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WET CHEMICAL
EXTINGUISHERS
Wet chemical fire extinguishers are specifically designed for tackling Class F fires, which involve cooking oils and fats, making them essential for commercial kitchens such as those in restaurants, takeaways, and catering facilities.
These extinguishers contain a potassium-based solution that cools the fire and forms a soapy layer over the burning oil, effectively smothering the flames and preventing re-ignition. Recognisable by their yellow label under UK fire safety regulations (BS EN 3), wet chemical extinguishers can also be used on Class A fires involving solid combustibles like wood and paper.
They should be positioned near cooking equipment but not directly above it, and their use is strongly recommended—if not required—by UK fire safety legislation in any premises where deep fat frying takes place. Regular servicing by a qualified technician is necessary to ensure compliance and readiness in the event of a fire.


2L Wet Chemical Fire Extinguisher
This FireChief 2-litre wet chemical extinguisher is an excellent choice for mobile catering vans, small cafes, and compact kitchen spaces with a fire rating of 8A 34B 25F. Designed with a focus on safety and convenience, it offers reliable protection against Class F fires (deep fat and cooking oils) and is ideal for small fryers. While it's a fantastic solution for small kitchens, it's not suited for full commercial kitchens.

3L Wet Chemical Fire Extinguisher
Designed to withstand the demands of a professional kitchen, our 3 litre wet chemical extinguisher is a must-have where the risk of Class F fires from cooking oils and fats is a constant concern. Specially designed for deep-fat fryers and high-temperature cooking appliances, the wet chemical extinguisher effectively cools flames and creates a thick foam barrier, smothering the fire and preventing reignition.

6L Wet Chemical Fire Extinguisher
The 6-litre wet chemical fire extinguisher is the perfect choice for any commercial kitchen, specifically designed to safely tackle Class F fires involving deep fat fryers. No other type of fire extinguisher should be used in kitchens with cooking oils and fats. The potassium solution inside rapidly knocks out flames, cools the burning oil, and seals the surface to prevent re-ignition.






