Pentair IntelliCenter i5PS-IC40 Kit - Pool and Spa with Load Center and IC40 Salt Chlorinator || 521906 Channel Drain Accessories and Tools This also gives the suction

This also gives the suction cleaner the ability to climb up and down the pool walls covering more surface area for a neat and clean pool

It also houses the cassette assembly which also holds the diaphragm (which is the only moving part of the cleaner)

The automatic regulator valve are replacement parts that are made by Pentair

QuikSkim Silt Sock - Pentair In-Floor(A&A) || 510320

and you want to add it to the end of the second section of the hose or at about 20 inches above the cleaner or 50

Pentair IntelliCenter i5PS-IC40 Kit - Pool and Spa with Load Center and IC40 Salt Chlorinator || 521906 Channel Drain Accessories and Tools This also gives the suctionPentair IntelliCenter i5PS IC40 Kit Pool and Spa with Load Center and IC40 Salt Chlorinator 521906 IntelliCenter is Pentair's highest capacity and most service friendly control system. It can be communicated on various devices and platforms, and many essential services, such as programming and monitoring tasks, can be performed without an on location call. The following items are included in the Pentair IntelliCenter 5PSIC40 Control System kit: