Fernox F3 Central Heating System Cleaner 500ml

Item Code: 354960338

£15.99 Ex VAT £19.19 Inc VAT

Sign in to buy

Not a Selco member? Get a free Account

  • Available in branch Check your local branch stock
  • Click & Collect Ready to collect within 30 minutes
  • Next Day Courier Delivery Contact your local branch for deliveries


Fernox Cleaner F3 is a quick and effective neutral cleaner for central heating systems. It is designed to removeall debris, sludge and scale from existing systems of all ages.

It has also been designed for pre-commission cleansing new installations inaccordance with BS7593:2006, removing flux residues and other debris, thereby helping extend the life of asystem.

For older sludged systems, Cleaner F3 is particularly effective when used in conjunction with a powerflushingunit. If the system is heavily scaled the use of Fernox DS40 System Cleaner is recommended.


  • 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
  • When used in conjunction with Protector F1 gas savings of up to 15% can be achieved every time you heat your room
  • Carbon Footprint certified by the Carbon Trust
  • 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
  • Neutral, non-hazardous formula (COSHH rated zero)


Volume (Litres) 500ml