This 1.5 HP medium-head impeller is intended for compatible Challenger and SuperMax pump configurations. It helps move water efficiently through the pump while matching the hydraulic demands of the correct motor and wet-end pairing. Use it as part of a rebuild when output has dropped, vibration has increased, or the old impeller shows damage.Choose this replacement when you want a clean, part-specific repair rather than forcing a workaround that can create leaks, fit issues, or recurring service calls. Always match the part number, equipment series, horsepower, plumbing size, color, or application details before installation. Horsepower-matched component for compatible pump rebuilds Helps restore circulation after impeller wear or debris damage Supports more efficient water movement through the wet end Built for compatible Pentair Pool Products equipment applications