--- product_id: 21301623 title: "816.418.00.1 Flush Valve Base Sealing Washer - Clear" brand: "geberit" price: "€ 14.35" currency: EUR in_stock: true reviews_count: 13 category: "Geberit" url: https://www.desertcart.sk/products/21301623-816-418-00-1-flush-valve-base-sealing-washer-clear store_origin: SK region: Slovakia --- # Superior rubber sealing for leak prevention Quick 5-10 min installation 62mm diameter precision fit 816.418.00.1 Flush Valve Base Sealing Washer - Clear **Brand:** geberit **Price:** € 14.35 **Availability:** βœ… In Stock ## Summary > 🚽 Seal the deal with Geberit’s leak-proof flush valve washer! ## Quick Answers - **What is this?** 816.418.00.1 Flush Valve Base Sealing Washer - Clear by geberit - **How much does it cost?** € 14.35 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.sk](https://www.desertcart.sk/products/21301623-816-418-00-1-flush-valve-base-sealing-washer-clear) ## Best For - geberit enthusiasts ## Why This Product - Trusted geberit brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - β€’ **Long-Term Reliability:** Backed by 10 years of EU spare part availability for peace of mind. - β€’ **Durable Rubber Material:** Premium rubber construction resists warping and surface imperfections over time. - β€’ **Effortless Installation:** Replace your faulty washer in under 10 minutesβ€”no plumber needed. - β€’ **Precision Fit, Zero Leak:** Engineered 62mm diameter ensures a flawless seal, eliminating annoying leaks. - β€’ **Universal Geberit Compatibility:** Designed to fit all Geberit flush valves for seamless integration. ## Overview The Geberit 816.418.00.1 Flush Valve Base Sealing Washer is a high-quality, clear rubber replacement part designed to fit all Geberit flush valves. With a precise 62mm diameter and durable material, it prevents leaks caused by worn or warped washers. Easy to install in under 10 minutes, this washer restores optimal toilet performance and is supported by a decade of spare part availability. ## Description Geberit flush valve won't seal properly and is constantly passing water into the toilet pan but there is no sign of an inlet valve failure, it could very well be that the base sealing washer need to be changed. Overtime as the flush valve is opened and closed, small imperfections tend to occur in the surface of the rubber washer causing the washer to be warped and not providing an adequate seal. Review: Excellent Replacement - Old one had a few little raised bumps on rubber ( like blisters in/ on the rubber ) seal and caused a slow running leak . Replaced with these and took care of the problem . Perfect product and fixed in 5 mins . Review: Fixed leaky toilet! - Perfect fit, great price. This was the only part needed to fix the toilet. The one that was bad had air bubbles in it causing the toilet to periodically leak, then stop. Took about 10 minutes, and job done! ## Features - Suitability: Suitable for all Geberit flush valves - Contents Base sealing washer only. - Good quality product - Model number: 816.418.00.1 ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B004V7FOK4 | | Best Sellers Rank | #147,853 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #191 in Toilet Flush Valves | | Brand | Geberit | | Color | Clear | | Compatible Groove Diameter | 5 Centimeters | | Customer Reviews | 4.5 out of 5 stars 3,694 Reviews | | EU Spare Part Availability Duration | 10 Years | | Exterior Finish | Rubber or Plastic | | Fastener Size | 62 mm | | Fastener Type | Flat | | Finish Types | Plain | | Global Trade Identification Number | 04025416069669, 08033146067868 | | Grade Rating | Standard | | Included Components | 1 x Geberit Replacement Flush Valve Base Sealing Washer 816.418.00.1 | | Item Diameter | 62 Millimeters | | Item Dimensions | 2.48 x 2.48 x 0.12 inches | | Item Type Name | Replacement Flush Valve Base Sealing Washer 816.418.00.1 | | Item Weight | 0.01 Kilograms | | Manufacturer | Geberit | | Material | Rubber | | Material Type | Rubber | | Metal Type | Edelstahl | | Model | K11749 | | Number Of Items | 1 | | Number of Pieces | 1 | | Outside Diameter | 62 Millimeters | | Part Number | 816.418.00.1 | | Screw Head Style | Flat | | Size | 6.3 x 6.3 x 0.3cm | | Size Name | 6.3 x 6.3 x 0.3cm | | Thread Size | 2.8 | | UPC | 791429795607 733353441540 | | Unit Count | 1.0 Count | | Washer Type | Sealing | ## Product Details - **Exterior Finish:** Rubber or Plastic - **Material:** Rubber - **Outside Diameter:** 62 Millimeters - **Size:** 6.3 x 6.3 x 0.3cm - **Washer Type:** Sealing ## Images ![816.418.00.1 Flush Valve Base Sealing Washer - Clear - Image 1](https://m.media-amazon.com/images/I/41xuf7cFOdL.jpg) ## Questions & Answers **Q: What is the Outside and Inside Diameters?** A: It is about 2 1/2" OD and ID is about 1 1/4". **Q: is this an exact replacement for kohler seal kit #1203764?** A: Yes ## Customer Reviews ### ⭐⭐⭐⭐⭐ Excellent Replacement *by D***W on February 11, 2023* Old one had a few little raised bumps on rubber ( like blisters in/ on the rubber ) seal and caused a slow running leak . Replaced with these and took care of the problem . Perfect product and fixed in 5 mins . ### ⭐⭐⭐⭐⭐ Fixed leaky toilet! *by A***R on August 20, 2025* Perfect fit, great price. This was the only part needed to fix the toilet. The one that was bad had air bubbles in it causing the toilet to periodically leak, then stop. Took about 10 minutes, and job done! ### ⭐⭐⭐⭐⭐ This worked in our unkown toilet with Geberit valves in place of 170.206.16.1 *by L***N on March 3, 2020* I was told by Geberit that I needed part number 170.206.16.1 but thought I would take a chance on this as it looked identical. Happy to report its the same part. Stopped the leak and took less than 1 minute to change out ## Frequently Bought Together - Geberit 816.418.00.1 Flush Valve Base Sealing Washer - Clear - Geberit 241.469.00.1 Toilets and Bidets - Geberit Connecting Hose for Concealed cisterns, 120 mm, 1 Piece, 240.921.00.1, Silver --- ## Why Shop on Desertcart? - πŸ›’ **Trusted by 1.3+ Million Shoppers** β€” Serving international shoppers since 2016 - 🌍 **Shop Globally** β€” Access 737+ million products across 21 categories - πŸ’° **No Hidden Fees** β€” All customs, duties, and taxes included in the price - πŸ”„ **15-Day Free Returns** β€” Hassle-free returns (30 days for PRO members) - πŸ”’ **Secure Payments** β€” Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** β€” Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.sk/products/21301623-816-418-00-1-flush-valve-base-sealing-washer-clear](https://www.desertcart.sk/products/21301623-816-418-00-1-flush-valve-base-sealing-washer-clear) --- *Product available on Desertcart Slovakia* *Store origin: SK* *Last updated: 2026-07-27*