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CO2 Fire Extinguishers
CO2 fire extinguishers contain pure carbon dioxide which is a clean extinguishant, leaving no residue. These extinguishers are suitable for use on live electrical equipment and can also be used on class B (flammable liquid) fires such as petrol, oil, solvents. CO2 extinguishers are ideal for use in server rooms and rooms containing large amounts of electrical equipment.
Identifiable by a black label and the large discharge horn, a CO2 fire extinguisher is often paired with a foam or water extinguisher to cover multiple fire risks.
Our carbon dioxide extinguishers are Kitemarked to BS EN3 and are CE marked. They are supplied fully charged and come complete with a wall bracket. We recommend they are installed and commissioned by a BAFE certified engineer.
For more information about the different types of fire extinguishers visit our fire extinguisher guide.
9ltr Water & 2kg CO2 Fire Extinguisher Special Offer
One of the most common extinguisher combinations in office buildings in the UK. Suitable for Class A fires (Water) and electrical fires (CO2).
- FREE next working day delivery
- Water extinguisher rating: 21A
- CO2 extinguisher rating: 34B and electrical
- Suitable for offices, schools, warehouses, etc.
Refurbished 2kg CO2 Fire Extinguisher
Offering economical CO2 fire extinguisher solutions, these refurbished extinguishers are good quality, UK reworked units.
- Refurbished to high standards
- Rating 34B and electrical
- 1 Year Warranty
- Available with or without hose and horn
2kg CO2 Fire Extinguisher - UltraFire
Perfect for installation in server rooms & areas with high voltage, 2kg CO2's are light & easy to move & commonly partnered up with a foam or water extinguisher.
- Extinguisher Rating: 34B and electrical
- 10 Year Warranty
- Kitemarked to BS EN3 and CE marked
Polished Aluminium 2kg CO2 Fire Extinguisher
Highly polished aluminium, these CO2 fire extinguishers suit hotel lobbies, entrance halls and function rooms.
- Polished Aluminium 2kg CO2 Extinguisher
- Rating 34B and electrical
- Lloyd's registered
- CE marked
Anti-Magnetic 2kg CO2 Fire Extinguisher
Anti-magnetic extinguishers are installed in areas with sensitive electronic equipment such as MRI Scanning rooms where they will not interfere with the equipments performance.
- Ideal for hospitals and volatile environments
- 5 Year Warranty
- Kitemarked and CE marked
- Supplied with anti-magnetic wall bracket
9ltr Water Extinguisher, 2kg CO2 Fire Extinguisher & Double Stand - UltraFire Special Offer
With two high quality fire extinguishers plus double stand, this convenient bundle is popular in offices, shops, schools, warehouses, and more.
- FREE next working day delivery
- Water rating 21A, CO2 rating 34B + Electrically safe
- Sturdy & bright double red floor stand
- For fires on solid materials (class A) and flammable liquids (class B)
6kg Powder, 2kg CO2 Fire Extinguisher & Double Stand Special Offer
This money saving special offer features a 2kg CO2 and 6kg powder fire extinguisher, complete with double fire extinguisher stand, ideal for garages, warehouses and loading bays.
- FREE next working day delivery
- Powder Extinguisher Rating: 27A, 183B, C and Electrical
- CO2 Extinguisher Rating: 34B and Electrical
- Ideal for warehouses, garages and loading bays, etc.
6ltr Wet Chemical, 2kg CO2 Fire Extinguisher & Fire Blanket Special Offer
This money saving special offer, aimed at commercial and industrial kitchens, includes a 6ltr wet chemical extinguisher, a 2kg CO2 fire extinguisher and a 1.0m x 1.0m fire blanket.
- FREE next working day delivery
- Wet chemical extinguisher rating: 13A, 75F and Electrical
- CO2 extinguisher rating: 34B and Electrical
- Ideal for commercial and industrial kitchens
Refurbished 5kg CO2 Fire Extinguisher
Refurbished in the UK, these second-life cylinders are re-tested to ensure safety and effectiveness and they provide an economical alternative to new units.
- Refurbished to high standards
- Rating 55B and electrical
- 1 Year Warranty
- Available with or without hose and horn
5kg CO2 Fire Extinguisher - UltraFire
Most commonly found in server rooms, plant rooms with high voltage electrical equipment and areas with large volumes of flammable liquids.
- Extinguisher Rating 55B and electrical
- 10 Year Manufacturer's Warranty
- Kitemarked to BS EN3
- CE marked
Britannia Norfolk 10kg Wheeled CO2 Extinguisher
This Norfolk wheeled extinguisher applies carbon dioxide via a 6 metre reinforced hose for up to 22 seconds discharge over 4 metres, with the prestigious CE Mark and MED Marine Approval.
- Suitable for Class B fires involving live electrical equipment
- 10kg capacity
- CO2 (carbon dioxide) extinguishing agent
- MED Marine Approved
Britannia Norfolk 20kg Wheeled CO2 Extinguisher
This wheeled CO2 extinguisher utilises a 6 metre reinforced hose for up to 44 seconds discharge over 4 metres, tested to BS EN 1866-1 and with the prestigious MED Marine Approval.
- Suitable for Class B fires involving live electrical equipment
- 20kg capacity
- CO2 (carbon dioxide) extinguishing agent
- MED Marine Approved
2kg CO2 Fire Extinguisher - Thomas Glover PowerX
With a frost-free horn, wall bracket, and a 5 year warranty, this new 2kg CO2 extinguisher from Thomas Glover is exceptional value for money.
- FREE next working day delivery
- Rating: 34B, electrical
- 5 year manufacturer's warranty
- Kitemarked (BS EN3) and CE marked
This product has been discontinued
Please see our alternative product
6ltr Foam & 2kg CO2 Fire Extinguisher Special Offer
One of the most popular extinguisher combinations, foam and CO2 fire extinguishers are often seen paired in offices, schools, shops, etc. Suitable for Class A & Class B (Foam) and Class B & Electrical (CO2) fires.
- FREE next working day delivery
- Foam extinguisher rating: 21A, 144B, Dielectrical
- CO2 extinguisher rating: 34B
- Ideal for offices, schools, shops, etc.
This product has been discontinued
Please see our alternative product
6ltr Foam, 2kg CO2 Fire Extinguisher & Double Stand Special Offer
Combining two of the most popular fire extinguishers with a double extinguisher stand, this money saving special offer is ideal for offices, schools, shops, etc.
- FREE next working day delivery
- Foam extinguisher rating: 21A, 144B, dielectrical
- CO2 extinguisher rating: 34B
- Ideal for offices, classrooms and shops
This product has been discontinued
Please see our alternative product
Use of CO2 Extinguishers
What colour is a CO2 extinguisher?
What is a CO2 Extinguisher?
Use of CO2 Extinguishers
CO2 fire extinguishers were originally developed to deal with liquid fires such as burning petrol. The inert CO2 gas excludes oxygen from the surface of the liquid fire and stops the fire. These days CO2 fire extinguishers are mainly used to tackle fires involving live electrical equipment. Carbon dioxide extinguishers do not leave any residue when discharged and so usually do not cause any damage to equipment such as computers or servers. The cold temperature and electrostatic shock from the CO2 gas can however damage very sensitive electronic equipment in some cases. A CO2 extinguisher is often paired with a foam or water extinguisher to form a fire point in offices and other commercial premises. This pairing covers all common fire types found in these environments, with the CO2 extinguisher covering any electrical and class B risks and the foam or water extinguisher covering class A risks.
CO2 fire extinguishers should be used with care as they can be a risk to human health if they are not used correctly. CO2 gas is poisonous and should not be used in confined spaces. This type of extinguisher should always be discharged with the frost-free horn attached due to the risk of freeze burns to the user.
What colour is a CO2 extinguisher?
CO2 fire extinguishers can be recognised by the black identification field with the words CO2 or 'Carbon Dioxide' printed on this black field. CO2 extinguishers also have no pressure gauge and a discharge horn rather than a hose. A CO2 extinguisher should also be accompanied by an ID sign fixed nearby that details its suitability for each type of fire risk.
What is a CO2 Extinguisher?
CO2 fire extinguishers contain only CO2 gas (carbon dioxide) in a highly compressed format (55 bar pressure). CO2 is inert, will evaporate without trace and suffocates fire by starving the fire of oxygen. As the CO2 expands through the jet (horn), it becomes very cold, so cold in fact that the gas can cause frost damage to skin. Therefore, when choosing your CO2 extinguisher, make sure that you select an extinguisher with frost-free horn.
Because of the high pressure in CO2 extinguishers, they must not be stored near radiators or in direct sunlight. If they get hot, the pressure will quickly rise and a safety valve will open to release the high pressure. As a result your CO2 extinguisher will then contain less CO2 as you would expect.
Also, never use the CO2 extinguisher without the horn being fitted; the horn acts as a pressure reducer and if removed, the CO2 fire extinguisher will discharge rapidly which can seriously injure the user.