Normally a treatment will last the life of the system but an annual check to determine whether further dosing is necessary is recommended.
If the system is drained, it will need to be re-treated with a further full dose of Protector. You can check if the system is properly dosed using a Fernox Protector Test Kit.
The TF1 Omega Filter collects all types of corrosion, scale and installation debris. By preventing these contaminants from circulating within a heating system, energy efficiency levels are optimised and the inconvenience of a system breakdown coupled with a major repair or replacement cost can be avoided.
Yes, all Fernox internal leak sealers, such as Fernox Leak Sealer F4, are safe for use with combination and other low water content boilers. They will not block valves or vents. Leak Sealer F4 Express is recommended for all pressurised systems as this can be added in 30 seconds via a radiator, filling loop or Fernox TF1 Filter, without the
