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Carbon Monoxide (CO) Detectors & Alarms

Carbon Monoxide is a potentially deadly gas, which is odourless, tasteless & colourless making it notoriously difficult to detect. The best way to protect yourself is by installing a Carbon Monoxide Detector & Alarm.

With a wide range available including battery operated & mains powered Carbon Monoxide alarms, from leading manufacturers including Aico, FireAngel, Honeywell & Kidde, you can be sure to find the right Carbon Monoxide Detector to protect you from this silent killer.

Need help choosing the correct model - view our CO Detector Comparison Chart


  • Kidde 900-0259 Carbon Monoxide Detector & Alarm

    in stock In Stock for next day delivery

    Special Offer: Was £13.95. Now £12.45 + VAT

    The Kidde 900-0259 Carbon Monoxide Detector & Alarm has an expected life of 7 years.
    Its latest sensor technology provides ideal protection against carbon monoxide...

    Bulk discounts are available for this product

    Rating: 5 stars

    Price: £12.45 + VAT

    Kidde 900-0259 Carbon Monoxide Detector & Alarm
  • FireAngel CO-9B Carbon Monoxide Detector & Alarm - 7 Year Life

    in stock In Stock for next day delivery

    This Best Selling CO-9B Carbon Monoxide Detector, has a class leading 7 year sensor life and is battery powered. Coming from the new range of FireAngel CO Alarms it uses the latest technology to fight this silent killer.

    Bulk discounts are available for this product

    Rating: 5 stars

    Price: £14.95 + VAT

    FireAngel CO-9B Carbon Monoxide Detector & Alarm - 7 Year Life
  • FireAngel CO-808S Carbon Monoxide Detector & Alarm - 7 Year Life & Sealed Battery

    in stock In Stock for next day delivery

    Special price for a limited time only.

    Complies with Building Regulations Approved Document J & NCC Approved. The
    FireAngel CO-808S provides early warning of the presence of CO in your ...

    Bulk discounts are available for this product

    Rating: 5 stars

    Price: £16.45 + VAT

    FireAngel CO-808S Carbon Monoxide Detector & Alarm  - 7 Year Life & Sealed Battery
  • FireAngel CO-9X Carbon Monoxide Detector & Alarm - 7 Year Life & Sealed Battery

    in stock In Stock for next day delivery

    Complies with Building Regulations Approved Document J & NCC Approved. The CO-9X Carbon Monoxide Detector, has a class leading 7 year sensor life and a 7 year sealed Battery. Coming from the new range of Fire...

    Bulk discounts are available for this product

    Rating: 5 stars

    Price: £17.95 + VAT

    FireAngel CO-9X Carbon Monoxide Detector & Alarm - 7 Year Life & Sealed Battery
  • Honeywell H450EN (prev. SF450EN) Carbon Monoxide Detector & Alarm - 7 Year Life

    in stock In Stock for next day delivery

    Complies with Building Regulations Approved Document J - The Honeywell H450EN (previously called SF450EN) is a popular unit (as supplied by British Gas amongst others) and is designed for use...

    Bulk discounts are available for this product

    Rating: 5 stars

    Price: £18.50 + VAT

    Honeywell H450EN (prev. SF450EN) Carbon Monoxide Detector & Alarm - 7 Year Life
  • FireAngel CO-9D Digital Carbon Monoxide Detector & Alarm - 7 Year & Sealed Battery

    in stock In Stock for next day delivery

    Complies with Building Regulations Approved Document J & NCC Approved.The New CO-9D Digital Carbon Monoxide detector provides early warning of the presence of low or high levels of CO in your home through its...

    Bulk discounts are available for this product

    Rating: 5 stars

    Price: £20.95 + VAT

    FireAngel CO-9D Digital Carbon Monoxide Detector & Alarm  - 7 Year & Sealed Battery
  • Aico Ei208W Carbon Monoxide Detector & Alarm - 6 Year Life

    in stock In Stock for next day delivery

    The new Aico Ei208W Carbon Monoxide Detector & Alarm, powered by a sealed Lithium battery, with 5 year manufacturer's guarantee.

