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It forms when the water in the system reacts with the metal in radiators and pipes. Because sludge is heavier than water, it can settle in radiators and pipework and, if left to build up, it can damage the boiler and the system.
Your filter should be cleaned during your boiler’s annual service. This will prevent sludge building up in your system. Some filters come with an app that can warn you when they filter needs to be cleaned, so that you can arrange for your installer to visit before it gets too full.
Central heating sludge is a substance that builds up in central heating pipes as a result of rusted and dissolved metal settling in the system.
Having a magnetic filter installed is considered best practice when installing a new boiler, and your installer will be required to carry out a series of important steps to ensure their work is compliant with the Building Regulations in England and Wales.
A magnetic boiler filter is a small device that is installed into the pipework close to where the water goes back into a boiler. It is used to prevent the buildup of sludge within the pipework, which can cause the boiler to break down if left untreated.
