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Battery Powered Carbon Monoxide Detectors

Our battery powered Carbon Monoxide detectors warn you of Carbon Monoxide with a very loud alarm sound and offer an LED or digital display. They are covered by 5, 7 or 10 year manufacturer's warranties and all of our alarms, as a minimum requirement, comply to the latest British Standards (BS EN50291-1:2010+A1:2012).

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10 Year Life LED Carbon Monoxide Detector - Kidde 5CO

  • FREE delivery
  • Product Life: 10 years
  • Battery: AA batteries included
  • Warranty: 7 year warranty
  • LED status display
  • CE Marked 
  • Kitemarked to BS EN 50291-1:2010
84 Customer Reviews
1 unit

£11.99 inc VAT

£9.99 ex VAT

2+ units

£11.39 inc VAT

£9.49 ex VAT

5+ units

£11.03 inc VAT

£9.19 ex VAT

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10 Year Life LED Carbon Monoxide Detector -
Kidde 7CO

  • FREE Delivery
  • Product Lifespan: 10 years
  • Battery: AA batteries included
  • Warranty: 10 year warranty
  • Ideal for domestic use and camping / caravans / boats
  • Kitemarked to BS EN50291-1
  • Kitemarked to BS EN50291-2
12 Customer Reviews
1 unit

£13.29 inc VAT

£11.08 ex VAT

2+ units

£12.69 inc VAT

£10.58 ex VAT

5+ units

£12.33 inc VAT

£10.28 ex VAT

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10 Year Life Digital Display Carbon Monoxide Alarm - Kidde 5DCO

  • FREE delivery
  • Product Life: 10 years
  • Battery: AA batteries included
  • Warranty: 7 year warranty
  • Displays CO levels from 10ppm
  • Peak Level Memory - recalls highest CO levels
  • CE Marked
  • Kitemarked to BS EN 50291-1:2010
50 Customer Reviews
1 unit

£15.10 inc VAT

£12.58 ex VAT

2+ units

£14.50 inc VAT

£12.08 ex VAT

5+ units

£14.14 inc VAT

£11.78 ex VAT

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10 Year Long-Life Battery LED Carbon Monoxide Detector - Kidde 10LLCO

  • FREE delivery
  • Product Lifespan: 10 years
  • Battery: Built-in, lasts the life time of your product – GUARANTEED
  • Warranty: 10 year warranty
  • Suitable for wall mounting and free-standing
  • Kitemarked to BS EN 50291-1:2010
24 Customer Reviews
1 unit

£17.99 inc VAT

£14.99 ex VAT

2+ units

£17.39 inc VAT

£14.49 ex VAT

5+ units

£17.03 inc VAT

£14.19 ex VAT

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10 Year Long-Life Battery Combination Carbon Monoxide and Smoke Alarm - Kidde WFPCO

  • FREE delivery
  • Product Lifespan: 10 years
  • Battery: Built-in, lasts the lifetime of your alarm - GUARANTEED
  • Warranty: 10 year warranty
  • Detects both carbon monoxide and smoke hazards
  • Certified to EN 14604:2005
  • Certified to EN 50291-1:2010
1 unit

£23.99 inc VAT

£19.99 ex VAT

2+ units

£23.75 inc VAT

£19.79 ex VAT

5+ units

£23.39 inc VAT

£19.49 ex VAT

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Kidde 5CO Carbon Monoxide Detector & 29HD Optical Smoke Alarm Special Offer

  • FREE delivery
  • Battery powered carbon monoxide detector
  • Kitemarked and CE marked
  • Battery powered optical smoke alarm
  • Certified to BS EN 14604:2005
21 Customer Reviews

£17.58 inc VAT

£14.65 ex VAT

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Kidde 10LLCO Carbon Monoxide Detector & 10Y29 Optical Smoke Alarm Special Offer

  • FREE delivery
  • 10 year battery powered carbon monoxide detector
  • Kitemarked and CE marked
  • 10 year battery powered optical smoke alarm
  • Certified to BS EN 14604:2005
  • Kitemarked and CE marked
5 Customer Reviews

