Precision Part for High-Flow Stream Pumps Keep your large waterfall running strong with the genuine OEM replacement impeller for the TidalWave3 TT5000 waterfall and stream pump. This exact-fit impeller restores the TT5000 to its rated 5,150 GPH (19,493 LPH) output, maintaining the dramatic water volume that large-scale koi ponds and formal waterways demand. Built for the TT5000's 2" Plumbing The TT5000 operates with 2-inch inlet and outlet ports to handle its high flow capacity. The impeller is sized accordingly — a larger, more robust blade assembly than the smaller TT models. Using a genuine replacement part maintains the hydraulic match between impeller and housing that the factory engineered. Undersized or incorrect impellers cause cavitation and reduce the motor's service life. Compatible Pump TidalWave3 TT5000 Waterfall & Stream Pump Rated Flow (parent pump) 5,150 GPH (19,493 LPH) Plumbing Size 2" inlet/outlet Motor Type Asynchronous (TidalWave3 series) Installation Quarter-turn removal — no tools required How to Replace Remove the TT5000 from service and disconnect power. Twist the volute cover counter-clockwise to expose the impeller. Pull out the old impeller and install the new one, ensuring it is fully seated. Reassemble the volute and confirm the impeller spins freely. Rinse before reinstalling in the pond. Ideal for large Canadian koi ponds and formal stream installations requiring sustained high-volume flow.
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