Hayward TriStar VS Variable-Speed Pump, 1.85 HP for In-Ground Pools | W3SP3202VSP Spa Chemical Balancers locate the part number stamped

locate the part number stamped or molded directly onto your existing idler gear and confirm it matches GW9509

swap in a fresh shaft seal — never reinstall the existing one

Always replace all four cartridges as a set

The tube sheets form the structural upper and lower support plates that retain the flex-tube filter elements inside the Perflex filter tank

undamaged seating surface is essential for the clamp to seat evenly and hold a secure connection

Hayward TriStar VS Variable-Speed Pump, 1.85 HP for In-Ground Pools | W3SP3202VSP Spa Chemical Balancers locate the part number stampedThe Hayward TriStar VS Variable Speed Pump (W3SP3202VSP) brings programmable variable speed efficiency and quiet operation to medium and large in ground pools. Its permanent magnet, totally enclosed fan cooled (TEFC) motor is designed to run quietly and efficiently, delivering dependable circulation while drawing far less power than a conventional single speed pump at lower speeds. Features & Technology Permanent magnet TEFC motor built for maximum