Fernox Protector F1 Express Aerosol 400ml

Protects against corrosion and scale in mixed metal central heating systems to prevent breakdown and premature boiler failure.
Quick and convenient - doses in 30 seconds via radiator, filling loop or Fernox TF1 System Filter - no need to drain down the system.
Treats up to 130 litres of system water (16 radiators) and the equivalent of 250m2 of underfloor systems.
Supports boiler manufacturer's warranty requirements.
When used in conjunction with Cleaner F3 gas savings of up to 15% can be achieved every time you heat your room.
High performance, non toxic, environmentally friendly - NSF CIAS, KIWA and Belgaqua approved formulation.