--- product_id: 451451710 title: "Replacement Toilet Flush Valve Rubber Seal Washer for Siamp Optima 49 & 50 34490507" brand: "taps2traps" price: "56.45 DT" currency: TND in_stock: true reviews_count: 8 category: "Taps2 Traps" url: https://www.desertcart.tn/products/451451710-replacement-toilet-flush-valve-rubber-seal-washer-for-siamp-optima store_origin: TN region: Tunisia --- # Instant flush stop solution Leak-proof rubber seal Precision fit: 4.3cm ID, 7.1cm OD Replacement Toilet Flush Valve Rubber Seal Washer for Siamp Optima 49 & 50 34490507 **Brand:** taps2traps **Price:** 56.45 DT **Availability:** ✅ In Stock ## Summary > 🚽 Seal the deal on leaks—flush with confidence! ## Quick Answers - **What is this?** Replacement Toilet Flush Valve Rubber Seal Washer for Siamp Optima 49 & 50 34490507 by taps2traps - **How much does it cost?** 56.45 DT with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.tn](https://www.desertcart.tn/products/451451710-replacement-toilet-flush-valve-rubber-seal-washer-for-siamp-optima) ## Best For - taps2traps enthusiasts ## Why This Product - Trusted taps2traps brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Stop Wasting Water:** Eliminate slow leaks and reduce your water bill instantly - • **Durable Rubber Seal:** Premium rubber ensures long-lasting, watertight performance - • **Trusted by Thousands:** 4.5-star rating with hundreds of happy customers - • **Perfect Fit, Zero Drip:** Custom-designed for Siamp Optima 49 & 50 for flawless compatibility - • **Quick & Easy Installation:** Swap out the old seal in minutes—no plumber needed ## Overview This replacement rubber flush valve seal washer is engineered specifically for Siamp Optima 49 & 50 toilet cisterns, featuring a 4.3cm internal and 7.1cm external diameter for a perfect fit. Crafted from durable rubber, it stops slow leaks effectively, saving water and preventing costly damage. Easy to install and highly rated by users, it’s the essential upgrade for a flawless flush. ## Description REPLACEMENT SEAL FOR SIAMP OPTIMA 49 & 50 This is the washer that holds the water in the toilet cistern. If cistern empties slowly on its own this washer can be the problem. Washer is fatter in the middle than at the edges Internal diameter 4.3cm - external diameter 7.1cm Review: Perfect replacement - Perfect replacement seal. Good quality, easy to fit. Stopped water letting through immediately Review: Perfect fit - Had an annoying constant water flow in my toilet cistern and this replacement seal was perfect for the job. Easy enough to swap out with the original seal which had clear sign of wear. Job done. ## Features - rubber flush valve sealing washer ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0B3834LQD | | Best Sellers Rank | 33,111 in DIY & Tools ( See Top 100 in DIY & Tools ) 23 in Tap & Valve Washers | | Brand | Taps2Traps | | Connector Type | Compression | | Country of Origin | China | | Customer Reviews | 4.5 4.5 out of 5 stars (279) | | Exterior Finish | Rubber | | Inlet Connection Size | 1.69 Inches | | Inlet Connection Type | Compression | | Manufacturer | Taps2Traps | | Material | Rubber | | Model Number | 0735203234951 | | Number of Pieces | 1 | | Number of Ports | 2 | | Outlet Connection Size | 1.69 Inches | | Outlet Connection Type | Compression | | Size | 4.3cm (Internal) - 7.1cm (External) | | Specification Met | CE | | Thread Size | 2.8cm | | Thread Type | NPT | | UPC | 735203234951 | | Unit Count | 1.0 Count | | Valve Type | Check Valve | ## Product Details - **Brand:** Taps2Traps - **Exterior finish:** Rubber - **Inlet connection size:** 1.69 Inches - **Inlet connection type:** Compression - **Manufacturer:** Taps2Traps - **Material:** Rubber - **Number of ports:** 2 - **Outlet connection size:** 1.69 Inches - **Outlet connection type:** Compression - **Specification met:** CE ## Images ![Replacement Toilet Flush Valve Rubber Seal Washer for Siamp Optima 49 & 50 34490507 - Image 1](https://m.media-amazon.com/images/I/51EBYbcMClL.jpg) ## Questions & Answers **Q: Looking for seal that goes between cistern and toilet bowl** A: This is not for that job, this is a flush valve washer for the mechanism that flushes the water though. You need a doughnut washer to seal between toilet pan and cistern. **Q: is this compatible with roca single pull flushmpatible with roca** A: No, it is for Siamp flush valves **Q: Looking for Beta valve cistern washer** A: sorry, we do not stock one, this is for Siamp Valves only ## Customer Reviews ### ⭐⭐⭐⭐⭐ Perfect replacement *by A***R on 2 July 2025* Perfect replacement seal. Good quality, easy to fit. Stopped water letting through immediately ### ⭐⭐⭐⭐⭐ Perfect fit *by B***N on 9 August 2025* Had an annoying constant water flow in my toilet cistern and this replacement seal was perfect for the job. Easy enough to swap out with the original seal which had clear sign of wear. Job done. ### ⭐⭐⭐⭐ Good product *by D***D on 4 October 2022* Good prodcut works and fits well ## Frequently Bought Together - Replacement Toilet Flush Valve Rubber Seal Washer for Siamp Optima 49 & 50 34490507 - Pack of 3 Replacement Rubber Ball Valve Washers - Fits All Siamp Fill Valves - Replacement Toilet Flush Valve Rubber Seal Washer for Siamp Skipper 45 & Storm 33A --- ## 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.tn/products/451451710-replacement-toilet-flush-valve-rubber-seal-washer-for-siamp-optima](https://www.desertcart.tn/products/451451710-replacement-toilet-flush-valve-rubber-seal-washer-for-siamp-optima) --- *Product available on Desertcart Tunisia* *Store origin: TN* *Last updated: 2026-06-08*