--- product_id: 113384312 title: "Captain O-Ring - Replacement #13305 O-Rings for Fleck/Rainsoft 2510, 5600, 9000, 9100 Valves (4 Pack)" brand: "captain o-ring" price: "£17.20" currency: GBP in_stock: true reviews_count: 8 url: https://www.desertcart.co.uk/products/113384312-captain-o-ring-replacement-13305-o-rings-for-fleck-rainsoft store_origin: GB region: United Kingdom --- # 1-1/8" Diameter 4 O-Rings Compatible with 4 Models Captain O-Ring - Replacement #13305 O-Rings for Fleck/Rainsoft 2510, 5600, 9000, 9100 Valves (4 Pack) **Brand:** captain o-ring **Price:** £17.20 **Availability:** ✅ In Stock ## Summary > 🔧 Seal the Deal with Captain O-Ring! ## Quick Answers - **What is this?** Captain O-Ring - Replacement #13305 O-Rings for Fleck/Rainsoft 2510, 5600, 9000, 9100 Valves (4 Pack) by captain o-ring - **How much does it cost?** £17.20 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.co.uk](https://www.desertcart.co.uk/products/113384312-captain-o-ring-replacement-13305-o-rings-for-fleck-rainsoft) ## Best For - captain o-ring enthusiasts ## Why This Product - Trusted captain o-ring brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **📦 Value Pack:** Includes four O-Rings to keep your system running smoothly. - • **⚙️ Easy Installation:** Quick and hassle-free replacement to minimize downtime. - • **🛡️ Trusted Warranty:** Backed by a warranty for peace of mind. - • **🔒 Durable Construction:** Manufactured by Captain O-Ring LLC for long-lasting performance. - • **🔄 Seamless Compatibility:** Perfectly fits Fleck/Rainsoft 2510, 5600, 9000, and 9100 valves. ## Overview The Captain O-Ring Replacement #13305 pack includes four high-quality O-Rings designed specifically for Fleck and Rainsoft valves, ensuring a perfect fit and reliable performance. With an outside diameter of approximately 1-1/8 inches, these O-Rings are manufactured and warrantied by Captain O-Ring LLC, making them a trusted choice for your water system maintenance. ## Description Captain O-Ring - Replacement #13305 O-Rings for Fleck/Rainsoft 2510, 5600, 9000, 9100 Valves (4 Pack) ## Features - Includes four (4) Fleck / Rainsoft #13305 O-Rings - The 13305 o-ring is found in Fleck 2510, 5600, 9000, and 9100 Valves - Outside diameter is approximately 1-1/8" - Manufactured and Warrantied by Captain O-Ring LLC ## Product Details - **Material:** Rubber or Elastomer - **Nominal Inside Diameter:** 1.13 Inches - **Item Diameter:** 1.13 Inches - **Brand:** Captain O-Ring - **Color:** Black ## Images ![Captain O-Ring - Replacement #13305 O-Rings for Fleck/Rainsoft 2510, 5600, 9000, 9100 Valves (4 Pack) - Image 1](https://m.media-amazon.com/images/I/61RdeDHukYL.jpg) ## Customer Reviews ### ⭐⭐⭐⭐⭐ Works awesome *by C***E on August 23, 2024* I am thrilled to share my positive experience with the o-ring replacement for my water softener bypass valve seal. The product exceeded my expectations in every way, earning a well-deserved 5/5 rating.First and foremost, the o-ring replacement was incredibly easy to install, thanks to clear and concise instructions provided with the product. Within minutes, I had successfully replaced the old seal with the new o-ring, and the results were immediate.Not only did the replacement effectively seal the bypass valve, but it also resolved the leak issue I had been experiencing with my water softener. The quality of the o-ring is top-notch, as I haven't encountered any issues since installation.Furthermore, the affordability of this replacement o-ring makes it an absolute steal. I appreciate the cost-effective solution this product provided, saving me both time and money in the process.Overall, I am extremely satisfied with the performance and value of the o-ring replacement for my water softener bypass valve seal. I highly recommend this product to anyone in need of a reliable and durable seal replacement. It has truly made a positive difference in the functionality of my water softener system. ### ⭐⭐⭐⭐⭐ Perfect fit for Fleck plastic bypass valves *by U***R on April 23, 2025* If you need o-rings for the plastic bypass valve on a Fleck 2510, this is it and great fit. Always use waterproof grease on o-rings before installing the valve assembly ### ⭐⭐⭐⭐⭐ Perfect Fit! *by S***R on October 24, 2019* perfect fit for my 5600 sxt se water softener, went right did its job and stopped my leaks and water pressure is stronger now ## Frequently Bought Together - Captain O-Ring - Replacement #13305 O-Rings for Fleck/Rainsoft 2510, 5600, 9000, 9100 Valves (4 Pack) - Fleck COMINHKR047408 FBA_60049 Replacement Bypass, 1 Count (Pack of 1), Black - Plastic Bypass Valve for Fleck 5600, 2510, & 9000 Valves (Fleck #60049) --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.co.uk/products/113384312-captain-o-ring-replacement-13305-o-rings-for-fleck-rainsoft](https://www.desertcart.co.uk/products/113384312-captain-o-ring-replacement-13305-o-rings-for-fleck-rainsoft) --- *Product available on Desertcart United Kingdom* *Store origin: GB* *Last updated: 2026-05-22*