Gas detectors in comparison
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Last updated on 04.11.2026
1

Kidde K5CO Carbon Monoxide Detector Alarm with 10-Year Sensor Life | Battery Powered, 2 x AA Batteries Included, Wall Mount or Free-Standing, 85dB, Kitemarked to BS EN 50291-1
Kidde
27% off
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9,9
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2

PT199 Natural Gas Leak Detector with Audible & Visual Alarm, Portable Gas Sniffer to Locate Combustible Sources Like Methane, Propane for Home (Includes Battery x2)-Orange
TOPTES
free shipping
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9,8
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3

Neoteck Gas Leak Detector Natural Gas Detector Audible Visual Alarm Black | Combustible gas leak detector, audible & visual alarm, adjustable sensitivity, 50-3000ppm, 2x AAA batteries included
Neoteck
free shipping
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9,7
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4

FireAngel FA6813 Portable Carbon Monoxide Detector/Alarm, 10 Year CO Alarm | 1-Pack, Battery Powered Carbon Monoxide Alarm for Home & Travel, CO Alarm Detector Monitor for Caravans, Campervans & Cars
FireAngel
free shipping
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9,6
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5

Gas Leak Detector, Natural Digital Gas Detector, Home Gas Alarm, Gas Leak Detector,High Sensitivity LPG LNG Coal Natural Gas Leak Detection, Alarm Monitor Sensor
LLCHB
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9,5
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6

Gas Leak Detector - YOJOCK Flammable Gas Detector with Acoustic & Visual Alarm for Methane, Propane & More (Red). Ideal for Motorhome & Home Use (Includes 2 Batteries)
YOJOCK
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9,5
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7

D MODUN Gas Detector, Natural Gas/LPG/City Coal Gas Leak Detector, 3-Pin Plug-in Gas Monitor with Sound Alarm and LED Display, Methane Propane Butane Combustible Gas Alarm for Kitchen RV Garage Hotel
D MODUN
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9,4
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8

WiFi Smart Carbon Monoxide & Natural Gas Detector, 2 in 1,Plug-in, CO Gas Leak Alarm for Natural Gas, LPG, Methane, Propane & Butane, App Monitoring & LED Display, EN50291 & EN50194 Certified
tulilut
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9,3
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9
![Mydome Gas Leak Detector [V2 – Update] | Accurate Natural Gas Alarm With A Loud Alarm & Digital Display, White](https://cdn.which.one/productimages/L/6/F/B079FTZF6L.jpg)
Mydome Gas Leak Detector [V2 – Update] | Accurate Natural Gas Alarm With A Loud Alarm & Digital Display, White
Switched On Products
30% off
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9,3
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10

Safeliveo Carbon Monoxide Detector with Replaceable Battery, White, 1Pack | EN50291 certified, CO Alarm with Digital Display - 10 Years Sensor Life, Portable for home & travel with CO Peak Value Memory
Safeliveo
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9,3
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You might also be interested in these gas detectors.

2 in 1 Carbon Monoxide Detector and Natural Gas Detector | 10 Years Sensor Life Wall-mounted CO Alarm Gas Leak Detector with 2 Real Sensors for Home Kitchen
【24/7 Dual Security Monitoring】This carbon monoxide detector can simultaneously detect carbon monoxide and combustible gases.
£ 22.89
free shipping
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4 Gas Monitor by Forensics | Multigas Detector | Built-in Pump & 4ft Probe | O2, CO, H2S, LEL | UK Calibration Certificate |
SENSITIVE: 4 Gas Monitor CO, O2, EX LEL and H2S. Confined Space Applications.
£ 425.00
free shipping
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38% off

