Txdiyifu 350157 Union Replacement Kit — 2 Pack for Pentair SuperFlo/VS Pumps (1.5″ internal x 2″ external)

Overview

The 350157 Union Replacement Kit from Txdiyifu is a compact, two-piece solution designed to refresh the connection points on select Pentair pumps. Each kit includes a matching inlet and outlet union with nuts and O-rings, giving you a straightforward path to renewed performance without major pipe work. The components are built to align with standard sizing, helping you achieve a reliable, leak-resistant seal that supports steady water flow through your pool or spa system.

Why consider a union refresh

Over time, union joints can show signs of wear such as small leaks, looseness, or cracks from routine maintenance. A fresh set provides a sturdy, dependable hand-off between the pump and PVC plumbing, which can contribute to smoother operation, reduced maintenance calls, and a calmer pool environment.

What’s included

• Two union fittings for inlet and outlet
• Nuts and O-rings for a complete seal
• All pieces designed to work together for a tight, leak-free connection

Fit and compatibility

• Designed to fit 1.5 internal slip × 2 external slip piping
• Compatible with Pentair SuperFlo, SuperFlo VS, and SuperMax VS pumps that use 350157 style unions

Durable construction

Crafted from PVC and engineering plastic, the kit resists pool chemicals and exposure to the elements. The included O-rings and locking nuts enhance long-term reliability for regular pump cycles.

Easy install and maintenance

The quick swap-out design lets you replace worn or cracked unions without cutting pipe, making it a practical option for DIY enthusiasts and professional pool techs alike. Expect straightforward reassembly and less downtime during service or seasonal maintenance.