Recent content by Cent

Thanks a lot for all responses.

Thank you for your response. If I open a cold tap, I can hear the water flows through those two vertical pipes with small noise (and some other pipes).

Mr Experts, Near the door in my flat, I got two vertical pipes from ceiling to floor, I think those pipes are filling in water for my flat. 1. Why I got two instead one (both pipes are cool)? 2. Some noise comes from the pipes, the noise happened in random time even nobody uses water in...