Best Gas Detectors Deals Online in the UK (25 Deals Found)

Last Updated - 14/09/2026 Sort By:

Best Choice
Firlarm

New
Firlarm Natural Gas Detector, Plug-in Gas Leak Detector for Home, Propane Leak Alarm with LED Digital Display
Keep Safety: When combustible gases leaking ( methane / natural gas ) detected, the gas detector will emit 85dB slow, ac

£17.73 £28.99
Neoteck

New
Neoteck Gas Leak Detector Natural Gas Detector with Audible & Visual Alarm, Portable Gas Sniffer to Locate Combustible G
【Quick and Accurate Gas Leak Detector】The natural gas detector is widely suitable for LPG, methane, ethane, propane, but

£17.09 £17.99
New
Combustible Gas Detector Natural Gas Leak Detector with Audible and Visual Alarm
The Combustible Gas Detector is a reliable natural gas leak detector designed with both audible and visual alarms to pro

£7.00
Neoteck

New
Neoteck Gas Leak Detector Natural Gas Detector with Audible & Visual Alarm, Portable Gas Sniffer to Locate Combustible G
【Quick and Accurate Gas Leak Detector】The natural gas detector is widely suitable for LPG, methane, ethane, propane, but

£19.99
New
Hayes 383 Combustible Gas Detector
With its durable construction and advanced technology, the Hayes 383 Combustible Gas Detector is a valuable tool for mon

£135.90
Best Value
LLCHB

New
Gas Leak Detector, Natural Digital Gas Detector, Home Gas Alarm, Gas Leak Detector,High Sensitivity LPG LNG Coal Natural
Home natural gas detector suitable for detecting LPG(Methane), natural gas, coal gas, gas fuel, artificial gas, liquefie

£15.29 £17.99
15% Off
D MODUN

New
D MODUN Gas Alarm, LPG|Natural Gas|City Coal Gas Leak Detector, 3-Pin Gas Monitor with Sound Alarm and LED Digital Displ
{Safty Assurance} -- This Gas detector is mainly used to detect natural gas (main component: methane), liquefied petrole

£15.00 £17.65
Used
Vintage GMI Oxygas Gascoseeker Analog Gas Detector Scotland Serial S02187 Rare

£450.00
YOJOCK

New
Gas Leak Detector - YOJOCK Flammable Gas Detector with Acoustic & Visual Alarm for Methane, Propane & More (Red). Ideal
Versatile Detection: The YOJOCK Gas Detector detects LPG, methane, propane, natural gas, and more. This gas warning devi

£14.29
Refurbished
Gas Detector & C.A.T Calibration Service
6 month gas monitor Calibration service all makes and models also Cat & Gennys please get in touch for pricing [email re

£15.00
TOPTES

New
TopTes Natural Gas Detector, PT177 Gas Leak Detector with Audible & Visual Alarm, Portable Gas Sniffer to Locate Combust
Combustible Gas Leak Detector: PT177 is a useful little tool that helps every household with gas appliances to quickly a

£20.99
tulilut

New
WiFi Smart Carbon Monoxide & Natural Gas Detector, 2 in 1，Plug-in, CO Gas Leak Alarm for Natural Gas, LPG, Methane, Prop
【 2-IN-1 GAS & CO PROTECTION】 Detects both combustible gases (Natural Gas, LPG, Methane, Propane, Butane) and carbon mon

£34.90
New
Gas Leak Detector V2 Update Accurate Natural Gas Alarm &Digital Display White UK
Alarm: Visual. Sensor type: Semiconductor. Colour: White.

£14.59
Maptrees

New
Gas Leak Detector Pen, HT59 Natural Gas Sniffer with Audible & Visual Alarm
High-Precision Detection For Multiple Flammable Gases: This gas leak detector can detect natural gas, methane, propane,

£9.99
New
2 x Home Fire Alarm Smoke Detector Gas Sensor Twin Pack with Batteries 10 Year
Each alarm uses optical smoke sensing technology, which is designed to help detect slow smouldering fires before they de

£8.49
TOPTES

New
PT520A Natural Gas Detector, Gas Leak Detector with 43.5cm Gooseneck, Locates Sources Like Methane, Propane and Butane f
Effective Gas Leak Detector: TOPTES PT520A natural gas detector can accurately help you locate the gas leakage of variou

£39.99
New
10 Year Life Home Fire Alarm Smoke Detector Gas Sensor with Batteries
It adopts a compact white ABS design and is suitable for ceiling installation. Smoke Alarm Detector. The detector featur

£6.59
Used
Kane GLD/451 Plus Combustible Gas Leak detector
Probably needs new sensor. Don't test any gas installation with this device - it's not working!

£10.80
New
Combustible Gas Detector Natural Gas Leak Detector with Audible and Visual Alarm

£7.58
New
Honeywell GDU Quattro Multi Gas Detector BNIB - Needs Calibration
Honeywell Quattro Gas Detector Unit Brand New In Box * Requires Calibration * O2 Sensor LEL Sensor (Methane) H2S Sensor

£130.70
New
Gas Leak Detector, Natural Digital Gas Detector, Home Gas Alarm, Gas Leak Detect
When gas leak concentration reaches pre-setting level, the alarm provides a visual and audible signal. 85dB alarm sound,

£14.98
New
Combustible Gas Detector Natural Gas Leak Detector with Audible and Visual Alarm
It emits no sound or light alarm if the gas concentration does not exceed 20% LFL, providing peace of mind. Gas Type: Co

£10.09
New
Digital Gas Leak Detector Combustible Natural Methane Propane Sniffer LCD
Sound and Light Alarm System: This gas leak detector features an effective sound and light alarm system that promptly al

£10.12
Used
Honeywell BW MicroClip X3 Multi-Gas Detector,Used No Charger
The Honeywell BW MicroClip X3 Multi-Gas Detector is a reliable tool for detecting various gases in industrial and commer

£125.50
New
Honeywell BW Flex4 Portable Multi Gas Detector Monitor LEL O2 H2S CO
Honeywell BW Flex4 Portable Multi Gas Detector Monitor LEL O2 H2S CO

£156.70

25 Gas Detectors deals are available from: Amazon, eBay stores, starting from £6.59.
The biggest discount we found is 39% on Firlarm Natural Gas Detector, Plug-in Gas Leak Detector for Home, Propane Leak Alarm with LED Digital Display at Amazon.
The lowest price we found is £6.59 while the highest is £450.00.
Prices for the best Gas Detectors deals average at £52.37.
Last updated on September 14, 2026.
We scanned these quality online stores and more to deliver you with the best offers online available for Gas Detectors.