--- product_id: 310464078 title: "Krowne Royal Series 21-309L Low Lead Hot 1/4 Turn Ceramic Cartridge Valve and Handle Repair Kit for Commercial Food Industry Restaurant Hotel | Fits All Faucets and Pre-Rinse Units, Metallic, NSF" brand: "krowne" price: "$97.13" currency: USD in_stock: true reviews_count: 5 category: "Krowne" url: https://www.desertcart.us/products/310464078-krowne-royal-series-21-309l-low-lead-hot-1-4 store_origin: US region: United States of America --- # Fully assembled for quick, hassle-free installation Low lead compliant for safe, eco-friendly use 1/4 turn ceramic cartridge for smooth control Krowne Royal Series 21-309L Low Lead Hot 1/4 Turn Ceramic Cartridge Valve and Handle Repair Kit for Commercial Food Industry Restaurant Hotel | Fits All Faucets and Pre-Rinse Units, Metallic, NSF **Brand:** krowne **Price:** $97.13 **Availability:** ✅ In Stock ## Summary > 🔧 Upgrade your kitchen’s heartbeat with Krowne’s precision and durability! ## Quick Answers - **What is this?** Krowne Royal Series 21-309L Low Lead Hot 1/4 Turn Ceramic Cartridge Valve and Handle Repair Kit for Commercial Food Industry Restaurant Hotel | Fits All Faucets and Pre-Rinse Units, Metallic, NSF by krowne - **How much does it cost?** $97.13 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/310464078-krowne-royal-series-21-309l-low-lead-hot-1-4) ## Best For - krowne enthusiasts ## Why This Product - Trusted krowne brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Safety First, Always:** Meets strict NSF low lead standards, ensuring compliance and peace of mind in foodservice settings. - • **Precision Flow Control:** Advanced ceramic cartridge technology delivers smooth, leak-free 1/4 turn operation every time. - • **Universal Fit, Zero Downtime:** Seamlessly compatible with all Royal Series faucets and pre-rinse units—no more hunting for parts. - • **Install in Minutes, Save Hours:** Fully assembled kit means fast, tool-ready repairs that keep your kitchen running at peak efficiency. - • **Built to Last in Commercial Kitchens:** Robust stainless steel construction designed to withstand the toughest restaurant and hotel environments. ## Overview The Krowne Royal Series 21-309L is a fully assembled, low lead compliant hot 1/4 turn ceramic cartridge valve and handle repair kit designed for commercial foodservice faucets and pre-rinse units. Engineered for universal compatibility, it features durable stainless steel construction and advanced ceramic technology for smooth, leak-free operation. Ideal for restaurants and hotels, it ensures quick installation and meets stringent NSF safety standards. ## Description Krowne Valve & Handle Repair Kit, hot stem assembly, 1/4 turn ceramic cartridge, fully assembled, low lead compliant (interchangeable with most brands), includes internal check valves to prevent backflow & cross contamination, includes internal check valves to prevent backflow & cross contamination Review: Best replacement for T&S junk. Constantly rebuilding T&S fittings finally found these Krowne 1/4 turn have replaced all of mine in the restaurant. Super easy swap works great no leaks! Review: i use for my faucet. is perfect fit. ## Features - VERSATILE COMPATIBILITY AND COMPREHENSIVE DESIGN: The Krowne Royal Series 21-309L Low Lead Hot 1/4 Turn Ceramic Cartridge Valve and Handle Repair Kit is meticulously designed for seamless compatibility with a wide range of commercial faucets and pre-rinse units. This includes universal adaptability across all Royal Series fixtures, ensuring that it meets the diverse needs of the commercial food industry, restaurants, and hotels. - ADVANCED CERAMIC CARTRIDGE TECHNOLOGY: At the heart of the Krowne repair kit is the hot 1/4 turn high-performance ceramic cartridge valve. This advanced technology is known for its durability and smooth operation, providing a reliable solution that enhances the longevity and performance of the faucets it services. The ceramic cartridge ensures precise control over water flow and temperature, contributing to a seamless and efficient user experience. - LOW LEAD COMPLIANCE AND SAFETY FEATURES: The Krowne Royal Series 21-309L repair kit is engineered to meet stringent low lead compliance standards, reflecting