Hayward Super Pump Seal Assembly || SPX1600Z2 Style_G3/G4 Gamma Series Water Conservation: Prevents overflows and

Water Conservation: Prevents overflows and reduces water waste

These gears are the internal parts of the backup valve which was designed to be the feature that backs the pressure side cleaner out of any corners or edges on the pool steps which would cause the cleaner to be hung up or impeded in any way thus disrupting the cleaning process

It also helps by taking the brunt of the impact when the cleaner is transitioning from the walls or steps that can wear on parts over an extended length of time and use of the cleaner

Hayward AquaNaut 400 & 450/Poolvergnuegen Rear Gear Shaft

so it has a nice metallic finish and is located near the center of the pressure cleaner

Hayward Super Pump Seal Assembly || SPX1600Z2 Style_G3/G4 Gamma Series Water Conservation: Prevents overflows andHayward Super Pump Seal Assembly SPX1600Z2 Replacement Hayward Super Pump Seal Assembly