Polaris Zodiac 3900 Wheel Sprocket Assembly with Bearing (39-420) filters The AquaStar 32 inch channel

The AquaStar 32 inch channel mud drain with flat grate and anti-entrapment cover is designed for compatible drainage applications that need a broader channel-style drain solution

Helps control water flow through plumbing circuits

With a side-mount configuration and 2" female pipe thread connections

Confirm controller compatibility and probe installation requirements before use

The Darlly 80702 is a practical choice for buyers who need a 70 square foot cartridge with a 2 inch MPT base in a shorter

Polaris Zodiac 3900 Wheel Sprocket Assembly with Bearing (39-420) filters The AquaStar 32 inch channelThe wheel sprocket assembly with bearing is part of the Polaris 3900 drive system that helps transfer motion to the cleaner wheels. If the cleaner is slipping, binding, or failing to drive correctly, worn sprocket or bearing components may be involved. This replacement assembly helps restore the mechanical connection needed for smooth wheel operation. It is a valuable part for deeper 3900 cleaner repairs where traction and drive performance need to be