the company's commitment to safety and environmental responsibility. This feature is particularly crucial in the commercial food industry, where regulatory adherence is paramount. - EASE OF INSTALLATION AND FULLY ASSEMBLED KIT: The Krowne repair kit is fully assembled and designed for straightforward installation, significantly reducing downtime during maintenance and repairs. This ease of installation is a critical advantage for busy commercial settings where operational efficiency is key. - HIGH-QUALITY CONSTRUCTION AND DURABILITY: Constructed with robust and high-quality materials, the Krowne Royal Series 21-309L repair kit is built to withstand the rigors of commercial use. Its metallic components ensure long-lasting performance even in demanding environments. The high-performance ceramic cartridge is resistant to wear and tear, offering enduring reliability that translates to cost savings over time. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B002P6CFTQ | | ASIN | B002P6CFTQ | | Brand Name | Krowne | | Connector Type | Compression | | Customer Reviews | 4.8 4.8 out of 5 stars (137) | | Customer reviews | 4.8 4.8 out of 5 stars (137) | | Date First Available | 3 February 2015 | | Exterior Finish | Stainless Steel or Chrome | | Included Components | (1) Hot 1/4 Turn Cartridge Valve | | Inlet Connection Size | 3 Inches | | Inlet Connection Type | Compression | | Is Discontinued By Manufacturer | No | | Item Dimensions | 7.6 x 7.6 x 7.6 centimeters | | Item Type Name | Valve | | Item Weight | 141 g | | Item model number | 21-309L | | Manufacturer | Krowne | | Manufacturer | Krowne | | Manufacturer Part Number | 21-309L | | Material Type | Stainless Steel | | Model Number | 21-309L | | Number of Ports | 2 | | Outlet Connection Size | 3 Inches | | Outlet Connection Type | Compression | | Product Dimensions | 7.62 x 7.62 x 7.62 cm; 140.61 g | | Set Name | Krowne Royal Series 21-309L Valve and Handle Repair Kit | | Size | 1-(Pack) | | Smart Home Compatibility | Not Smart Home Compatible | | Specification Met | NSF/ANSI 372, NSF/ANSI 51, NSF/ANSI 42 | | Thread Size | 1/4 inch | | UPC | 822196413095 | | Unit Count | 1 Count | | Valve Type | cartridge valve | ## Product Details - **Brand:** Krowne - **Exterior finish:** Stainless Steel or Chrome - **Inlet connection size:** 3 Inches - **Item dimensions L x W x H:** 7.6 x 7.6 x 7.6 centimeters - **Material:** Stainless Steel ## Images ![Krowne Royal Series 21-309L Low Lead Hot 1/4 Turn Ceramic Cartridge Valve and Handle Repair Kit for Commercial Food Industry Restaurant Hotel | Fits All Faucets and Pre-Rinse Units, Metallic, NSF - Image 1](https://m.media-amazon.com/images/I/61dkpUu71jL.jpg) ![Krowne Royal Series 21-309L Low Lead Hot 1/4 Turn Ceramic Cartridge Valve and Handle Repair Kit for Commercial Food Industry Restaurant Hotel | Fits All Faucets and Pre-Rinse Units, Metallic, NSF - Image 2](https://m.media-amazon.com/images/I/61e4OIT8MkL.jpg) ![Krowne Royal Series 21-309L Low Lead Hot 1/4 Turn Ceramic Cartridge Valve and Handle Repair Kit for Commercial Food Industry Restaurant Hotel | Fits All Faucets and Pre-Rinse Units, Metallic, NSF - Image 3](https://m.media-amazon.com/images/I/61DH7Of1-sL.jpg) ![Krowne Royal Series 21-309L Low Lead Hot 1/4 Turn Ceramic Cartridge Valve and Handle Repair Kit for Commercial Food Industry Restaurant Hotel | Fits All Faucets and Pre-Rinse Units, Metallic, NSF - Image 4](https://m.media-amazon.com/images/I/61RkTD+MzXL.jpg) ## Customer Reviews ### ⭐⭐⭐⭐⭐ Review *by A***R on 28 October 2025* Best replacement for T&S junk. Constantly rebuilding T&S fittings finally found these Krowne 1/4 turn have replaced all of mine in the restaurant. Super easy swap works great no leaks! ### ⭐⭐⭐⭐⭐ Review *by A***T on 6 July 2022* i use for my faucet. is perfect fit. ### ⭐⭐⭐⭐⭐ Review *by J***Z on 14 April 2025* Fit the commercial faucet perfectly and exact durable material --- ## 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/310464078-krowne-royal-series-21-309l-low-lead-hot-1-4](https://www.desertcart.us/products/310464078-krowne-royal-series-21-309l-low-lead-hot-1-4) --- *Product available on Desertcart United States of America* *Store origin: US* *Last updated: 2026-05-16*