Pentair Clean & Clear Cartridge Filter 100 | EC‑160316 Brushes You can confirm this by

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

we always recommend dipping them into the pool water acts sort of like a lubricant and helps decrease the amount of friction when installing the hoses making it easy for everyone to do

A great troubleshooting tip to extend the life of this part is to replace the scrubber and wear rings when worn

These would need to be removed before exposing the shaft for replacement or repair

Pentair Clean & Clear Cartridge Filter 100 | EC‑160316 Brushes You can confirm this byPentair Clean & Clear Cartridge Filter 100 EC 160316 Durable 100 sq ft cartridge pool filter by Pentair (SKU EC 160316) with fiberglass reinforced tank, 2 plumbing, quick access lid and easy rinse cartridge design. Features 100 sq ft effective filtration area for efficient pool systems. Fiberglass reinforced polypropylene tank resists corrosion, chemicals and UV exposure. Coreless cartridge design allows removal and rinsingno backwash needed. 2