Carbon monoxide
Carbon monoxide for sale on Ireland's largest auction and classifieds sites
Pack carbon monoxide alarm - pack, - £36.00
Set carbon alarm • Digital lcd display • Voice warning - Free postage - New and Used
Set carbon alarm • Digital lcd display • Voice warning - Free postage - New and Used
Pack siterwell hardwired - pack, - £189.99
Self check function • This siterwell smoke • Combination detectors have - Free postage - New and Used
Self check function • This siterwell smoke • Combination detectors have - Free postage - New and Used
Sense sc07 wireless - sc07-w, - £119.99
Interconnected alarm sensitivity • Year sealed lithium • Loudness 3.2 0.3 - Free postage - New and Used
Interconnected alarm sensitivity • Year sealed lithium • Loudness 3.2 0.3 - Free postage - New and Used
Sense wireless interlinked - x-sense, - £32.99
120 max cr123a • Lithium battery backup • Smoke sensitivity alarm - Free postage - New and Used
120 max cr123a • Lithium battery backup • Smoke sensitivity alarm - Free postage - New and Used
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2pc carbon monoxide detector - monoxide, - £9.99
Style power source • Color black product • Dimensions 1.3 3.5 - Free postage - New and Used
Style power source • Color black product • Dimensions 1.3 3.5 - Free postage - New and Used
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48 listings · from £5.79 · avg £45.91
⚠️ These listings were last updated more than 24 days ago.
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Browse 48 carbon monoxide listings currently in our index. Prices range from £5.79 to £219.99, with an average of £45.91. Whether you are hunting for a bargain or looking for a top-spec model, the selection below covers all price points — new, used and refurbished. More about carbon monoxide →
Kidde coeg explosive gas - kidde, - £34.99
Digital led display • Shows level carbon • Monoxide alarm sensing - Free postage - New and Used
Digital led display • Shows level carbon • Monoxide alarm sensing - Free postage - New and Used
Kidde carbon monoxide - carbon, - £17.95
Kidde carbon monoxide • Detector battery powered • Alarm leds test - Free postage - New and Used
Kidde carbon monoxide • Detector battery powered • Alarm leds test - Free postage - New and Used
First alert carbon monoxide - carbon, - £12.95
First alert carbon • Monoxide detector battery • Operated model 1039718 - Free postage - New and Used
First alert carbon • Monoxide detector battery • Operated model 1039718 - Free postage - New and Used
First alert smoke - smoke, & - £32.95
- Free postage - New and Used
- Free postage - New and Used
Carbon monoxide - rv, - £45.49
Leak malfunction propane • System can result • Gas buildup that - Free postage - New and Used
Leak malfunction propane • System can result • Gas buildup that - Free postage - New and Used
Kidde carbon monoxide - kidde, - £19.95
Decibel alarm announces • When carbon monoxide • Detected test hush - Free postage - New and Used
Decibel alarm announces • When carbon monoxide • Detected test hush - Free postage - New and Used
Burrcr pack carbon - 2, monoxide - £10.00
Triggers alarm within • Standards alerts various • Minutes low battery - Free postage - New and Used
Triggers alarm within • Standards alerts various • Minutes low battery - Free postage - New and Used
Co detector carbon - 3-in-1, - £9.99
Style power source • Color black product • Dimensions 1.3 3.5 - Free postage - New and Used
Style power source • Color black product • Dimensions 1.3 3.5 - Free postage - New and Used
First alert sco2b carbon - first, - £28.90
Electrochemical carbon monoxide • Sensor most accurate • Available compared other - Free postage - New and Used
Electrochemical carbon monoxide • Sensor most accurate • Available compared other - Free postage - New and Used
Siterwell lcd digital carbon - lcd, - £22.99
After few minutes • Detector will display • Specific concentration carbon - Free postage - New and Used
After few minutes • Detector will display • Specific concentration carbon - Free postage - New and Used
Sense sc07 wi fi - sc07-wx, wi-fi - £89.99
Interconnected alarm replaceable • Battery shape circular • Power source - Free postage - New and Used
