The Waterco SupaStream 1.0 HP impeller is designed for compatible pump applications where the original impeller can no longer deliver the intended flow performance. An impeller like this is useful because it is the working hydraulic heart of the pump, directly influencing circulation strength and efficiency.This replacement is especially useful when the original impeller is broken, worn, or no longer properly matched to the supported 1.0 HP configuration. Installing the correct impeller helps keep the rebuild aligned with the intended pump design and avoids unnecessary performance mismatch.The 635097 is a smart repair part when a compatible Waterco SupaStream pump needs its 1.0 HP impeller restored for cleaner and more dependable operation. Waterco SupaStream 1.0 HP impeller Designed for compatible 1.0 HP pump hydraulic service Helps restore intended circulation performance Useful when the original impeller is worn or damaged Supports a more accurate wet-end rebuild