This Shaft Seal Assembly is for use with the following series and models of pool pumps: Super Pump SP2600X and MaxFlo SP1800X and SP2800X. The seal protects the components of the pool pump by preventing fluid leaks. With the pool as the centerpiece of the rapidly growing Outdoor Living market, Hayward is prioritizing innovation, efficiency, and comfort. We’ve built industry-leading equipment, filters, and pumps for over 100 years, and today, we are at the forefront of innovation for pool and outdoor living technology and internet-connected homes.