Interconnected alarm replaceable • Battery shape circular • Power source - Free postage - New and Used
Carbon monoxide detector - 2x, - £11.39
Range from • Equipped advanced high • Reliability electrochemical sensor - Free postage - New and Used
Range from • Equipped advanced high • Reliability electrochemical sensor - Free postage - New and Used
12v atwood 31011 - 31011, carbon - £45.00
Atwood 31011 carbon • Monoxide propane gas • Detector volt using - Free postage - New and Used
Atwood 31011 carbon • Monoxide propane gas • Detector volt using - Free postage - New and Used
Carbon monoxide detector - carbon, - £9.99
- Free postage - New and Used
- Free postage - New and Used
First alert smico100 - first, - £26.99
Smoke alarm test • Silence button efficient • Working properly battery - Free postage - New and Used
Smoke alarm test • Silence button efficient • Working properly battery - Free postage - New and Used
Pack photoelectric smoke and - smoke, - £42.89
Pack photoelectric smoke • Carbon monoxide detector - Free postage - New and Used
Pack photoelectric smoke • Carbon monoxide detector - Free postage - New and Used
Carbon monoxide detector - carbon, - £5.79
- Free postage - New and Used
- Free postage - New and Used
Moes carbon monoxide - moes, - £24.29
Gas lv1 lv4 • Lel carbon monoxide • Detector test sensitivity - Free postage - New and Used
Gas lv1 lv4 • Lel carbon monoxide • Detector test sensitivity - Free postage - New and Used
Carbon monoxide detector - carbon, - £9.99
Style power source • Color black product • Dimensions 1.3 3.5 - Free postage - New and Used
Style power source • Color black product • Dimensions 1.3 3.5 - Free postage - New and Used
Safe rvcolp combination - safe, - £49.99
Expiration jun 2030 • Uses latest advanced • Electrochemical sensors detect - Free postage - New and Used
Expiration jun 2030 • Uses latest advanced • Electrochemical sensors detect - Free postage - New and Used
12v atwood 31011 carbon - 12v, - £42.00
12v atwood 31011 • Carbon monoxide gas • Propane detector alarm - Free postage - New and Used
12v atwood 31011 • Carbon monoxide gas • Propane detector alarm - Free postage - New and Used
Kidde p3010k year - kidde, p3010k-co - £39.99
Smoke carbon monoxide • Alarm reliable long • Lasting safety device - Free postage - New and Used
Smoke carbon monoxide • Alarm reliable long • Lasting safety device - Free postage - New and Used
Nib universal smoke - 1,, & - £15.00
Factory sealed this • Year battery alarm • Includes features such - Free postage - New and Used
Factory sealed this • Year battery alarm • Includes features such - Free postage - New and Used
Google nest battery protect - google, - £59.98
Sale nest protect • Battery operated smoke • Carbon monoxide detector - Free postage - New and Used
Sale nest protect • Battery operated smoke • Carbon monoxide detector - Free postage - New and Used
Handheld carbon monoxide - handheld, - £35.00
Carbon monoxide gas • Portable detector detecting • Low power consumption - Free postage - New and Used
Carbon monoxide gas • Portable detector detecting • Low power consumption - Free postage - New and Used
Kidde hardwired smoke and - smoke, - £190.00
Combo smoke alarm • Hardwired backup battery • Change replaceable batteries - Free postage - New and Used
Combo smoke alarm • Hardwired backup battery • Change replaceable batteries - Free postage - New and Used
Kidde smoke carbon - &, monoxide - £19.99
Item per sale • Kidde smoke carbon • Monoxide alarm intelligent - Free postage - New and Used
Item per sale • Kidde smoke carbon • Monoxide alarm intelligent - Free postage - New and Used
Kidde copp lpm battery - kn-copp-b-lpm, - £16.95
Has been carefully • Tested detect concentration • Levels low 999 - Free postage - New and Used
Has been carefully • Tested detect concentration • Levels low 999 - Free postage - New and Used
First alert co600 plug - alert, - £17.76
Carbon monoxide • First alert co600 • Alarm utilizes electrochemical - Free postage - New and Used
Carbon monoxide • First alert co600 • Alarm utilizes electrochemical - Free postage - New and Used
Carbon monoxide - 4, 1 - £29.95
Also monitors temperature • Accuracy humidity precision - Free postage - New and Used
Also monitors temperature • Accuracy humidity precision - Free postage - New and Used
