Protector F1 is the market leading inhibitor which protects against corrosion and limescale formation in domestic central heating systems. Available in 500ml liquid bottle, 400ml Express aerosol canister and 290ml gel cartridge formats. Protector F1 is suitable for use with all metals and materials commonly used in heating systems. For long-term protection ensure concentration levels are maintained and checked annually as part of the boiler or system service. Protector F1 is compatible with all other Fernox products.

- Protects against corrosion and scale in mixed metal central heating systems

- When used in conjunction with Cleaner F3 gas savings of up to 15% can be achieved every time you heat your room

- Stops frequent venting of radiators

- Prevents sticking pumps and boiler noise

- Reduces maintenance costs and saves on fuel bills

- Prevents cold spots in radiators

- Non toxic, environmentally friendly