Fernox F3 Central Heating Cleaner 265ml

Removes sludge, scale and debris from new and existing central heating systems to improve boiler efficiency. Suitable for use with powerflushing machines.


An effective, universal pH neutral, non-foaming liquid cleaner, which removes sludge, scale and debris from existing central heating systems to restore heating efficiency and eliminate boiler noise. When commissioning new systems in accordance with BS 7593:2019 regulations and best practice, Cleaner F3 is ideal to remove flux residues and other installation debris to help extend the life of the boiler and the efficiency of the system. It is suitable for use when powerflushing to accelerate the cleaning process in existing and contaminated systems. A non-hazardous product which is compatible with all metals commonly used in heating systems, including aluminium.

• Neutral universal cleaner for pre-commissioning new systems in accordance with BS7593:2006
• Removes sludge, limescale and other debris to restore heating efficiency of existing systems
• Compatible with all metals and materials commonly used in heating systems
• pH Neutral, non-hazardous, non-foaming formula, which is fast and easy to remove from the system
• Treats an average sized UK home of up to 100L, 12 radiators and 190 sqm of underfloor heating. Smaller volume product – less packaging waste and lower environmental impact.