Fernox Power Cleaner F8 is a super strength, fast-acting cleaner for heavily contaminated, dirty a...Fernox Power Cleaner F8 is a super strength, fast-acting cleaner for heavily contaminated, dirty and problem central heating systems. Its citrate-based, pH neutral formulation removes debris, sludge and scale without the need to neutralise. It helps extend the life of a system and restore heating efficiency in accordance with BS 7593:2019 and best practice. Part of the tried and tested Fernox Cleaner range, one 500ml bottle of Power Cleaner F8 is sufficient to clean a large domestic central heating system (130 litres or 16 radiators) which treats 97% of UK domestic housing stock. Easy to use, the system can operate normally during the cleaning process. Power Cleaner F8 accelerates all cleaning processes; powerflush, manual and magnetic flushes and is compatible with all metals and materials commonly used in heating systems, including aluminium. Citrate-based cleaner for use in heavily contaminated systems in accordance with BS 7593:2019. One bottle treats up to 130 litres, 16 radiators and 250 sqm of underfloor heating which covers 97% of UK homes. Fast-acting; accelerates all cleaning processes including powerflushing, manual and magnetic flushes. Removes sludge, limescale and corrosion debris, Non-acidic (pH neutral), non-toxic, non-foaming. Compatible with all metals and materials commonly used in heating systems, including aluminium.
This guide is for homeowners and heating engineers looking to clean and maintain central heating systems. Fernox F8 Power Cleaner is designed to remove sludge, scale, and debris, restoring efficiency and extending system life. It's a powerful cleaner, but proper usage and compatibility checks are essential for optimal results.
All features
Model Part Number
F8
Brand
Fernox
Extended Product Information
FAQs
How much Fernox F8 do I need?
One 500ml bottle is sufficient to treat a typical domestic central heating system (up to 130 liters or 16 radiators).
Can I use Fernox F8 with all types of heating systems?
Yes, it is compatible with all metals and materials commonly used in heating systems, including aluminum.
How long should I leave Fernox F8 in the system?
Follow the manufacturer's instructions, typically circulating for a few hours at normal operating temperature.
Do I need to neutralise Fernox F8 after use?
No, it is a pH-neutral formula and does not require neutralization.
What should I do after using Fernox F8?
Flush the system with clean water until it runs clear and add a Fernox inhibitor for ongoing protection.
Is Fernox F8 safe for the environment?
Yes, it is non-toxic and non-foaming.
Can I use Fernox F8 in underfloor heating systems?
Yes, it is suitable for use in underfloor heating systems, covering up to 250 sqm.
What is the shelf life of Fernox F8?
Shelf life information is typically printed on the product packaging. Refer to the label for the expiry date.
Troubleshooting
Reduced heating efficiency after cleaning.
Ensure the system was flushed properly after cleaning to remove all residue. Recheck the system's balance and adjust as needed.
Cleaner not circulating properly.
Check the pump for blockages or airlocks. Ensure all valves are open.
System leaks after cleaning.
Inspect joints and components for potential leaks due to the removal of build-up. Tighten or replace components as necessary.
Pros and Cons
Pros
Efficiently removes sludge, scale, and corrosion.
Restores heating efficiency.
Compatible with a wide range of materials.
Easy to incorporate into existing cleaning processes.
Non-acidic and non-toxic formula.
Covers a large range of domestic systems.
Cons
Requires proper system assessment before use.
May not fully resolve heavily damaged systems.
Proper flushing after cleaning is required.
Effectiveness depends on the severity of contamination.
Setup, Compatibility & Care
Setup
System Assessment: Before use, inspect the system for leaks or other pre-existing issues.
Application Point: Identify the correct entry point (radiator or filling loop).
Dosage: Refer to the product label for the correct dosage based on system size.
Compatibility
Fernox F8 is compatible with all metals and materials commonly used in central heating systems, including aluminum.
It is suitable for use with a variety of system components.
Care
Always follow the manufacturer's guidelines for dosage and application.
Wear appropriate personal protective equipment (PPE) during application.
Ensure proper ventilation during the cleaning process.
After cleaning, always flush the system thoroughly and add a suitable inhibitor to prevent future build-up.