Pentair PKG189 FPT Half Union Adapter | 2" | 2 Pack

The Pentair PKG189 FPT Half Union Adapter Kit provides a dependable OEM connection solution for Pentair pool and spa equipment. The kit includes couplers, locking nuts, and O-rings that create leak-free joints to support efficient water flow and reliable system operation. Built for use with Pentair System 3 Modular Media Filters, Max-E-Pro pumps, and Sta-Rite pumps including Dyna-Glas, Dyna-Max, and Dyna-Pro, it covers a wide range of equipment applications. By replacing worn or damaged unions with OEM Pentair parts, pool owners and service technicians can prevent costly leaks, maintain equipment longevity, and ensure consistent performance. Durable in design and simple to install, the PKG189 kit is a practical choice for keeping Pentair equipment in top working condition.

Highlights

• Complete OEM Kit: Includes O-rings, locking nuts, and couplers designed to OEM Pentair standards for accuracy and reliability.

• Broad Compatibility: Works with Pentair System 3 filters, Max-E-Pro pumps, and Sta-Rite pump families including Dyna-Glas, Dyna-Max, and Dyna-Pro models.

• Reliable Sealing: Ensures tight, leak-resistant connections that protect against water loss and help maintain system efficiency.

• Durable Components: Built from materials designed to handle pool chemical exposure and constant pressure without premature wear.

• Convenient Replacement: Provides everything needed for a quick installation, making it suitable for both professional servicing and homeowner maintenance.

Includes

• (2) Locking Nuts
• (2) Couplers
• (2) O-Rings

Compatibility

Compatible with a variety of Pentair systems such as:

• Pentair System 3 Modular Media Filters
• Pentair Max-E-Pro Series Pumps
• Pentair Sta-Rite Dyna-Glas Pumps
• Pentair Sta-Rite Dyna-Max Pumps
• Pentair Sta-Rite Dyna-Pro Pumps
  

Note: This union may be compatible with your system, please refer to your owners manual to ensure compatibility.

Additional Info

Searching for the Pentair FPT Half Union Adapter Kit PKG189? Below are answers to installation, troubleshooting, and local pricing for Pentair pumps and filters.

Installing the Adapter Kit Locally

The PKG189 kit provides a secure connection with couplers and O-rings designed for Pentair pumps and filters.

How do I install the Pentair PKG189 kit on a Sta-Rite Dyna-Max pump?

Can I check local shop stock for this union kit before buying?

Should I replace both couplers and O-rings together when installing the kit?

Fixing Common Seal and Fitment Problems

This kit solves leaks, misalignment, and worn unions on Pentair equipment.

Will the PKG189 kit solve leak issues with a System 3 Modular Media filter?

What if the O-rings included don’t seat correctly in my pump housing?

Can I compare local prices on the PKG189 kit before picking it up?

Confirming Compatibility Near Me

Knowing the part works with your model avoids wasted trips.

How do I confirm the PKG189 union kit is right for my Max-E-Pro pump locally?

Is this adapter kit compatible with both Sta-Rite Dyna-Glas and Dyna-Pro pumps?

Where can I find a local shop near me that stocks Pentair PKG189 kits?

Diagram