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With winter coming up, I started to heat the house and for the first time the radiator pipes are starting to whistle when I heat and then shut down the system. I have a big house and I need to shut down the heating system regularly if I do not want to blow out my budget. I went in the basement to inspect the system and I saw that the bottom of my boiler is leaking: could this be the reason why the pipes are whistling or is the issue coming from an another source?

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1 Answer 1

You might have air in the pipework to the radiators. You can bleed air from the system's heating circuit (usually a bleed valve is present at the highest point in the pipework)

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and from individual radiators.

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Details vary depending on which side of the planet you are standing.

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