Viewing a single comment thread. View all comments

geramanj95 OP t1_iybmwrq wrote

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

1

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

1