--- product_id: 629255557 title: "QWORK 2Pcs Brass One-way Check Valve, 1/2\" Female to 1/2\" Male Thread of Backflow Preventer" brand: "qwork" price: "฿2621" currency: THB in_stock: true url: https://www.desertcart.co.th/products/629255557-qwork-2pcs-brass-one-way-check-valve-1-2-female store_origin: TH region: Thailand --- # 1/2" threaded fit One-way flow control Durable brass build QWORK 2Pcs Brass One-way Check Valve, 1/2" Female to 1/2" Male Thread of Backflow Preventer **Brand:** qwork **Price:** ฿2621 **Availability:** ✅ In Stock ## Summary > 🔧 Secure your flow, prevent the backflow—because your system deserves the best! ## Quick Answers - **What is this?** QWORK 2Pcs Brass One-way Check Valve, 1/2" Female to 1/2" Male Thread of Backflow Preventer by qwork - **How much does it cost?** ฿2621 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.co.th](https://www.desertcart.co.th/products/629255557-qwork-2pcs-brass-one-way-check-valve-1-2-female) ## Best For - qwork enthusiasts ## Why This Product - Trusted qwork brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Risk-Free Purchase:** Backed by a 30-day hassle-free return policy and responsive customer support. - • **Versatile Application:** Perfect for water heaters, towers, toilets, and more—adaptable to your needs. - • **Precision One-Way Valve:** Prevents backflow to protect your system and maintain clean flow. - • **Corrosion-Resistant Brass:** Engineered for longevity and reliability in any plumbing setup. - • **Universal 1/2" Threaded Design:** Seamlessly fits standard plumbing fixtures for easy installation. ## Overview The QWORK 2Pcs Brass One-way Check Valve features a durable brass construction with 1/2" female to male NPT threaded connections, designed to prevent backflow in plumbing systems. Suitable for both vertical and horizontal installation, it ensures reliable, corrosion-resistant performance in water heaters, towers, and toilets. This pack of two valves offers professional-grade quality with a 30-day satisfaction guarantee, making it an essential upgrade for efficient and secure fluid control. ## Description ## Features - Function: One-way check valve to prevent medium in the pipeline without backflow. It can be used to transmit gas and liquids under constant pressure. Vertical or horizontal levels can be used. - Reliable Brass Construction: This high-quality Brass Check Valve is made from durable brass material, ensuring long-lasting performance and resistance against corrosion. - Versatile Applications: Ideal for use in various scenarios, including water towers, water heaters, and toilets, this check valve ensures efficient operation and reliable water supply. - Size: One-way flow of 1/2" Male to 1/2" Female Thread, please confirm the direction before procurement and installation. If the installation is reversed, the water will not come out. - 100% Satisfied Service: Enjoy a smooth&worry-free return service within a month. And any questions feel free to contact us, we will be here for you. ## Technical Specifications | Specification | Value | |---------------|-------| | Size | 1/2 inch | | Material | Brass | | Brand | QWORK | | Colour | Female to Male | | Connector Type | Threaded | | Thread Size | 0.5 inch | | Exterior Finish | Brass | | Thread Type | NPT | | Item Weight | 0.08 Kilograms | | Number of Pieces | 2 | | Manufacturer | QWORK | | UPC | 734900620739 | | Country of Origin | USA | | Item model number | WD5767 | | Package Dimensions | 10.3 x 9.6 x 2.6 cm; 80 g | | ASIN | B09LTW2ZK2 | ## Product Details - **Size:** 1/2 inch - **Material:** Brass - **Brand:** QWORK - **Colour:** Female to Male - **Connector Type:** Threaded - **Thread Size:** 0.5 inch - **Exterior Finish:** Brass - **Thread Type:** NPT - **Item Weight:** 0.08 Kilograms - **Number of Pieces:** 2 ## Images ![QWORK 2Pcs Brass One-way Check Valve, 1/2" Female to 1/2" Male Thread of Backflow Preventer - Image 1](https://m.media-amazon.com/images/I/61RhdaU6iQL.jpg) ## Available Options This product comes in different **Colour, Size** options. ## Frequently Bought Together - QWORK 2Pcs Brass One-way Check Valve, 1/2" Female to 1/2" Male Thread of Backflow Preventer - Camco RV Water Heater Backflow Preventer | Features a Heavy-Duty Brass with a Stainless Spring Construction and a 1/2-Inch Male x Female NPT (23303) - Valterra P23415LF 1/2" Lead-Free Check Valve --- ## 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.co.th/products/629255557-qwork-2pcs-brass-one-way-check-valve-1-2-female](https://www.desertcart.co.th/products/629255557-qwork-2pcs-brass-one-way-check-valve-1-2-female) --- *Product available on Desertcart Thailand* *Store origin: TH* *Last updated: 2026-04-23*