Fernox F3 Central Heating System Cleaner 500ml

Item Code: 354960338

£15.99Ex VAT£19.19 Inc VAT
Click & CollectReady to collect from a branch in 30 minutes
DeliveryFree next day delivery options available (restrictions apply)
Fernox F3 System Cleaner effectively removes sludge, scale and debris from an existing central heating system, helping to restore heating efficiency and eliminating boiler noise. It’s easy to use and allows the system to be left running normally when cleaning.


  • Easy to use
  • Improves heating efficiency and extends life of boiler
  • Removes sludge, scale and debris
  • Ideal for use when powerflushing to accelerate cleaning process
  • Compatible with all metals and materials used in heating systems
  • One 500ml bottle is enough to clean an average sized central heating system
Volume (Litres)500ml
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