Battery Powered Carbon Monoxide Detectors
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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 Lifesaver 5CO

  • FREE delivery
  • 10 year life
  • 7 year manufacturer's warranty
  • LED status display
  • Battery operated
  • Kitemarked to BS EN 50291:2010
  • CE Marked 
  • AA batteries included
1 unit

£10.58 inc VAT

£8.82 ex VAT

2+ units

£9.98 inc VAT

£8.32 ex VAT

5+ units

£9.62 inc VAT

£8.02 ex VAT

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

  • FREE delivery
  • 7 year life
  • 7 year manufacturer's warranty
  • AA batteries included
  • Suitable for free standing or wall mounting
  • Kitemarked to BS EN50291-1 (domestic use)
  • Kitemarked to BS EN50291-2 (camping / caravans / boats)
1 unit

£12.08 inc VAT

£10.07 ex VAT

2+ units

£11.84 inc VAT

£9.87 ex VAT

5+ units

£11.72 inc VAT

£9.77 ex VAT

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10 Year Life LED Carbon Monoxide Detector -
Kidde 7COC

  • 10 year life
  • 10 year manufacturer's warranty
  • AA batteries included
  • Suitable for free standing or wall mounting
  • Kitemarked to BS EN50291-1 (domestic use)
  • Kitemarked to BS EN50291-2 (camping / caravans / boats)
1 unit

£12.47 inc VAT

£10.39 ex VAT

2+ units

£11.87 inc VAT

£9.89 ex VAT

5+ units

£11.51 inc VAT

£9.59 ex VAT

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

  • FREE delivery
  • 7 year sealed lithium battery
  • 7 year manufacturer's warranty
  • Clear digital display
  • Suitable for free standing or wall mounting
  • Kitemarked to BS EN50291-1 (domestic use)
  • Kitemarked to BS EN 50291-2 (camping, caravanning and travel)
1 unit

£15.98 inc VAT

£13.32 ex VAT

2+ units

£15.74 inc VAT

£13.12 ex VAT

5+ units

£15.62 inc VAT

£13.02 ex VAT

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

  • FREE delivery
  • 7 year sealed lithium battery
  • 7 year manufacturer's 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)
1 unit

£15.66 inc VAT

£13.05 ex VAT

2+ units

£15.42 inc VAT

£12.85 ex VAT

5+ units

£15.30 inc VAT

£12.75 ex VAT

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

  • FREE delivery
  • 10 year long life sealed lithium battery
  • 10 year manufacturer's warranty
  • LED status indicators
  • Suitable for wall mounting and free-standing
  • Kitemarked to BS EN 50291-1:2010
  • CE marked
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 Life LED Carbon Monoxide Alarm - FireAngel CO-9X-10

  • FREE delivery
  • 10 year long life sealed lithium battery
  • 10 year manufacturer's 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)
1 unit

£20.76 inc VAT

£17.30 ex VAT

2+ units

£20.16 inc VAT

£16.80 ex VAT

5+ units

£19.92 inc VAT

£16.60 ex VAT

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10 Year Long-Life Battery Digital Carbon Monoxide Alarm - Kidde 10LLDCO

  • FREE delivery
  • 10 year long life sealed lithium battery
  • 10 year manufacturer's warranty
  • Displays CO levels from 10ppm
  • Low volume test horn protects users ears
  • Kitemarked to BS EN50291-1 (domestic use)
  • CE marked
1 unit

£19.79 inc VAT

£16.49 ex VAT

2+ units

£20.39 inc VAT

£16.99 ex VAT

5+ units

£20.75 inc VAT

£17.29 ex VAT

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7 Year Life LED Carbon Monoxide Alarm - Honeywell XC70

  • 7 year manufacturer's warranty
  • Sealed 7 year long-life lithium battery
  • 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)
  • CE marked

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 delivery
  • Alkaline battery powered
  • Test and hush button feature
  • Combined optical smoke and CO alarm
  • 7 year warranty
  • Tested to BS EN 14604 and BS EN 50291-1
1 unit

