Zodiac Polaris 9400/9450/9550 Large Wheel Black (R0539500) rolachem It is a practical replacement

It is a practical replacement when restoring both function and presentation

50 square foot filtration capacity

The CMP generic air control is designed for compatible spa applications where a 1 inch control with 1-3/4 inch hole size

Improves overall reliability and daily usability

The Vacless SVRS adjustable auto-reset vacuum release is designed for installations that require a center-thread configuration and a vacuum safety device that can automatically return to service after activation

Zodiac Polaris 9400/9450/9550 Large Wheel Black (R0539500) rolachem It is a practical replacementThe Zodiac Polaris 9400 9450 9550 Large Wheel Black (R0539500) is a replacement drive wheel for compatible Polaris robotic cleaners. Wheels are critical to cleaner traction, wall movement, and steady travel across floors, coves, and transitions. If the cleaner begins slipping, tracking unevenly, or struggling to climb, a worn or damaged wheel may be part of the problem. This black large wheel is designed for select Polaris 9400, 9450, and 9550 models