Fernox 56600 500ml F3 Cleaner central heating Cleaner F3 is an effective cleaner to remove sludge, scale and debris from new existing central heating systems. Description Cleaner F3 is an effective, universal pH neutral cleaner. It 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 BS7593:2006, Cleaner F3 removes flux residues and other debris to help extend the life of the boiler and the efficiency of the system. It is ideal for use when powerflushing to accelerate the cleaning process.
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