Fernox F1 Central Heating Protector 265ml

Fernox F1 Protector provides long-term protection against corrosion and limescale in domestic central heating systems, helping to extend boiler life and maintain peak efficiency.

Formulated with enhanced pH buffering, it ensures system water remains within the optimal 6.58.5 range to prevent damage and scale build-up. Fully compliant with BS 7953:2019 best practice, it should be checked annually as part of routine boiler servicing.

This compact 265ml bottle treats up to 100L system volume (approx. 12 radiators or 190 sqm underfloor heating) and is designed with reduced packaging for a lower environmental impact.

Protects against corrosion & limescale
Suitable for mixed metal systems, including aluminium
Prevents radiator cold spots, sticking pumps & boiler noise
Maintains optimum pH control with high-performance buffering
Easy dosing via any Fernox TF1 Filter
Compatible with all Fernox products & system materials