Power flushing carried out with magnetic filter attached. Powerflushing cleans radiators, boiler from sludge, iron oxide deposits, debris. It is important to refill and maintain a clean heating system by adding an inhibitor to it, this helps to prevent future corrosion. Inhibitor should be added periodically. Your local Croydon plumber It has taken the majority of installers many years to realise the benefits and full potential that powerflushing can bring to old, dirty heati