QuikSkim Weir Door (Light Gray) - Pentair In-Floor(A&A) | 510702 LeafVac and Pre-filters so Pentair created this eyeball

so Pentair created this eyeball diverter which helps disperse the flow down the walls of the pool so that way it cannot disrupt the cleaner in any way

Diverter & QuikStop (SKU 230021) is engineered for durability in your in-floor pool circulation and cleaning system

Confirm compatibility of threads and sealing surfaces

or weak pump performance

QuikSkim Weir Door (Light Gray) - Pentair In-Floor(A&A) | 510702 LeafVac and Pre-filters so Pentair created this eyeballQuikSkim Weir Door (Light Gray) Pentair In Floor(A&A) Old SKU 564252 A&A Manufacturing is now Pentair In Floor Cleaning & Circulation! This door was designed to open while the pump is running to allow debris like leaves and sticks that float along the top surface to enter the skimmer. Once your system is done cleaning and the pump shuts off or slows down to a lower RPM the door will then shut trapping the debris inside and allowing it to then fall