• Brand: Fernox
  • Container Type: Bottle
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 BS 7593:2019, 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. Available in 500ml liquid bottle & 400ml Express aerosol canister. It is a non-hazardous product which is compatible with all metals commonly used in heating systems.
  • Features and More


  • Neutral Universal Cleaner for Pre-Commissioning New Systems in Accordance with BS 7593:2019
  • Removes Sludge, Limescale and Other Debris to Restore Heating Efficiency of Existing Systems
  • When Used in Conjunction with Protector F1 Gas Savings of up to 15% can be Achieved Every Time You Heat Your Room
  • Compatible with all Metals and Materials Commonly Used in Heating Systems
  • Easy to Use, System can be Left Running Normally During Cleaning
  • Suitable for Use with all Known Powerflushing Machines
  • PH Neutral, Non-Hazardous Formula (Coshh Rated Zero)


    Propane-1, 2-Diol, Benzotriazole