--- product_id: 22681710 title: "Flushmate C-100501-KIT Replacement Flush Valve Cartridge for Flushmate 503H Pressure Assist Systems - Includes Duckbill Valve, Filter Screen & Lower Supply Filter, 1.28 GPF Systems, OEM Part" brand: "flushmate" price: "413 zΕ‚" currency: PLN in_stock: true reviews_count: 1 category: "Flushmate" url: https://www.desertcart.pl/products/22681710-flushmate-c-100501-kit-replacement-flush-valve-cartridge-for-flushmate store_origin: PL region: Poland --- # Includes duckbill valve & filter screen 1.28 GPF water-efficient flush OEM precision fit & easy install Flushmate C-100501-KIT Replacement Flush Valve Cartridge for Flushmate 503H Pressure Assist Systems - Includes Duckbill Valve, Filter Screen & Lower Supply Filter, 1.28 GPF Systems, OEM Part **Brand:** flushmate **Price:** 413 zΕ‚ **Availability:** βœ… In Stock ## Summary > 🚽 Upgrade your flush game β€” efficiency meets reliability! ## Quick Answers - **What is this?** Flushmate C-100501-KIT Replacement Flush Valve Cartridge for Flushmate 503H Pressure Assist Systems - Includes Duckbill Valve, Filter Screen & Lower Supply Filter, 1.28 GPF Systems, OEM Part by flushmate - **How much does it cost?** 413 zΕ‚ with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.pl](https://www.desertcart.pl/products/22681710-flushmate-c-100501-kit-replacement-flush-valve-cartridge-for-flushmate) ## Best For - flushmate enthusiasts ## Why This Product - Trusted flushmate brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - β€’ **Complete Replacement Kit:** All-in-one package with valve cartridge, duckbill valve, and filter screen for hassle-free maintenance. - β€’ **Quick & Simple Installation:** Designed for easy DIY replacement with basic tools or Flushmate wrenches. - β€’ **Trusted OEM Quality & Warranty:** Genuine Flushmate part with US assembly and 1-year warranty for peace of mind. - β€’ **Consistent High-Performance Flush:** Regulates water flow for powerful, reliable flushing every time. - β€’ **Durable Corrosion-Resistant Build:** Engineered with premium materials to withstand pressure-assisted systems and reduce replacements. ## Overview The Flushmate C-100501-KIT is a genuine OEM replacement flush valve cartridge designed for Flushmate 503H pressure-assisted toilets. It delivers a consistent 1.28 gallons per flush with corrosion-resistant materials for long-lasting durability. The kit includes a duckbill valve and filter screen, ensuring complete restoration of flushing performance. Easy to install and backed by a one-year warranty, this part is engineered to maintain optimal water flow and prevent leaks, making it the trusted choice for professional-grade toilet maintenance. ## Description Sloan is the world’s leading manufacturer of commercial plumbing systems. Since 1906, we have been at the forefront of the green building movement providing smart, sustainable, and hygienic restroom solutions such as flushometers, faucets, sink, soap dispensers, and fixtures to promote wellness in commercial markets worldwide. Sloan restroom solutions improve water-efficiency without compromising design, quality, affordability, or performance. Flushometer & Sensor Retrofit Visit the Store Flushometer & Sensor Retrofit Visit the Store Sensor Faucets Visit the Store Sensor Faucets Parts Visit the Store Parts Review: Right part - Correct part for a leaking toilet. Easy to install and worked well the first time. ## Features - REPLACEMENT FLUSH VALVE CARTRIDGE: This replacement flush valve cartridge kit is designed by Sloan Flushmate for every Flushmate system. The Cartridge delivers regulated gallons per flush for a consistent, high-performance flush. Built with corrosion-resistant materials and engineered for long-lasting durability, it ensures reliable performance and easy maintenance. - EFFICIENT WATER FLOW REGULATION: The Flushmate cartridge controls the release of pressurized water, ensuring a powerful flush and optimal performance for Flushmate pressure-assisted toilets. - COMPLETE KIT FOR EASY REPLACEMENT: The package contains the Flushmate brand valve cartridge, duckbill valve, and lower supply filter screen, providing everything needed for a full replacement and restoring flushing efficiency. - FIX LEAKS & RESTORE PERFORMANCE: Replacing the Flushmate cartridge resolves common problems such as continuous water flow and leakage, bringing your toilet back to peak flushing performance. - QUICK & EASY INSTALLATION: Installing the Flushmate cartridge is simple and can be done with basic tools or by using the Flushmate cartridge wrench (ST100500) or 3-in-1 wrench (ST100100). Regular replacement and maintenance ensure long-term performance and efficiency of your Flushmate system. - OEM FLUSHMATE CARTRIDGE: This is an original equipment manufacturer (OEM) replacement cartridge, designed for use