As I understand it , if you over use attachments , it come to a point where you can no longer add any attachments . You then have to go into the system and delete some attachments to make room . The post doesn't go away but the attachments do .
I was told that I could be fined for pumping water into the sewer system . But do what ypou have to do .
I was also told that the submersible cast iron sump pumps are better that the plastic pumps