Description
Replacement impeller for Pentair Challenger High Pressure pumps, sized for 1.5 HP full-rated or 2 HP up-rated models (CHII-NI-1-1/2F, CHII-NI-2A). It mounts on the motor shaft to drive water through the housing, restoring proper flow and pressure. Genuine OEM closed-face design; replace the shaft seal during installation to prevent leaks.
