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initium2018 t1_iybml8w wrote

Reply to comment by geramanj95 in Tapping noise in ceiling! by geramanj95

Could be a Syphon for heating too maybe a little clogged

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geramanj95 OP t1_iybmwrq wrote

Do you mean something like a air vent to the outside?

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initium2018 t1_iybn4k8 wrote

More like a pipe with corrosion perhaps some condensation happens with the changes in temperature and the air or liquid inside makes a movement hence the noise. Just a wild guess

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