Polaris Zodiac 3900 Single-Side Wheel (39-401) miscelectrical and this Coates 3-pole contactor

and this Coates 3-pole contactor is designed for compatible 40 amp

A fresh overlay helps eliminate that uncertainty and gives the panel a more finished appearance

Replacing worn or outdated components with properly engineered parts helps restore system efficiency

A filter bag set helps capture debris during robotic cleaner operation

this heater helps restore a stronger and more stable temperature foundation while keeping the installation aligned with the original equipment layout

Polaris Zodiac 3900 Single-Side Wheel (39-401) miscelectrical and this Coates 3-pole contactorThe 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