Molo
Member
Hello,
I am wondering what are the most common causes of something like this before I start to tear things apart to troubleshoot. When the second floor washing machine is running it forces water into the third floor sink drain into the sink.
Thanks,
Molo
I am wondering what are the most common causes of something like this before I start to tear things apart to troubleshoot. When the second floor washing machine is running it forces water into the third floor sink drain into the sink.
Thanks,
Molo