoxide detector with LED display / Electronic sensor, Carbon monoxide alarm detector (round) (4/5)

Carbon monoxide detector with LED display / Electronic sensor, Carbon monoxide alarm detector (round)

2pcs Carbon Monoxide Detector with LCD Digital Display, CO Detector Equipped with Replaceable Battery with Standard Life UL2034 White (1/5)

2pcs Carbon Monoxide Detector with LCD Digital Display, CO Detector Equipped with Replaceable Battery with Standard Life UL2034 White (2/5)

2pcs Carbon Monoxide Detector with LCD Digital Display, CO Detector Equipped with Replaceable Battery with Standard Life UL2034 White (3/5)

2pcs Carbon Monoxide Detector with LCD Digital Display, CO Detector Equipped with Replaceable Battery with Standard Life UL2034 White (4/5)

2pcs Carbon Monoxide Detector with LCD Digital Display, CO Detector Equipped with Replaceable Battery with Standard Life UL2034 White

~~£26.00~~

Free shipping

Natural gas detector: Plug-in Multi-gas detector for Natural gas and LPG, 85, for Carbon monoxide, Natural gas & LPG, 85 DB (gas sensor) (1/5)

Natural gas detector: Plug-in Multi-gas detector for Natural gas and LPG, 85, for Carbon monoxide, Natural gas & LPG, 85 DB (gas sensor) (2/5)

Natural gas detector: Plug-in Multi-gas detector for Natural gas and LPG, 85, for Carbon monoxide, Natural gas & LPG, 85 DB (gas sensor) (3/5)

Natural gas detector: Plug-in Multi-gas detector for Natural gas and LPG, 85, for Carbon monoxide, Natural gas & LPG, 85 DB (gas sensor)

Detector of monoxyde of carbon 20000 PPM Display LED Material ABS high resistance For spaces confines and industrial - 20000PPM (1/5)

Detector of monoxyde of carbon 20000 PPM Display LED Material ABS high resistance For spaces confines and industrial - 20000PPM (2/5)

Detector of monoxyde of carbon 20000 PPM Display LED Material ABS high resistance For spaces confines and industrial - 20000PPM (3/5)

Detector of monoxyde of carbon 20000 PPM Display LED Material ABS high resistance For spaces confines and industrial - 20000PPM (4/5)

Detector of monoxyde of carbon 20000 PPM Display LED Material ABS high resistance For spaces confines and industrial - 20000PPM

~~£26.12~~

Free shipping

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

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

Carbon Monoxide Detector, CO Alarm for Kitchen, Basement, Travel, Home, Office, Bedroom, Living Room, Car, Battery Operated, UL 217/2034 Compliant (1-Pack) (1/5)

Carbon Monoxide Detector, CO Alarm for Kitchen, Basement, Travel, Home, Office, Bedroom, Living Room, Car, Battery Operated, UL 217/2034 Compliant (1-Pack)

~~£33.51~~

Free shipping

Carbon monoxide detector, portable carbon monoxide detector with LCD digital display for home and travel, UL-listed carbon monoxide alarm with electrochemical sensor, battery-powered

~~£24.28~~

Free shipping

Carbon Monoxide Detector, Portable Carbon Monoxide Detector with LCD Digital Display for Home Travel, Approved Carbon Monoxide Alarm (1/5)

Carbon Monoxide Detector, Portable Carbon Monoxide Detector with LCD Digital Display for Home Travel, Approved Carbon Monoxide Alarm (2/5)

Carbon Monoxide Detector, Portable Carbon Monoxide Detector with LCD Digital Display for Home Travel, Approved Carbon Monoxide Alarm (3/5)

Carbon Monoxide Detector, Portable Carbon Monoxide Detector with LCD Digital Display for Home Travel, Approved Carbon Monoxide Alarm (4/5)

Carbon Monoxide Detector, Portable Carbon Monoxide Detector with LCD Digital Display for Home Travel, Approved Carbon Monoxide Alarm

~~£24.28~~

Free shipping

Carbon Monoxide Detector, Intelligent Carbon Monoxide Detector with LCD Screen, Compliant with EN 50291 Standard, with Test Button and LED Status Indicator (Mini 1PC)

~~£24.28~~

Free shipping

Carbon Monoxide Detector, Intelligent Carbon Monoxide Detector with LCD Screen, Compliant with EN 50291 Standard, with Test Button and LED Status Indicator (Mini 1PC)

1 Pack Digital Carbon Monoxide (CO) Detector, Battery Operated

~~£34.68~~

Free shipping

1 Pack Digital Carbon Monoxide (CO) Detector, Battery-Operated Alarm

~~£34.68~~

Free shipping

1 Pack Digital Carbon Monoxide (CO) Detector, Battery-Operated Alarm

~~£34.37~~

Free shipping

1 Pack Digital Carbon Monoxide (CO) Detector, Battery Operated

~~£34.37~~

Free shipping

Detector of CO Detector of monoxide of Carbon with screen LCD, Button of Test (1/5)

Detector of CO Detector of monoxide of Carbon with screen LCD, Button of Test (2/5)

Detector of CO Detector of monoxide of Carbon with screen LCD, Button of Test (3/5)

Detector of CO Detector of monoxide of Carbon with screen LCD, Button of Test (4/5)

Detector of CO Detector of monoxide of Carbon with screen LCD, Button of Test

~~£24.51~~

Free shipping

Détecteur de fuite de gaz Wifi et alarme incendie écran LCD mural APP contrôle intelligent Wi-Fi testeur de gaz naturel/gpl alarme méthane Buzzer pour bureau à domicile (prise UE) (1/5)

Détecteur de fuite de gaz Wifi et alarme incendie écran LCD mural APP contrôle intelligent Wi-Fi testeur de gaz naturel/gpl alarme méthane Buzzer pour bureau à domicile (prise UE)

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LCD CO Carbon Monoxide Detector

Detector alarm of Detector of gas of monoxyde of carbon Detector alarm of CO2 powered by battery with display LCD Warning vocal (1/5)

Detector alarm of Detector of gas of monoxyde of carbon Detector alarm of CO2 powered by battery with display LCD Warning vocal (2/5)

Detector alarm of Detector of gas of monoxyde of carbon Detector alarm of CO2 powered by battery with display LCD Warning vocal (3/5)

Detector alarm of Detector of gas of monoxyde of carbon Detector alarm of CO2 powered by battery with display LCD Warning vocal (4/5)

Detector alarm of Detector of gas of monoxyde of carbon Detector alarm of CO2 powered by battery with display LCD Warning vocal

~~£26.89~~

Free shipping

GVDA GD133 Combustible Gas Leakage Detector with Retractable Probe (1/5)

GVDA GD133 Combustible Gas Leakage Detector with Retractable Probe (2/5)

GVDA GD133 Combustible Gas Leakage Detector with Retractable Probe (3/5)

GVDA GD133 Combustible Gas Leakage Detector with Retractable Probe (4/5)

GVDA GD133 Combustible Gas Leakage Detector with Retractable Probe

Carbon Monoxide Detector, Intelligent Carbon Monoxide Detector with LCD Screen, Compliant with EN 50291 Standard, with Test Button and LED Status Indicator (Mini 1PC)

~~£25.48~~

Free shipping

Carbon Monoxide Alarm, CO Detector with Digital Display

~~£36.06~~

Free shipping

Carbon Monoxide Alarm, CO Detector with Digital Display

~~£36.06~~

Free shipping