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Hello,

I have purchased the Ferroli combi boiler two years old. Nowadays, I am feeling that the boiler’s return pipes are very cold. I am not sure but I feel so. What should I do?

Thanks a lot

Smith

Hi Smith,

The cold return pipes are not just an issue with the Ferroli combi boiler, but all types of the boilers. The cold return pipes of the boiler represent the circulation error. By that, it means

• The boiler’s pump is not working
• There is a blockage

The best way out is to call a proficient boiler engineer. He will remove the cover on your Ferroli combi boiler in order to assess the current condition of a pump. If the problem persists after the detailed investigation, it is likely that you will have to power flush the boiler for removing the heating sludge.