Cleaner F3 is a heavy duty, pH neutral cleaner which is designed to remove sludge, scale and debris in existing and /or aged systems. It is ideal for use when powerflushing to aid the cleaning process and to restore heating efficiency. In accordance with BS7593:2006 for long term protection the system should be thoroughly cleaned and flushed.
As with all Fernox Cleaners, Cleaner F3 Express is an effective neutral cleaner, it is ideal for use when powerflushing to aid the cleaning process and to restore heating efficiency.
In accordance with BS7593:2019 for long term protection the system should be thoroughly cleaned and flushed.
F3 Express will protect a large system (130 litres or up to 16 single radiators) and maybe added via a radiator or filling loop.
Fernox Cleaner F3 Express can be dispensed directly into a radiator air vent or system filling loop using the appropriate special adaptor supplied with the product.
Manufacturer Model No
Next Day Delivery
One or more item(s) in your basket aren't available for delivery to
Unfortunately, we were unable to find any substitute items to replace them with. To continue with the order we will have to remove them from your basket.
If you would like to prevent any changes, press cancel.