Hayward PBS20JSTHBX PoolCleaner 2-Wheel HeadboxWhen a suction side pool cleaner starts slowing down, losing traction, or missing sections of the pool, the issue is often not the hose or pumpits the cleaner head itself. The Hayward PoolCleaner 2 Wheel Head Unit Replacement (PBS20JSTHBX) is a genuine OEM replacement designed to fully restore the cleaning performance of Haywards 2 wheel PoolCleaner models. This complete head unit replacement is ideal when internal wear, body damage, or drivetrain