Fernox F1 Central Heating Inhibitor & Protector 500ml

Provides long term protection against corrosion and limescale formation in domestic central heating systems. Inhibitor which prevents corrosion and limescale formation in central heating systems. Includes enhanced pH buffering to ensure the system water pH level does not drop below 6.5 or above 8.5 - the optimum pH range for preventing corrosion and limescale build-up. In line with BS 7953:2019 regulations and best practice, and for long-term protection of the system, concentration levels should be maintained and checked annually as part of the boiler or system service. Compatible with all other Fernox products and is suitable for use with all materials and metals used in central heating systems, including aluminium. • Protects against corrosion and scale in mixed metal central heating systems • Stops frequent venting of radiators • One 500ml recyclable bottle treats up to 130 litres of system water (16 radiators) and the equivalent of 250m2 of underfloor systems.