Swimables Pentair IntelliFlo3 2" x 2.5" Union Kit | 410028 | SW-21-028

The Swimables SW-21-028 Union Kit provides a full aftermarket replacement for Pentair part 410028 (also listed as 410028Z), built for IntelliFlo3 and IntelliPro3 3 HP pumps. Designed to fit both 2″ and 2.5″ plumbing, it delivers flexibility for installations and retrofits. Each kit includes union nuts, adapters, and sealing gaskets that replicate Pentair’s OEM configuration to ensure proper alignment and leak-free operation. Made from rugged, chemical-resistant materials, the SW-21-028 restores reliable pump coupling and helps extend the service life of connected plumbing systems.

Highlights

• Direct Replacement Kit: Serves as an aftermarket substitute for Pentair 410028 / 410028Z, restoring the OEM union layout for 3 HP IntelliFlo3 and IntelliPro3 pumps.

• Supports Multiple Pipe Sizes: Works with both 2″ and 2.5″ plumbing systems, giving installers more flexibility when adapting to different setups.

• Made for IntelliFlo3 / IntelliPro3: Ensures compatibility with 3 HP models of these pumps, offering a seamless connection without modification.

• Durable Pool-Grade Build: Constructed from molded materials and paired with sealing gaskets designed to resist chlorine, saltwater, and UV degradation.

• Service-Friendly Assembly: Includes everything needed for a quick swap, making pump maintenance and plumbing replacement faster and more efficient.

Compatibility

• Pentair IntelliFlo3 3HP Pumps
• Pentair IntelliPro3 3HP Pumps

Additional Info

This section highlights the Swimables SW-21-028 Union Kit, a replacement for Pentair 410028. Learn how to install it, fix pump leaks, and order it online with fast shipping.

Installing the Kit After Ordering Online

The SW-21-028 includes union nuts, adapters, and gaskets. It works with both 2" and 2.5" plumbing, making it flexible for a wide range of setups.

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Restoring Seals and Fixing Leaks

Replacing cracked or worn unions with SW-21-028 restores a tight seal and reduces leaks at the pump inlet and outlet connections.

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Ordering Online With Confidence

Online listings reference Pentair 410028 for simple confirmation. Bundling seals or extra unions with SW-21-028 often qualifies for free shipping.

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