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Central Heating

Flushing & pipes

I had a new heating element replaced for Worcester Bosch boiler ,it is 5 years old.I am told the reason the element went was because of sludge in the radiators and will need flushing ,however I am also told that even though this is done it is not going to solve the problem in the long run and as my copper pipes coming out of all the radiators are very small and therefore best to replace it with 15mm pipes everywhere.Is this the best solution ?Will I still need to flush the system?

1 Answer from a MyBuilder Heating Engineer

Best Answer

Hello, If you have the pipes replaced you will still require the radiators flushing to remove the dirt and debris from them. A power flush done properly should remove the dirt from your radiators even on micro bore pipes(8mm and 10mm) in rare cases I have manually flushed large radiators by removing them and washing through with a hose when the flush was not working correctly. Also the use of a magnetic system filter after flushing will protect the boiler and system.


Answered 9th Dec 2015

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