Complete Replacement Unit The Atlantic Water Gardens impeller assembly for the TidalWave MD750 mag-drive pump delivers a factory-spec replacement for this reliable 790 GPH (2,990 LPH) water feature pump. The MD750's magnetically driven design has no shaft seals to fail, making the impeller assembly the only routine wear part you'll ever need to replace. Maximize the MD750's 5-Year Warranty Investment Atlantic Water Gardens backs the MD series with a 5-year warranty — one of the strongest in the industry for submersible pumps. Maintaining the pump with genuine OEM parts keeps the hydraulic performance within warranty spec. The MD750 impeller assembly includes the blade, ceramic shaft, and magnet core as a matched set, ensuring balanced rotation and consistent 790 GPH output after service. Compatible Pump TidalWave MD750 Mag-Drive Water Feature Pump Rated Flow (parent pump) 790 GPH (2,990 LPH) Power Draw (parent pump) 50W Drive Type Magnetically driven — no shaft seal Parent Pump Warranty 5 years How to Replace Remove the MD750 from service and unplug it. Open the front housing by rotating counter-clockwise. Extract the old impeller assembly and insert the new matched unit into the bearing cup. Reinstall the front housing and verify free spin by hand. Clean the intake screen while the pump is disassembled. Return to service after confirming smooth operation. Ideal for medium-size water features, spillways, and fountain basins powered by the MD750.
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