98212200 | Pentair Union Nut For Filters

The Pentair Union Nut 98212200 is an OEM replacement part engineered for Pentair Clean & Clear, Predator, Warrior, and EasyClean pool and spa filters. Serving as a key connection piece, it secures filter components together to maintain proper sealing and prevent unwanted leaks. Built from durable materials, this genuine Pentair nut withstands chemical exposure and repeated maintenance cycles. Keeping this OEM replacement in good condition is essential for preserving your filtration system’s efficiency and extending service life.

Highlights

• Secure Fit: The Pentair 98212200 union nut locks filter components firmly in place, providing a watertight seal that eliminates leaks. By keeping connections tight, it helps preserve system pressure and ensures consistent water flow.

• Wide Compatibility: Designed specifically for Pentair Clean & Clear, Predator, Warrior, and EasyClean filters, this replacement nut offers versatile use across multiple models. It gives owners confidence that the part will fit seamlessly without modification.

• OEM Quality: As a genuine Pentair-manufactured component, this nut delivers factory-tested dependability and performance. Built to original equipment standards, it ensures long-term reliability that aftermarket alternatives cannot always guarantee.

• Durable Materials: Constructed from high-strength thermoplastic, this union nut resists cracking, fading, and deterioration caused by pool chemicals and UV exposure. Its rugged build provides long-lasting service under regular use.

• Essential Maintenance: Replacing a worn or damaged union nut restores leak-free operation, simplifies filter servicing, and prevents system strain. Regular upkeep with genuine parts extends the lifespan of your filtration equipment.

Includes

• (1) Pentair 98212200 Union Nut

Compatibility

• Pentair Clean and Clear Filters
• Pentair Predator Filters
• Pentair Warrior Filters
• Pentair EasyClean Filters

Additional Info

The OEM Pentair 98212200 Union Nut is built for Clean & Clear, Predator, Warrior, and EasyClean filters. This section answers questions about installation, leak prevention, and in-store availability for fast replacements.

Installing the Pentair 98212200 Union Nut

This union nut locks filter components together to create a secure, watertight seal. Proper installation prevents bypass leaks.

How do I tighten the Pentair 98212200 union nut without cracking it?

Does the 98212200 require any special tools for installation?

How do I know if my filter needs a single or multiple union nuts?

Can I walk in today and buy the Pentair 98212200 union nut locally?

Troubleshooting Seal and Leak Issues

If water seeps at the connection, the nut may be cross-threaded, cracked, or missing its gasket.

Why does my Predator filter still leak with a new 98212200 union nut?

How do I tell if the O-ring is the problem and not the nut itself?

Could overtightening damage the Pentair 98212200 union threads?

Where can I buy the 98212200 union nut directly at the store?

Finding the Right Pentair Replacement In-Store

Using the exact OEM part avoids mismatches and keeps your filtration system efficient.

Does the Pentair 98212200 fit both Clean & Clear and EasyClean filters?

How can I confirm in-store that I have the right size nut?

Can I compare the 98212200 with other Pentair filter unions before purchase?

Is the Pentair 98212200 usually stocked at local pool supply counters?

Diagram