SuiTool Tank Clamp O-Ring Replacement for Pentair CCP 320/420/520 – FNS Plus & Clean & Clear Plus

Overview

The SuiTool Tank Clamp O-Ring Replacement is designed to restore a dependable seal on Pentair tank systems. Rather than reinstalling the original part, this O-ring offers a fresh, durable interface between the tank lattice and the cap, helping you maintain steady filtration performance without the guesswork of compatibility. Crafted with the needs of pool and spa setups in mind, this replacement part aligns with widely used Pentair tank families and can support ongoing maintenance routines with confidence.

Compatibility and fit

• Part Number: 39010200, O-497. Thick: 1/2 inch. Diameter: 19.5 inch.
• Fit Models: Replacement for Pentair CCP320 CCP420 CCP520 tanks; replacement for FNS Plus and Clean & Clear Plus tanks manufactured after 2000; Quad DE filters reference.
• Compatible Model: Works with Pentair Clean & Clear Plus fiberglass reinforced polypropylene tanks, FNS Plus vertical grid filters, and sm/smbw-4060 series.

Durable seal and installation tips

• Quality materials provide a sturdy seal with minimal risk of leaks when properly installed. Lubricant is recommended to enhance sealing performance during fitting.
• The O-ring helps separate lattice components and creates an effective seal between grids and the cap, supporting consistent filtration outcomes.

In practice, this replacement part can help you maintain a tight, reliable seal across filtration cycles, contributing to smoother operation and fewer interruptions due to wear in the tank seal. While not a guarantee of performance improvements, it is designed to support ongoing upkeep for compatible Pentair filter systems. If you are replacing an old O-ring, confirm your model compatibility and follow installation guidance to achieve the best possible seal for your pool or spa setup.