Product Overview

The Swimables SW-26-497 Filter Tank O-Ring is a black replacement seal for FNS®, Clean and Clear®, and Quad DE® style filter tanks. It sits between the tank halves to form a watertight seal, preventing leaks and pressure loss when the filter is running. It is rated for both pool and spa use.

⚠️ Important Purchase Notice

Confirm your filter is an FNS, Clean and Clear, or Quad DE style tank before ordering. Inspect the shipment upon arrival and report damage promptly.

Ideal For

• Stopping leaks at the filter tank seam.
• Replacing a flattened, cracked, stretched, or brittle tank O-ring.
• Routine filter service when the tank is opened for cleaning.

Key Features

• Fits FNS, Clean and Clear, and Quad DE style filter tanks.
• Black O-ring for pool and spa applications.
• Backed by a one-year warranty.

Benefits

• Restores a tight seal so the filter holds pressure.
• Helps prevent water loss and air leaks at the tank.
• Low-cost fix that avoids replacing larger filter parts.

Compatibility

For use with FNS®, Clean and Clear®, and Quad DE® style filter tanks. Compare the old O-ring with this one, or check your filter model, before ordering.

Installation or Upgrade Context

Turn off the pump, relieve filter pressure, and open the tank. Remove the old O-ring, clean the groove, and seat the new O-ring evenly. Lubricate it with a pool-grade silicone lubricant, reassemble the tank, and check for leaks after restarting.

What’s Included

• One Swimables SW-26-497 filter tank O-ring, black.

Specifications

Warranty

Covered by a one-year manufacturer warranty, subject to Swimables’ applicable terms. Pool Supply Depot can provide proof of purchase for claims.

Customer Q&A

Which filters does this fit?

FNS, Clean and Clear, and Quad DE style filter tanks.

Should I lubricate it?

Yes. Use a pool-grade silicone lubricant; avoid petroleum-based products, which can damage O-rings.

Can it be used on a spa filter?

Yes, it is rated for both pool and spa applications.