Carbon monoxide detector - carbon, - £8.65
Detection gas carbon • Monoxide sensor type • Electrochemistry style digital - Free postage - New and Used
Detection gas carbon • Monoxide sensor type • Electrochemistry style digital - Free postage - New and Used
Kidde carbon monoxide - kidde, - £22.49
Carbon monoxide • Alarm digital display • Copp lpm reliable - Free postage - New and Used
Carbon monoxide • Alarm digital display • Copp lpm reliable - Free postage - New and Used
Carbon monoxide - 4-in-1, - £29.99
Triple mode visual • Audio alarm system • Monitor travel features - Free postage - New and Used
Triple mode visual • Audio alarm system • Monitor travel features - Free postage - New and Used
Sense combination smoke - x-sense, & - £119.99
Sensitivity cr123a lithium • Battery replaceable interconnected • Alarm voice alert - Free postage - New and Used
Sensitivity cr123a lithium • Battery replaceable interconnected • Alarm voice alert - Free postage - New and Used
Safe alert 742 - safe-t-alert, white - £42.95
Listed 1484 2034 • Mti industries 742 • Safe alert series - Free postage - New and Used
Listed 1484 2034 • Mti industries 742 • Safe alert series - Free postage - New and Used
Carbon monoxide warning - carbon, - £9.99
Detection gas carbon • Monoxide sensor type • Electrochemistry style digital - Free postage - New and Used
Detection gas carbon • Monoxide sensor type • Electrochemistry style digital - Free postage - New and Used
Moes plug carbon monoxide - plug, - £62.99
Carbon monoxide • 999 ppm temperature • 999ppm loud accurate - Free postage - New and Used
Carbon monoxide • 999 ppm temperature • 999ppm loud accurate - Free postage - New and Used
First alert smoke - 2-in-1, - £39.00
First alert smoke • Carbon monoxide alarm • Wired voice location - Free postage - New and Used
First alert smoke • Carbon monoxide alarm • Wired voice location - Free postage - New and Used
Moes carbon monoxide - moes, - £25.64
Gas lv1 lv4 • Lel carbon monoxide • Detector test sensitivity - Free postage - New and Used
Gas lv1 lv4 • Lel carbon monoxide • Detector test sensitivity - Free postage - New and Used
Siterwell hardwired 1 - siterwell, in - £136.99
Self check function • This siterwell smoke • Combination detectors have - Free postage - New and Used
Self check function • This siterwell smoke • Combination detectors have - Free postage - New and Used
Moes mini carbon monoxide - mini, - £18.80
Equipped high precision • Sensor detectable concentration • Range 500ppm temperature - Free postage - New and Used
Equipped high precision • Sensor detectable concentration • Range 500ppm temperature - Free postage - New and Used
Google nest protect battery - protect, - £219.99
Expires september 2032 • Used google nest • Protect smoke detector - Free postage - New and Used
Expires september 2032 • Used google nest • Protect smoke detector - Free postage - New and Used
First alert smoke - alert, & - £58.00
Features like battery • Backup voice alerts • They provide peace - Free postage - New and Used
Features like battery • Backup voice alerts • They provide peace - Free postage - New and Used
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Everything you need to know about carbon monoxide
Whether you are looking for a brand-new or second-hand carbon monoxide, eBay offers one of the largest selections available online. With 48 active listings at the time of this page's last update, you have plenty of choice across different conditions, sellers and price points. The cheapest option currently starts at £5.79, while premium listings can reach £219.99 — giving you a wide budget spread to work with. The average price of £45.91 can serve as a useful benchmark: listings below this tend to be used or auction-style, while those above often include extra accessories, warranties, or are sold by professional sellers with high feedback scores. Always check the seller's feedback rating and return policy before committing to a purchase. If you need the item quickly, filter by "Buy It Now" to avoid the uncertainty of auctions. For used items, look closely at the condition description and photos — terms like "good", "very good" and "like new" can mean very different things depending on the seller.