Pentair Great White Idler Gear Kit | GW9509 Pool Filtration Turn off the pool pump

Turn off the pool pump or reduce flow

this union ensures a tight and secure connection

Color light controllers (Color Sync / compatible options)

Replace proactively if it shows damage or if the multiport lid loses proper sealing under pressure—to avoid leaks and maintain optimal system performance

Pentair Great White Idler Gear Kit | GW9509 Pool Filtration Turn off the pool pumpPentair Great White Idler Gear Kit GW9509 The Pentair Great White Idler Gear Kit (GW9509) is a replacement drivetrain kit designed to restore smooth motion and reliable power transfer in the Pentair Great White suction side automatic pool cleaner. The idler gear helps transfer rotation from the turbine drive to the wheel and steering assemblies, and replacing worn or stripped gears helps eliminate slippage and improve cleaner navigation. Compatible