Firechief Carbon Monoxide Detector, 5 Year Battery Included - Visual & Audio Carbon Monoxide Alarm with LCD Display - Gas Detector - FBCA05 Model
ELECTROCHEMICAL CARBON MONOXIDE SENSING TECHNOLOGY: CO is an invisible, odourless, tasteless and non-irritating gas so is completely undetectable.
£ 13.06
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AEGTEST AGT-1988 Rechargeable Natural Gas Detector, Gas Leak Detector with TFT Display, 0.5s Response, 0–9999PPM Range, Portable for Detecting Combustible Leaks Like Propane, Methane for Home & RV
Real-Time Readings & Fast Response: AGT-1988 natural gas detector features real-time digital display with a wide detection range of 0–9999 PPM.
£ 18.99
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Natural Gas Detector WiFi,Propane Natural Gas Leak Detector for Home Kitchen, Combustible & Explosive Gas Alarm for LPG,Sensor with 85dB Alarm, LCD Display, App Notifications, EN 50194 Certified
【EN 50194 Certified – Maximum Safety】 Trusted gas detector for home, garage, camper, or commercial spaces.
£ 27.60
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Gas Alarm Detector-Ourjob, Home Use Propane Butane Methane Gas Monitor, Plug in Combustible LPG/Natural Gas/Coal Gas Leak Sensor, Voice Prompt, Strobe Light Warning, Digital Display(White, No Battery)
【Keep Safty】-- When combustible gases leak (kitchen methane / natural gas /camping propane) exceed the standard, this alarm will sound an 80dB siren speaking voice with top flashing red light until the ambient gas volume falls below alarm set point. 【Powerful Functions】-- This alarm precisely measures and displays an easy to read concentration (0 ~ 20 % LEL) of combustible gas, include natural gas (Main Components: Methane), liquefied gas (Main Components: Butane, Propane), and urban coal gas (Alkane, Olefin, Arene).
£ 23.99
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15% off

Safeflame Carbon Monoxide Alarm – CO Detector, 10-Year Sensor, LCD PPM Display, 85dB+ Alert, AA Battery Included, Freestanding or Wall Mounted Home Use (1)
EN 50291 CERTIFIED, CE & UKCA APPROVED – Independently tested to UK and EU safety standards, so you can trust this carbon monoxide alarm protects your home, caravan, or motorhome
£ 12.74
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Only:
45hrs
06min
32sec
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Combustible Gas Leak Detector Klein Tools ET120 | Combustible Gas Leak Tester with 18-Inch Gooseneck Has Range 50 - 10,000 ppm, Includes Pouch and Batteries
Detection range: approximately 50 to 10, 000 ppm* (based on methane) Two levels of sensitivity: high (approximately 50 to 1000 ppm) and low (approximately 50 to 10, 000 ppm) Five red LED's (visual) and 85dB audible alerts that increase with gas concentration Automatic zero-point calibration at power-up (lights will flash during self-calibration; this does not indicate the presence of gas) 18-Inch flexible gooseneck expands sensor's reach; clips onto meter for storage
£ 149.32
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Arctic Hayes Handheld Gas Leak Detector, Quickly Identify Combustible Gas Leaks in Domestic and Business Environments
The Arctic Hayes Gas Leak Detector locates the presence of combustible gases such as natural gas, methane, propane, butane and ammonia in appliances, valves, pipes, and fittings. This handheld gas leak detector is suitable for both domestic and business environments, very easy to use and effective for finding potentially dangerous gas leaks.
£ 55.00
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Heiman Carbon Monoxide Detector, EN 50291 Certified, 10-Year Life CO Alarm Detector with Digital Display, 5-Year Replaceable AA Battery Included
10-Year Lifetime CO Sensor: Equipped with an advanced electrochemical sensor for stable, accurate CO detection and long-term safety performance.
£ 21.99
free shipping
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15% off

WisuAlarm Carbon Monoxide Detector, 10-Year Figaro Sensor, 10 Year Battery, Carbon Monoxide Alarm, CO Alarm with LCD Display, Test/Silence Button, EN 50291 Certificated
Accurate and Reliable: This detector utilises high end Figaro electrochemical CO sensor, providing continuous protection against carbon monoxide (CO) for your family, 24/7. 10-year Battery: The detector comes with a replaceable battery that has a lifespan of 10 years, ensuring you won't have to frequently change batteries.
£ 18.69
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testo 316-3 - Refrigerant Leak Detector
Can detect all common cooling agents: CFCs, HFCs, FCs Highly sensitive ( < 4 g/a - 1g/a according to DIN EN14624:2012 standard) - can detect even the smallest leaks Ready for use - there`s no need to select cooling agent characteristics first Automatic zero setting - can detect leaks in rooms that are already contaminated Visual and audible alarm which are activated when a leak is detected
£ 411.48
free shipping
To the product (1 offer)