




Ships same day if ordered by 12 pm
Manufacturer pricing rules prevent us from advertising our discount — no account or email required to see it.
Secure Payments
Easy Returns
Expert Advice
Fast Shipping
FERNOX Cleaner F3 Express is a non-foaming, pH neutral cleaner intended for central heating systems. This cleaner effectively eliminates sludge, scale, and debris to improve system efficiency and reduce noise from the boiler. It is also suitable for preparing new systems by removing installation residues. The product employs Barrier Pressure Pack technology, utilizing compressed air as a propellant, ensuring it is non-flammable and prevents air from entering the system.
This cleaner is designed for optimal performance in heating systems while ensuring user safety and equipment compatibility.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
Add install kit to cart
—
Thanks for subscribing!
This email has been registered!




