Can anyone tell what the name o\f this thing is and what exactly it does (see pics). I assume it it to close off the the skimmer so you only pull from the main drain. When I run my inteliflo on low rpm (1500) the skimmer does not work well. If I pull this thing out then the skimmer works much better. I have a dedicated cleaner suction in the wall.
So, here are my questions
1. How does this thing work?
2. can I remove it?
3. What is the disadvantage to removing it?
I want to be able to utilize my inteliflo to the fullest. So far I have to keep it about 1600 to make the SWG turn on