Pentair Kreepy Krauly Warrior / Rebel Chassis Kit | 360485 Valve Rebuild Kits Top Feed You can confirm this by

You can confirm this by checking the valve run time which should only be about 30 seconds if longer than that

It also acts as a protective cover for the internal parts allowing no outside influence that would potentially disrupt the cleaner

5" schedule 40 PVC on the inside of the pipe

This track is black and made from a solidified rubber material

Pentair Kreepy Krauly Warrior / Rebel Chassis Kit | 360485 Valve Rebuild Kits Top Feed You can confirm this byPentair Kreepy Krauly Warrior Rebel Chassis Kit (360485) The chassis kit is a replacement part that was made by Pentair. The same high quality materials were used to manufacture the original factory part. Making this a genuine OEM product. The chassis for these cleaners is also essentially the lower body like other pool cleaner models have, and the importance of it is that it holds the internals of the cleaner in a place like a chassis would in a car.