Description
Our 5kg CO2 steel fire extinguisher (89B) is a high-capacity carbon dioxide extinguisher designed for larger electrical risk areas and Class B flammable liquid risks where the premises fire risk assessment permits. CO2 fire extinguishers are commonly specified for plant rooms, switch rooms, server rooms, workshops, laboratories, warehouses and larger commercial premises because they leave no residue, helping protect sensitive electrical equipment and reduce clean-up disruption. When customers search for a “5kg CO2 fire extinguisher”, “89B CO2 extinguisher”, or “CO2 extinguisher for electrical rooms”, this steel model is a strong option where robust construction and high performance are required.
This unit is supplied complete with hose and horn, improving reach and control during discharge compared with smaller horn-only CO2 extinguishers. The steel cylinder format suits tougher environments where extinguishers may be exposed to knocks or heavier site conditions, while still delivering the clean CO2 performance expected for electrical panels, IT infrastructure and flammable liquid hazards. It is supplied with a wall mounting bracket so we can install it in clearly visible, accessible locations aligned to the fire risk assessment and the building’s fire safety arrangements.
Please note: This extinguisher is supplied uncommissioned. To ensure it has been correctly installed, identified and made ready for service, commissioning by a competent person is required. We can provide commissioning and installation services as part of our fire extinguisher supply package.
Technical Specification
Fire rating: 89B
Extinguishing medium: CO2 (carbon dioxide)
Capacity: 5kg
Dimensions: 660mm cylinder height x 159mm cylinder diameter
Filled weight: 13.00kg
Temperature range: -30°C to +60°C
Cylinder material: steel
Mounting: supplied with wall mounting bracket
Discharge: supplied with hose and horn
Certifications: BS EN 3; UKCA/CE approved
Warranty: 5 years
Maintenance: routine inspection and annual servicing expected in accordance with BS 5306-3




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