Polaris Zodiac 3900 Single-Side Wheel (39-401) miscelectrical 10-pack of 15-foot flow switches

10-pack of 15-foot flow switches for compatible AquaRite systems

Replacing worn or outdated components with properly engineered parts helps restore system efficiency

A quantity pack can help reduce reorder frequency and keep crews better prepared for repeated maintenance work

A filter bag set helps capture debris during robotic cleaner operation

Polaris Zodiac 3900 Single-Side Wheel (39-401) miscelectrical 10-pack of 15-foot flow switchesThe Polaris 3900 relies on its wheel system to translate internal drive power into steady movement across the pool. This single side wheel is a direct replacement for service situations where an existing wheel is worn, damaged, or no longer helping the cleaner track correctly. Replacing a problem wheel can help restore the cleaners climbing ability, turning behavior, and overall coverage. It is a focused repair part that supports the larger drive