--- product_id: 138880048 title: "Flow Cartridge for SVR21 SVR21W Shower fits Hudson Reed Ultra Nuie Premier Showers UF" brand: "tap magician" price: "$50.78" currency: USD in_stock: true reviews_count: 10 url: https://www.desertcart.us/products/138880048-flow-cartridge-for-svr21-svr21w-shower-fits-hudson-reed-ultra store_origin: US region: United States of America --- # Shorter seating depth for perfect fit Anti-clockwise opening for smooth control Ceramic plug valve for durability Flow Cartridge for SVR21 SVR21W Shower fits Hudson Reed Ultra Nuie Premier Showers UF **Brand:** tap magician **Price:** $50.78 **Availability:** ✅ In Stock ## Summary > 🚿 Upgrade your shower game with precision-engineered flow control! ## Quick Answers - **What is this?** Flow Cartridge for SVR21 SVR21W Shower fits Hudson Reed Ultra Nuie Premier Showers UF by tap magician - **How much does it cost?** $50.78 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/138880048-flow-cartridge-for-svr21-svr21w-shower-fits-hudson-reed-ultra) ## Best For - tap magician enthusiasts ## Why This Product - Trusted tap magician brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Effortless Control:** Anti-clockwise operation designed for intuitive, smooth water flow adjustment. - • **Durable Ceramic Core:** High-quality ceramic valve ensures long-lasting, leak-free performance. - • **Versatile Connection:** Fits both 1/2 in and 3/4 in threaded inlet/outlet connections for flexible installation. - • **Precision Fit, Zero Guesswork:** Specifically engineered for Ultra & Hudson Reed SVR21 showers—no compatibility surprises. - • **Certified Safety & Reliability:** CE and RoHS certified, meeting strict European safety and environmental standards. ## Overview The Flow Cartridge SVR21 by Tap Magician is a ceramic plug valve designed exclusively for Ultra and Hudson Reed showers. Featuring a shorter seating depth and anti-clockwise operation, it guarantees a perfect fit and smooth control. Compatible with 1/2 in and 3/4 in BSPT threaded connections, this CE and RoHS certified cartridge ensures reliable, durable performance for your shower system. ## Description Upgrade your shower experience with our Flow Cartridge, specifically designed to fit SVR21 showers by Ultra and Hudson Reed. This high-quality ceramic cartridge features a unique, shorter seating depth, ensuring a perfect fit and optimal performance. It opens anti-clockwise for easy use and is compatible with both 1/2 in and 3/4 in inlet connections, making it a versatile choice. The cartridge is CE and RoHS certified, ensuring safety and reliability. Please ensure you require the SVR21 Cartridge before purchasing, as it may not work with other manufacturers' showers. ## Features - Please note this is a specific cartridge for Ultra/Hudson Reed that require the SVR21 Cartridge. It has a shorter than is standard seating Depth. If you do not know which part number you require for your shower please contact us first before purchasing as it will not work in other manufacturers showers. We can help you identify the correct part. - Ultra SVR21 SVR21W. - Cartridge opens Anticlockwise ## Technical Specifications | Specification | Value | |---------------|-------| | Asin | B07LBW9JKP | | Best Sellers Rank | 99,985 in DIY & Tools (See Top 100 in DIY & Tools) 138 in Tap Cartridges | | Brand | Tap Magician | | Connector Type | Threaded | | Country Of Origin | China | | Customer Reviews | 4.5 4.5 out of 5 stars (71) 4.5 out of 5 stars | | Exterior Finish | Ceramic | | Inlet Connection Size | 1.27 Centimeters | | Inlet Connection Type | Thread | | Manufacturer | Tap Magician | | Material | Ceramic | | Model Number | SVR21 | | Number Of Ports | 2 | | Outlet Connection Size | 1.27 Centimeters | | Outlet Connection Type | BSPT | | Set Name | SVR21 (Ultra/Hudson Reed) | | Size | 1.27 cm x 1.9 cm | | Smart Home Compatibility | Not Smart Home Compatible | | Specification Met | CE, RoHS | | Thread Size | 1.27 cm et 1.9 cm | | Thread Type | BSPT | | Unit Count | 1.0 count | | Valve Type | Plug Valve | ## Product Details - **Brand:** Tap Magician - **Exterior finish:** Ceramic - **Inlet connection size:** 1.27 Centimeters - **Inlet connection type:** Thread - **Manufacturer:** Tap Magician - **Material:** Ceramic - **Number of ports:** 2 - **Outlet connection size:** 1.27 Centimeters - **Outlet connection type:** BSPT - **Specification met:** CE, RoHS ## Images ![Flow Cartridge for SVR21 SVR21W Shower fits Hudson Reed Ultra Nuie Premier Showers UF - Image 1](https://m.media-amazon.com/images/I/51b7Gfp1A6L.jpg) ## Questions & Answers **Q: How many teeth does this have** A: It’s a standard spline on the end of the shaft if that’s what you were asking **Q: Will this work as a 2-way diverter?** A: The supplier invites customers to contact them when in doubt. I use it as a simple on-off valve for the shower with a separate diverter for other outlets on the shower tower. **Q: Can you recommend a compatible socket that can remove this cartridge?** A: I used a17mm ring spanner **Q: Where do i find the dimensions please** A: Hi, This listing is for the SVR21 Ultra shower model. If you do not have this model this will not be suitable for you. Please send your dimensions to us so we can identify a suitable replacement. ## Customer Reviews ### ⭐⭐⭐⭐⭐ The right part *by on Reviewed in the United Kingdom 23 July 2024* Spot on part for the job. Already fitted. Arrived within a couple of days. No more drips or leaks in the shower. Very happy. It also happened to be easy to fit. ### ⭐⭐⭐⭐⭐ It works... Perfect *by on Reviewed in the United Kingdom 14 July 2024* My ultra shower mixer of 10 years and one fixed address😁started leaking. Do much saw it got the attention of the smart meter outside our house. Anglian water gave me 30 days to fix the leak or very bad things would happen 🙏. So I pulled my mixer down took out the flow cartridge and went online to try and find a match. Viola! This item saved the day. No more leaks and no more threats. ### ⭐⭐⭐⭐⭐ Five star. *by on Reviewed in the United Kingdom 27 December 2025* I returned it. Wrong size. ## Frequently Bought Together - Flow Cartridge for SVR21 Shower fits Hudson Reed | Ultra Showers - Genuine Hudson Reed/Ultra/Crosswater replacement Thermostatic Cartridge - SC50T20 - Flow Cartridge Compatible with SVR22 Shower Valve fits Hudson Reed | Ultra Showers --- ## 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.us/products/138880048-flow-cartridge-for-svr21-svr21w-shower-fits-hudson-reed-ultra](https://www.desertcart.us/products/138880048-flow-cartridge-for-svr21-svr21w-shower-fits-hudson-reed-ultra) --- *Product available on Desertcart United States of America* *Store origin: US* *Last updated: 2026-07-28*