Yes, Fernox Boiler Noise Silencer F2 is designed for use with any Fernox Protector.
It should be left permanently in the system with Protector F1 or Protector + Filter Fluid and replaced or topped up at the same time.
How to descale a hot water system manually
The damaging effects that limescale can have on the lifespan of a boiler and the energy efficiency of a central heating system are significant. Part L of the Building Regulations stipulates that where mains hard water exceeds 200 ppm, feed water to water heaters and the hot water circuit of combination boilers must have a scale reducing device fitted. Why
