The Zodiac Large Collar & O-Ring R0502300 Replacement for is built to keep your pool equipment running the way it should.

The Zodiac R0502300 Large Collar & O‑Ring Kit is a genuine OEM replacement seal assembly designed specifically for use with Nature2 Fusion® in‑ground pool sanitizers. This kit includes a large collar and precision‑engineered O‑ring that create a watertight seal between the Fusion sanitizer housing and plumbing, ensuring efficient sanitization, reduced leakage, and long-lasting performance.

Made from top-tier, chemical‑resistant materials, the R0502300 collar and O‑ring withstand exposure to pool water, sanitizers, and environmental stress without cracking, swelling, or degrading prematurely. Ideal for routine maintenance or replacement during sanitizer service, this kit helps maintain proper operation and peak sanitizer effectiveness.

Have questions before you order? Our team is happy to help you pick the right part.