£31.88 inc VAT

£26.57 ex VAT

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7 Year Life LED Carbon Monoxide Alarm - FireAngel CO-9B

  • Product Life: 7 years
  • Battery: AA batteries included
  • Warranty: 7 year warranty
  • Suitable for free standing or wall mounting
  • Ideal for domestic use and camping / caravans / boats
  • Kitemarked to BS EN50291-1
  • Kitemarked to BS EN50291-2
278 Customer Reviews
1 unit

£11.89 inc VAT

£9.91 ex VAT

2+ units

£11.65 inc VAT

£9.71 ex VAT

5+ units

£11.53 inc VAT

£9.61 ex VAT

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7 Year Life Digital Display Carbon Monoxide Alarm - FireAngel CO-9D

  • Product Lifespan: 7 years
  • Battery: Sealed lithium battery
  • Warranty: 7 year warranty
  • Clear digital display
  • Free standing or wall mounting
  • Suitable for domestic use and camping / caravans / travel
  • Kitemarked to BS EN 50291-1 and BS EN 50291-2
270 Customer Reviews
1 unit

£16.85 inc VAT

£14.04 ex VAT

2+ units

£16.61 inc VAT

£13.84 ex VAT

5+ units

£16.49 inc VAT

£13.74 ex VAT

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7 Year Life LED Carbon Monoxide Alarm - FireAngel CO-9X

  • Product Lifespan: 7 years
  • Battery: Longlife lithium battery
  • Warranty: 7 year warranty
  • LED status indicators
  • Suitable for free standing or wall mounting
  • Kitemarked to BS EN50291-1 (domestic use)
  • Kitemarked to BS EN50291-2 (camping / caravans / boats)
74 Customer Reviews
1 unit

£15.11 inc VAT

£12.59 ex VAT

2+ units

£14.87 inc VAT

£12.39 ex VAT

5+ units

£14.75 inc VAT

£12.29 ex VAT

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10 Year Life LED Carbon Monoxide Alarm - FireAngel CO-9X-10

  • Product Lifespan: 10 years
  • Battery: Built-in, lasts the life time of your product – GUARANTEED
  • Warranty: 10 year warranty
  • LED status indicators
  • Suitable for free standing or wall mounting
  • Kitemarked to BS EN50291-1 (domestic use)
  • Kitemarked to BS EN50291-2 (camping / caravans)
155 Customer Reviews
1 unit

£21.70 inc VAT

£18.08 ex VAT

2+ units

£21.10 inc VAT

£17.58 ex VAT

5+ units

£20.86 inc VAT

£17.38 ex VAT

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7 Year Life LED Carbon Monoxide Alarm - Honeywell XC70

  • Product Lifespan: 7 years
  • Battery: Built-in, lasts the life time of your product – GUARANTEED
  • Warranty: 7 year warranty
  • LED status indicators
  • Suitable for free standing or wall mounting
  • Reduced sound level test feature
  • Kitemarked to BS EN50291-1 (domestic use)
  • Kitemarked to BS EN50291-2 (camping / caravans / boats)
48 Customer Reviews

Save 21%

Now: £22.79 inc VAT

£18.99 ex VAT

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Carbon Monoxide and Smoke Combination Alarm - First Alert SCO5UK

  • FREE economy delivery
  • Product Lifespan: 7 years
  • Battery: 2 x AA alkaline battery (included)
  • Warranty: 7 year warranty
  • Test and hush button feature
  • Combined optical smoke and CO alarm
  • Certified to BS EN 14604:2005 (smoke)
  • Certified to BS EN 50291-1:2010 (carbon monoxide)
14 Customer Reviews
1 unit

£20.39 inc VAT

£16.99 ex VAT

2+ units

£20.03 inc VAT

£16.69 ex VAT

5+ units

£19.55 inc VAT

£16.29 ex VAT

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10 Year Life Combination Optical Smoke and CO Alarm - FireAngel SCB10-R

