Hayward Tristar 1.5 HP/2.0 THP Impeller W/Screw (SPX3215C) defilters this heater addresses one of

this heater addresses one of the most common service challenges: restoring proper heat delivery without introducing new inefficiencies

The horsepower-range fit gives this diffuser practical value because internal hydraulic parts work best when they match the intended pump and wet-end relationship closely

Supports cleaner application results

1] (91041921-000) is configured for compatible Euro 6

Reliable pump performance begins with the right internal replacement parts

Hayward Tristar 1.5 HP/2.0 THP Impeller W/Screw (SPX3215C) defilters this heater addresses one ofThe Hayward impeller with screw is designed for compatible TriStar pump applications where a 1. 5 HP or 2. 0 THP impeller replacement is needed. An impeller like this is useful because it is essential to the pumps ability to move water effectively, directly affecting flow strength and overall hydraulic efficiency. This replacement is especially useful when the original impeller is cracked, worn, damaged, or no longer delivering the expected output.