Metallic sludge removed from an old heating system by a Magnaclean which would have fouled a new boiler.
Most boiler manufacturers recommend and in most cases require a system filter be fitted on the return pipe close to the boiler.
Failiure to do this will usually invalidate the manufacturers warranty.
System efficiency and boiler longevity is improved with the installation of a system filter which removes magnetic and non magnetic particles.
We currently recommend the Fernox TF1 Total Filter as this removes magnetic and non magnetic particulate.