with 500, 501, 501A, 501B, 503, and 504 series Flushmate Tank systems assemblied in USA. - DURABLE & LONG-LASTING PERFORMANCE: Built to withstand the demands of pressure-assisted toilet systems, this Flushmate cartridge is made of high-quality materials to ensures reliable performance over time, reducing the need for frequent replacements. Trusted by professionals and homeowners. - INCLUDES DUCKBILL VALVE & FILTER SCREEN: The Flushmate cartridge assembly includes a duckbill replacement valve for the upper supply, a filter screen, and detailed instructions for installation and maintenance. - FLUSHMATE GENUINE PARTS: Our products perform at their best when maintained exclusively using Flushmate Genuine Parts. We offer the largest selection of best-in-class parts, manufactured and tested to Flushmate specifications, designed for the most reliable commercial restroom products. Assemblied in the USA. - ONE YEAR WARRANTY: The Flushmate Cartride is backed by a limited one-year warranty and US based product support from Flushmate, ensuring peace of mind and dependable performance for reliable use and long-term satisfaction. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B00CEICNR4 | | Best Sellers Rank | #30,603 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #182 in Toilet Replacement Parts | | Brand | Flushmate | | Brand Name | Flushmate | | Customer Reviews | 4.1 out of 5 stars 6 Reviews | | Exterior Finish | Stainless Steel | | Included Components | Part | | Inlet Connection Type | Threaded | | Item Dimensions | 9.25 x 2.5 x 2.5 inches | | Item dimensions L x W x H | 9.25 x 2.5 x 2.5 inches | | Manufacturer | Flushmate | | Manufacturer Part Number | 93300734 | | Material | Metal | | Material Type | Metal | | Model Number | C-100501-K | | Number of Pieces | 4 | | Number of Ports | 1 | | Outlet Connection Size | 2.5 Inches | | Outlet Connection Type | NPT | | Set Name | Flushmate C-100501-KIT | | Size | 1.28 GPF | | Specification Met | ASME, CSA, NSF, EPA, WaterSense, ISO 9001, CE, ASSE | | Thread Size | 1/4" NPT | | Thread Type | NPT | | UPC | 064871420046 | | Unit Count | 1.0 Count | | Valve Type | Flush Valve | ## Product Details - **Brand:** Flushmate - **Exterior Finish:** Stainless Steel - **Inlet Connection Type:** Threaded - **Item dimensions L x W x H:** 9.25 x 2.5 x 2.5 inches - **Material:** Metal - **Number of Packs:** 1 - **Number of Ports:** 1 - **Outlet Connection Size:** 2.5 Inches - **Outlet Connection Type:** NPT - **Specification Met:** ASME, CSA, NSF, EPA, WaterSense, ISO 9001, CE, ASSE ## Images ![Flushmate C-100501-KIT Replacement Flush Valve Cartridge for Flushmate 503H Pressure Assist Systems - Includes Duckbill Valve, Filter Screen & Lower Supply Filter, 1.28 GPF Systems, OEM Part - Image 1](https://m.media-amazon.com/images/I/41IHix-69ZL.jpg) ![Flushmate C-100501-KIT Replacement Flush Valve Cartridge for Flushmate 503H Pressure Assist Systems - Includes Duckbill Valve, Filter Screen & Lower Supply Filter, 1.28 GPF Systems, OEM Part - Image 2](https://m.media-amazon.com/images/I/51-604CKQcL.jpg) ![Flushmate C-100501-KIT Replacement Flush Valve Cartridge for Flushmate 503H Pressure Assist Systems - Includes Duckbill Valve, Filter Screen & Lower Supply Filter, 1.28 GPF Systems, OEM Part - Image 3](https://m.media-amazon.com/images/I/51q8yxPvzeL.jpg) ![Flushmate C-100501-KIT Replacement Flush Valve Cartridge for Flushmate 503H Pressure Assist Systems - Includes Duckbill Valve, Filter Screen & Lower Supply Filter, 1.28 GPF Systems, OEM Part - Image 4](https://m.media-amazon.com/images/I/51OLC6LAP8L.jpg) ![Flushmate C-100501-KIT Replacement Flush Valve Cartridge for Flushmate 503H Pressure Assist Systems - Includes Duckbill Valve, Filter Screen & Lower Supply Filter, 1.28 GPF Systems, OEM Part - Image 5](https://m.media-amazon.com/images/I/51V9xvyeoyL.jpg) ## Available Options This product comes in different **Size** options. ## Customer Reviews ### ⭐⭐⭐⭐⭐ Right part *by L***I on May 6, 2026* Correct part for a leaking toilet. Easy to install and worked well the first time. ## Frequently Bought Together - Flushmate Original Part C-100502-KIT Flushing Cartridge kit 504 series for M-102540-C K-3597 (includes Duckbill and inlet screen) - Moen T2812EP Rizon Eco-Performance Posi-Temp Shower Trim, Valve Required, 1.75 GPM Flow Rate, Chrome - GP876851 Mixer and Pressure-Balancing Unit Kit,Compatible with Kohler Shower Valves K-304 and K-11748 Platforms Include GP800820 and GP77759,Black --- ## 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.pl/products/22681710-flushmate-c-100501-kit-replacement-flush-valve-cartridge-for-flushmate](https://www.desertcart.pl/products/22681710-flushmate-c-100501-kit-replacement-flush-valve-cartridge-for-flushmate) --- *Product available on Desertcart Poland* *Store origin: PL* *Last updated: 2026-05-10*