Ensure a tight, leak-free seal with the Swimables SW‑80‑330 leaf canister O‑Ring. Designed to replace Hayward and Pentair-style O‑330 seals, this durable gasket restores efficient debris containment in pool canisters.

Product Overview

The Swimables SW‑80‑330 is a high-quality replacement O‑Ring crafted to fit Hayward- and Pentair-style large leaf canisters (industry O‑330 specification). Engineered to match OEM dimensions—approximately 5 ⅞″ inner diameter, 6¼″ outer diameter, and 3⁄16″ cross-section—this seal provides a reliable barrier to prevent air leaks and maintain proper vacuum performance, Manufactured in the USA, it's a trusted upgrade to worn, aged, or damaged canister seals.

Key Features

• OEM-Sized Accuracy
  Dimensions align with industry-standard O‑330 seals to fit Hayward W530, W560, and Pentair inline canisters smoothly 

• Durable Rubber Construction
  Made from resilient rubber material built to resist compression set and degradation under pool conditions .

• Leak-Free Performance
  Ensures a tight seal to preserve suction and prevent air from entering the pump system 

• Made in the USA
  Produced under Swimables’ quality standards for reliable, long-lasting performance 

Ideal For

• Pool owners replacing an old or degraded leaf canister O‑ring.

• Maintenance professionals restoring suction performance in Hayward/Pentair leaf traps.

• Anyone needing an OEM-size replacement for the O‑330 specification without OEM cost.

Installation Tips

• Clean the seal groove—remove debris, sand, and residue before installing the new O‑ring.

• Avoid lubricants—most manufacturers recommend a dry installation to prevent slipping or contamination 

• Apply even pressure—when seating the lid, tighten the clamp evenly around the circumference to prevent pinching or uneven compression