£25.29 inc VAT

£21.08 ex VAT

2+ units

£24.09 inc VAT

£20.08 ex VAT

5+ units

£22.89 inc VAT

£19.08 ex VAT

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

  • 10 year sealed lithium battery
  • 5 Year Warranty
  • Combined optical smoke and carbon monoxide detector
  • Tested and certified to EN 14604 & EN 50291-1
  • Kitemarked and CE marked
1 unit

£29.99 inc VAT

£24.99 ex VAT

2+ units

£29.75 inc VAT

£24.79 ex VAT

5+ units

£29.63 inc VAT

£24.69 ex VAT

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7 Year Life Carbon Monoxide Alarm with Optional Digital Display - Ei207

  • 5 year manufacturer's warranty
  • Suitable for wall mounting and free-standing
  • CO Memory feature
  • Kitemarked to BS EN50291-1 (domestic use)
  • Kitemarked to BS EN50291-2 (camping / caravans / boats)
  • CE marked

From: £25.91 inc VAT

£21.59 ex VAT

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10 Year Life Carbon Monoxide Alarm with Optional Digital Display - Honeywell XC100

  • 10 year manufacturer's warranty
  • Sealed long-life lithium battery powered
  • Red "action text" warning message and emergency number
  • Available with or without LCD display
  • Suitable for free standing or wall mounting
  • Kitemarked to BS EN50291-1 (domestic use)
  • Kitemarked to BS EN50291-2 (camping / caravans / boats)
  • CE marked

Save 25%

From: £28.19 inc VAT

£23.49 ex VAT

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10 Year Life Carbon Monoxide Alarm with Optional Digital Display - Long Life Lithium Battery - Ei208W

  • 5 year manufacturer's warranty
  • Low noise test button
  • Optional LED or digital display
  • Sealed longlife battery
  • Kitemarked to BS EN50291-1 (domestic use)
  • Also kitemarked to BS EN50291-2 (camping / caravans / boats)
  • CE marked

From: £28.31 inc VAT

£23.59 ex VAT

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

  • Battery powered - 10 year sealed long life lithium battery
  • 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)
  • CE marked

£55.79 inc VAT

£46.49 ex VAT

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Nest Protect Battery Smoke and CO Alarm

  • 9V battery powered smart Wi-Fi alarm
  • Combined smoke and CO detector
  • Sends alerts/alarms to smartphone and all other Nest alarms
  • Safelincs EXCLUSIVE 5 year warranty
  • Works with Nest Thermostat and Nest Cam
  • Kitemarked to BS EN50291-1 (domestic use)
  • CE marked

£109.00 inc VAT

£90.83 ex VAT

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Safelincs Caravan Safety Kit

  • Includes smoke and CO alarms, extinguishing and first aid products
  • Battery powered alarms - no wiring required
  • Class F rating cooking oil fire extinguisher
  • Suitable for caravans and mobile homes
  • SAVE OVER £20.00 ON RRP

Save 29%

Now: £65.99 inc VAT

£54.99 ex VAT

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Safelincs Home Fire Safety Kit with Radio Interlink

  • Includes wireless radio-interlinked smoke and heat alarms
  • Wet chemical extinguisher suitable for cooking oil fires
  • St John Ambulance first aid kit provides the essentials for minor injuries
  • Ideal for two storey houses
  • SAVE OVER £30.00 ON WHEN BOUGHT AS A BUNDLE

Save 22%

Now: £155.99 inc VAT

£129.99 ex VAT

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HomeProtect 10 Year Combination Carbon Monoxide and Smoke Kitchen Alarm - Kidde WFPCO

  • Detects both carbon monoxide and smoke hazards
  • 10 year sensor and 10 year battery
  • End of life warning
  • Loud 85dB alarm
  • Designed for use in kitchens
  • Certified to EN 14604 and EN 50291

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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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