FULLY COMPATIBLE WITH HAYWARE VALVES: The SPX0410BA Backflush Piston is designed to work seamlessly with for Hayward 2-inch Slide Valve Assemblies, including models SP0410X502S and SP0410X602S. Whether you're renovating a pool or spa, this part ensures a perfect fit and reliable performance every time. MATERIALS: The SPX0410BA piston assembly is made from high-quality materials that are durable, corrosion-resistant and strong enough to handle wear and tear. It's built to resist impact, cracking, and aging, so you can count on it to keep your pool or spa running smoothly. INSTALLATION: Installing the SPX0410BA is a breeze. Simply remove the locking nut, swap in the old valve, and you're good to go. For a smoother installation, add a little lubricant to the O-ring. No special tools or complicated steps - just a simple, stress-free upgrade. SMOOTHER OPERATION, NO MORE LEAKS: Say goodbye to stiff, hard-to-bend valves. The SPX0410BA is designed for smooth, easy adjustments (The product appearance and printed words may vary depending on the batch, but this does not affect use) Color: As Shown Material: plastic Package Contents: 1 x Handle And Piston Assembly