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

The Swimables SW-21-028 Union Kit is an aftermarket replacement for Pentair part 410028, also referenced as 410028Z, and is designed for use with 3 HP IntelliFlo3 and IntelliPro3 pumps. This complete kit includes union nuts, adapters, and gasket seals, enabling secure connections to both 2″ and 2.5″ plumbing systems. Built from durable, pool-grade materials, it replicates the original Pentair union layout for a precise fit and leak-resistant seal. Whether for retrofit or new installations, the SW-21-028 restores proper pump coupling and simplifies service or replacement work.

Highlights

• Dual Plumbing Fit: Supports both 2″ and 2.5″ piping configurations, providing flexible use across different system setups and retrofit installations.

• OEM-Compatible Components: Includes union nuts, adapters, and gaskets designed to replicate Pentair 410028 / 410028Z for dependable sealing and alignment.

• IntelliFlo3 / IntelliPro3 Design: Tailored to 3 HP IntelliFlo3 and IntelliPro3 pumps, ensuring precise fitment and eliminating compatibility concerns.

• Leak-Resistant Coupling: Provides a watertight seal under pressure, minimizing leaks and preserving pump and plumbing efficiency over time.

• Simplified Installation: Drop-in design with included hardware makes service quick and straightforward, reducing downtime for pool owners and technicians.

Compatibility

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

Additional Info

This guide covers the Swimables SW-21-028 Union Kit, built to replace Pentair 410028. Learn its compatibility with IntelliFlo3/IntelliPro3 3 HP pumps, when to replace unions, and how to check local stock and pricing.

Compatibility With Pump Models

The SW-21-028 is specifically designed for IntelliFlo3 and IntelliPro3 3 HP pumps. It supports both 2" and 2.5" plumbing for versatile installation.

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Replacement and Maintenance Needs

Unions should be replaced when cracked, leaking, or stripped. The SW-21-028 ensures watertight connections and simplifies servicing.

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Local Price and Stock Checks

Local shops often carry this kit, but availability varies. Call ahead to confirm pricing and reserve your set before starting pump maintenance.

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