    Bulk discounts are available for this product

    Rating: Not yet rated

    Price: £22.95 + VAT

    Aico Ei208W Carbon Monoxide Detector & Alarm - 6 Year Life
  • Aico Ei220EN Carbon Monoxide Detector & Alarm - 5 Year Life - Mains Powered Plug In

    in stock In Stock for next day delivery

    The Ei220EN is a Carbon Monoxide (CO) alarm is powered by 230V mains through the attached mains lead cord and plug. The CO alarm is housed in an attractive slimline casing and can be easily secured to a wall or ceiling – the ...

    Bulk discounts are available for this product

    Rating: 5 stars

    Price: £27.99 + VAT

    Aico Ei220EN Carbon Monoxide Detector & Alarm - 5 Year Life - Mains Powered Plug In
  • Kidde 900-0122-UK Combined Carbon Monoxide - Smoke Detector & Alarm

    in stock In Stock for next day delivery

    Kidde's Combined Smoke & Carbon Monoxide Detector and Alarm is unique, being the only combined unit on the market at current.

    Bulk discounts are available for this product

    Rating: 5 stars

    Price: £21.95 + VAT

    Kidde 900-0122-UK Combined Carbon Monoxide - Smoke Detector & Alarm
  • Honeywell SF340E Mains Powered Carbon Monoxide Alarm

    in stock In Stock for next day delivery

    The Honeywell SF340E carbon monoxide alarm is the world’s first hard wired CO alarm with battery backup to be officially approved and Kitemarked to BS7860, the British Standard for domestic CO alarms.

    Bulk discounts are available for this product

    Rating: Not yet rated

    Price: £40.95 + VAT

    Honeywell SF340E Mains Powered Carbon Monoxide Alarm
  • Honeywell SF340F Mains Powered C/W Relay & Interconnect Facility CO Alarm

    in stock In Stock for next day delivery

    The Honeywell SF340F is a reliable, hard wired carbon monoxide alarm with battery backup, Relay & Interconnect Facility.

    Bulk discounts are available for this product

    Rating: Not yet rated

    Price: £51.95 + VAT

    Honeywell SF340F Mains Powered C/W Relay & Interconnect Facility CO Alarm

All the above Carbon Monoxide (CO) Detectors & Alarms are Kitemarked to British Standards.

Our range of Carbon Monoxide Detectors are from the UK’s leading manufacturers: Aico, FireAngel, Honeywell & Kidde. The CO detectors we stock have a minimum 5 year manufacturer’s guarantee and sensor life.

What are the Dangers Of Carbon Monoxide (CO) ?

Exposure to Carbon Monoxide has many dangers, and can potentially be fatal. CO replaces the oxygen within the blood which kills cells, this starves the vital organs of oxygen which can lead to severe consequences.

In small doses CO can cause a range of symptoms including:

  • Nausea & Dizziness
  • Feeling Tired & Confused
  • Vomiting
  • Abdominal Stomach Pains
  • Shortness of Breath & Difficulty Breathing
  • Flu Like Symptoms

Severe exposure to Carbon Monoxide can cause many long lasting effects such as:

  • Confusion
  • Memory Loss
  • Co-ordination Problems
  • Brain Damage

In extreme cases, exposure to Carbon Monoxide gas can lead to fatality.

Protect yourself and your family when away on holiday - a CO Detector could save lives

Ideal for taking on holiday, most alarms weigh under 0.3kg and being compact do not take up much room in a suitcase. Many recent incidents have unfortunately highlighted the dangers of Carbon Monoxide Poisoning when on holiday which a portable Carbon Monoxide Alarm could potentially have prevented.

Many of the Carbon Monoxide Detectors & Alarms we offer are approved by the NCC (National Caravan Council) - these units are sealed for life which is ideal for your caravan or motorhome and include theFireAngel CO-9X, Honeywell H450EN & FireAngel CO-9D.

Domestic Carbon Monoxide alarms for the home

All of the Carbon Monoxide Detectors we sell are ideal for domestic use, being compact, ergonomically designed and great value.They are extremely easy to install with some being free-standing requiring no installation. (excluding the Honeywell 340 Range)

For further information please read our
Carbon Monoxide Detector Installation Guidelines and Carbon Monoxide FAQ’s.


For any further information, please call our sales and advice team – 0800 955 3600