Hi experts,
When the thermostat turns the heat on, there is a clicking noise (I attached the recording, sorry I had to zip it as it does not allow me to upload mp3 file directly). The continued noise is from the boiler, the clicking noise comes once every few seconds. Sometimes, it is more frequent and louder. It will go away after 30 seconds or so. This has been going on for some time, is this something that I should be concerned about?
Thank you,
Lud
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