The Waterco SupaTuf 1.0 HP impeller is designed for compatible pump applications where the original impeller is no longer delivering the performance expected from the wet end. An impeller is useful because it turns the motor’s energy into water movement, making it essential to circulation, pressure behavior, and overall pump effectiveness.This replacement is especially useful when the original impeller is cracked, eroded, or worn enough to reduce efficiency. Installing the correct 1.0 HP impeller helps keep the rebuild true to the intended pump design and improves the odds of a more satisfying repair outcome.The 635006 is a smart service part when a compatible Waterco SupaTuf pump needs its 1.0 HP impeller restored for cleaner hydraulic performance. Waterco SupaTuf 1.0 HP impeller Designed for compatible 1.0 HP pump hydraulic service Helps restore intended water flow behavior Useful when the original impeller is worn or damaged Supports a more complete and accurate rebuild