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

The Swimables SW-21-028 Union Kit is a direct replacement for Pentair part 410028 (also seen as 410028Z) and is designed specifically for 3 HP IntelliFlo3 / IntelliPro3 pumps. This union assembly accommodates both 2″ and 2.5″ piping systems, enabling flexible plumbing connections in retrofit and new installations. The kit includes union nuts, gaskets, and adapters to provide leak-resistant, secure unions. Built using durable pool-grade materials, it restores proper pump coupling, simplifies servicing, and ensures a tight fit with minimal effort.

Highlights

• Dual-Size Compatibility (2″ & 2.5″): The kit supports both 2-inch and 2.5-inch plumbing setups, offering versatile application across varying system designs.

• OEM Union / Adapter Components: Includes union nuts, mating adapters and gasket seals designed to replicate Pentair’s factory union layout with a proper seal and fit.

• Engineered for IntelliFlo3 / IntelliPro3 Pumps: Tailored for the 3-HP models of the IntelliFlo3 / IntelliPro3 lines, it ensures direct compatibility without guesswork.

• Secure, Leak-Resistant Seal: Designed to maintain a tight, reliable union under pressure, minimizing leaks and preserving system integrity.

• Ease of Installation & Maintenance: Drop-in style with included gaskets and parts, reducing service time and making it user-friendly for both technicians and DIYers.

Compatibility

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

Additional Info

This section explains the Swimables SW-21-028 Union Kit, designed to replace Pentair 410028 / 410028Z for IntelliFlo3 and IntelliPro3 3 HP pumps. Learn how it installs, how it supports dual pipe sizes, and how to confirm availability in store.

Installing the SW-21-028 Union Kit

The kit includes union nuts, adapters, and gaskets. It accommodates both 2" and 2.5" plumbing lines for flexible installation on new or existing systems.

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Fixing Leaks and Service Issues

Worn or cracked unions often cause leaks at pump connections. The SW-21-028 restores a tight seal, preventing water loss and system inefficiency.

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Buying SW-21-028 In Store

Bring your pump details or old union to compare. Store staff can confirm compatibility and provide gaskets or other parts needed for installation.

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