Maintain a flawless seal on your Pentair pool or spa filter with the genuine Pentair Union Nut 98212200. This OEM fastener is specifically produced for the Pentair Clean & Clear, Predator, Warrior, and EasyClean filter families, functioning as the critical threaded connector that holds filter assemblies securely together. Fabricated from heavy-duty thermoplastic that resists cracking under torque and stands up to years of chemical exposure, this union nut prevents pressure loss and water seepage at connection points. When the original nut shows signs of wear, cross-threading, or stress fractures, replacing it with this factory part restores airtight integrity and simplifies routine filter maintenance.

Key Benefits

• Precision-Threaded Connection: The 98212200 union nut draws filter housing sections together with uniform clamping force, creating a completely sealed joint that stops drips and preserves operating pressure throughout the filtration cycle.
• Broad Filter Compatibility: Engineered to serve Pentair Clean & Clear, Predator, Warrior, and EasyClean filter lines, giving pool owners a single replacement part that works across several popular models without any alterations.
• Factory-Original Construction: Produced by Pentair to identical standards as the original equipment part, this union nut provides a level of fit and durability that third-party substitutes often fail to replicate.
• High-Strength Thermoplastic: Resists UV degradation, chemical attack from sanitizers, and the mechanical stress of repeated tightening and loosening during routine filter cleaning and cartridge replacement.
• Preventive Maintenance Essential: Swapping out a cracked or stripped union nut before it fails completely avoids costly water loss, protects pump equipment from running dry, and ensures your filter system continues to operate at peak efficiency.

What's Included

• Pentair 98212200 Union Nut

Compatibility

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

Specifications

• Brand: Pentair
• Part Number: 98212200

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