Fernox F2 Boiler Noise Silencer Express — 400ml
The Fernox F2 Express is a high-performance internal treatment designed specifically to reduce boiler noise and "kettling." This rapid-dose aerosol makes application effortless, injecting directly into the system in just 30 seconds. By lifting localized scale and debris from the heat exchanger, F2 restores optimum heat transfer and ensures a significantly quieter, more efficient home heating environment.
Identification Guide:
Product: F2 Express | Application: Aerosol Injection | Volume: 400ml | Compatibility: All metals including Aluminium
Key Features
- Rapid Silencing: Targets the root cause of boiler whistling and banging.
- Quick Delivery: Express aerosol doses via radiator or filling loop with no mess.
- Energy Efficient: Improves heat transfer, helping to lower monthly fuel costs.
- Eco-Friendly: Non-toxic, pH-neutral formulation in a 100% recyclable canister.
System Compatibility
Fernox F2 is suitable for all types of boilers, including combination boilers and condensing units. It remains permanently in the system and is fully compatible with Fernox F1 Protectors.
Dosage: One 400ml canister treats a standard 100-litre system (approx. 10 radiators).



