Description
Pentair Automatic Feeder O-Ring Cap R172009
Intro
Keep your Pentair Rainbow automatic feeder performing at its best with the O-Ring Cap R172009. This purpose-built replacement cap preserves a tight seal, prevents leaks, and guards against dosing drift in day-to-day pool operation. Compatible with multiple Rainbow models—300, 302, 300-19, 300-29, 300-29X, 320, and 322—and their extensions, it delivers dependable, low-maintenance chemistry management for homeowners and pool pros alike.
List of Features
- Precise fitment: Genuine Pentair part designed to snap into Rainbow feeders without guesswork, ensuring proper alignment with the dosing chamber.
- Leak-proof seal: Creates a secure seal that prevents chemical leaks and dosing drift, keeping your sanitizer levels steady.
- Chemical and UV resilience: Built to withstand harsh pool chemicals, chlorine exposure, and UV sun, preserving performance over time.
- Easy maintenance: Removable and installable without special tools, minimizing service downtime.
- Protects feeder accuracy: Helps maintain dosing accuracy by protecting internal seals from wear and contamination.
Final Thoughts
Replacing the O-Ring Cap R172009 is a smart, affordable way to safeguard your feeder’s reliability and your pool’s water quality. With this part on hand, you’ll reduce leakage issues and keep chemical balance consistent. Add to cart now to ensure uninterrupted, hassle-free pool maintenance.