  • Product Lifespan: 10 years
  • Battery: Built-in, lasts the life time of your product - GUARANTEED
  • Warranty: 5 Year Warranty
  • Combined optical smoke and carbon monoxide detector
  • Ideal for hallways, bedrooms and living areas
  • Sleep Easy™ function
  • Kitemarked to EN 14604:2005 (smoke detection)
  • Kitemarked to EN 50291-1 (carbon monoxide detection)
1 Customer Reviews
1 unit

£26.89 inc VAT

£22.41 ex VAT

2+ units

£26.65 inc VAT

£22.21 ex VAT

5+ units

£26.53 inc VAT

£22.11 ex VAT

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10 Year Life Carbon Monoxide Alarm with Long Life Lithium Battery - Ei208

  • Product Lifespan: 10 years
  • Battery: Built-in, lasts the life time of your product – GUARANTEED
  • Warranty: 5 year warranty
  • Low noise test button
  • Combined Test/Hush button
  • Kitemarked to BS EN50291-1 (domestic use)
  • Kitemarked to BS EN50291-2 (camping / caravans / travel)
13 Customer Reviews

£26.48 inc VAT

£22.07 ex VAT

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10 Year Life Radio-Interlinked Carbon Monoxide Alarm - FireAngel W7-CO-10X

  • Product Lifespan: 10 years
  • Battery: Built-in, lasts the life time of your product – GUARANTEED
  • Warranty: 7 year warranty - EXCLUSIVE to Safelincs
  • LED status indicators
  • Suitable for free standing or wall mounting
  • Kitemarked to BS EN50291-1 (domestic use)
  • Kitemarked to BS EN50291-2 (camping / caravans / boats)
12 Customer Reviews

£55.79 inc VAT

£46.49 ex VAT

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Symptoms of Carbon Monoxide poisoning

Symptoms of Carbon Monoxide poisoning

The symptoms of CO poisoning are similar to those of a viral infection, such as headache, nausea, dizziness, sore throat and dry cough.
The seriousness of the poisoning depends from the concentration of CO in the air and the duration of exposure.

At 50ppm (parts per million), an exposure for longer than 30 minutes will start to affect your health.

At 200ppm you will get a slight headache after 2-3 hours.

At 400ppm strong frontal headache, becoming widespread after 3 hours.

At 800ppm Dizziness, nausea, convulsions, insensible after 2 hours.
What is Carbon Monoxide?

What is Carbon Monoxide?

Carbon Monoxide is created as a by-product of incomplete combustion of fuels containing carbon such as wood, gas, oil, etc. It occurs, if boiler flues are getting blocked, chimneys close up or if gas flames are not correctly adjusted. As Carbon Monoxide (also called short CO) cannot be smelled or tasted the increase in CO concentration goes unnoticed. However, even slight increases of CO have serious health implications. You therefore need Carbon Monoxide detectors to find out if you have CO in your building. If your detector goes off, switch off all fuel burning appliance, open all windows and leave the building. You then need to call your gasboard.

How do Carbon Monoxide Detectors display the presence of CO?

How do Carbon Monoxide Detectors display the presence of CO?

There are largely two alternative ways for a carbon monoxide alarm (CO alarm) to display the presence of dangerous levels of carbon monoxide:


LED warning lights together with an alarm siren

Digital display of actual CO concentration readings and an audible alarm when dangerous levels are reached.


CO detectors with LED display will only trigger an alarm at over 50ppm (number of CO molecules per million air molecules), a level that ignores the damaging impact of long term lower concentration exposure, believed to be somewhere around 20ppm. This limitation is unfortunately cast in iron by a British Standard.

CO detectors with digital display, while still only audibly alarming at over 50ppm, will at least display the actual CO concentration, even at very low concentrations such as 10ppm. Some of them, for example the CO9D detector, will even allow you to read the maximum concentration of CO the detectors has measured since the last query by pressing a button.

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