--- product_id: 140265341 title: "McAlpine WHB-1 Wash Hand Basin and Bath Space Saver with Self-Closing Waste Valve." brand: "mcalpine" price: "₩100131" currency: KRW in_stock: true reviews_count: 10 category: "Mcalpine" url: https://www.desertcart.kr/products/140265341-mcalpine-whb-1-wash-hand-basin-and-bath-space-saver store_origin: KR region: South Korea --- # Self-closing waste valve reduces water waste Compact space-saving design Air intake valve for flexible plumbing McAlpine WHB-1 Wash Hand Basin and Bath Space Saver with Self-Closing Waste Valve. **Brand:** mcalpine **Price:** ₩100131 **Availability:** ✅ In Stock ## Summary > 🚿 Elevate your space with smart, sleek plumbing innovation! ## Quick Answers - **What is this?** McAlpine WHB-1 Wash Hand Basin and Bath Space Saver with Self-Closing Waste Valve. by mcalpine - **How much does it cost?** ₩100131 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.kr](https://www.desertcart.kr/products/140265341-mcalpine-whb-1-wash-hand-basin-and-bath-space-saver) ## Best For - mcalpine enthusiasts ## Why This Product - Trusted mcalpine brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Durable & Lightweight:** Robust construction at just 110g with easy installation, designed to last and perform flawlessly in any setting. - • **Odour-Free Environment:** Waterless trap with membrane seal blocks foul smells and sewer gases, keeping your space fresh and inviting. - • **Innovative Air Intake Valve:** Built-in air intake allows negative pressure balancing, ensuring smooth drainage and versatile plumbing installation. - • **Maximize Your Bathroom Space:** Sleek, compact design fits perfectly in small bathrooms and cloakrooms without sacrificing functionality. - • **Eco-Friendly Water Efficiency:** Integrated self-closing waste valve seals automatically to prevent unnecessary water loss—saving you money and the planet. ## Overview The McAlpine WHB-1 is a compact wash hand basin trap featuring a self-closing waste valve that minimizes water waste and an air intake valve for flexible plumbing design. Its waterless trap with membrane seal prevents odours, making it ideal for small bathrooms and cloakrooms. Lightweight and durable, it offers a modern, efficient solution for hygienic drainage. ## Description Product Description aplus content video Trap Types Bath Traps Bath Traps, Waste Flows and connectors come in a range of sizes, shapes, ensuring stylish and effective drainage of wastewater from any bath. 110mm Traps 110mm Traps are the perfect, robust solution for connection with 110mm pipes for efficient removal of wastewater. Bottle Traps An essential tool for allowing efficient and hygienic drainage of wastewater while blocking odours by filling the bottom of the trap with water. Condensate Traps and Fittings Condensate traps and fittings for connecting condensate discharge and safe drainage, including a range of flexible connectors. Contract Traps Provide cost-effective and reliable drainage solutions. Designed for durability and efficient water flow across various plumbing applications. Domestic Appliance Traps Allow the drainage of wastewater and discharge from your washing machine, dishwashing machine and more into new or existing drainage installations. Fillers and Wasteflow McAlpine's Fillers and Wasteflow products offer reliable solutions for controlling water flow in various plumbing applications. Self-Closing Waste Valves Self-Closing Waste Valves can be fitted both horizontally and vertically, and allow water and discharge to flow freely. When should I use an anti-syphon or resealing trap? Generally, the waste pipe or discharge pipe from an appliance is beyond the limitations of an unvented waste pipe. Usually more critical on the basin and bidet Wastes. When should I use an anti-syphon or resealing trap? Generally, the waste pipe or discharge pipe from an appliance is beyond the limitations of an unvented waste pipe. Usually more critical on the basin and bidet Wastes. What is the difference between an anti-syphon trap and a re-sealing trap? A re-sealing is designed to allow air to pass through the water seal under negative pressure but will retain sufficient water. An anti siphon trap has a small mechanical valve which opens under negative pressure. What is the difference between an anti-syphon trap and a re-sealing trap? A re-sealing is designed to allow air to pass through the water seal under negative pressure but will retain sufficient water. An anti siphon trap has a small mechanical valve which opens under negative pressure. Why does water not run away in my shower? If it is not due to the obvious reason of a blockage caused by a buildup of debris, the problem could be due to back pressure within the discharge pipe. Why does water not run away in my shower? If it is not due to the obvious reason of a blockage caused by a buildup of debris, the problem could be due to back pressure within the discharge pipe. What is the maximum thickness of bath that your bath fillers can be installed on? The maximum thickness of the bath is 20mm and unfortunately, we do not make an extension ferrule to extend that length. What is the maximum thickness of bath that your bath fillers can be installed on? The maximum thickness of the bath is 20mm and unfortunately, we do not make an extension ferrule to extend that length. McAlpine History We’re known for innovations that change the landscape of plumbing products. From introducing PVC Shower traps to the UK in 1957 to being the first to introduce Chrome 3 Brassware in 2023, we have a long and storied history of introducing quality products that change the industry’s future. Review: Basin drain trap - Great space saving trap does not let water or smells back into basin highly recommend. Review: Space saver - Still working well after several years. Allowed me to have a shallow sink directly above the washing machine. ## Features - McAlpine WHB-1 wash hand basin space saver with integrated self-closing waste valve. - Self-closing waste valve seals when not in use to reduce water waste. - Valve design allows air intake during negative pressure, offering greater flexibility in plumbing design. - Compact space-saver design ideal for small bathrooms and cloakrooms. - Waterless trap design with membrane seal prevents foul odour and sewer gas. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B07N12KLRV | | Batteries Required? | No | | Batteries included? | No | | Best Sellers Rank | 83,328 in DIY & Tools ( See Top 100 in DIY & Tools ) 299 in Traps | | Colour | White | | Customer Reviews | 4.5 4.5 out of 5 stars (348) | | Date First Available | 22 Jan. 2019 | | Item Package Quantity | 1 | | Item Weight | 110 g | | Item model number | WHB-1 | | Manufacturer | McAlpine | | Part Number | WHB-1 | | Product Dimensions | 5.8 x 13.8 x 13.8 cm; 110 g | | Size | 1 & 1/4" | ## Images ![McAlpine WHB-1 Wash Hand Basin and Bath Space Saver with Self-Closing Waste Valve. - Image 1](https://m.media-amazon.com/images/I/51U8C6F9mDL.jpg) ![McAlpine WHB-1 Wash Hand Basin and Bath Space Saver with Self-Closing Waste Valve. - Image 2](https://m.media-amazon.com/images/I/61jao7iv6WL.jpg) ## Available Options This product comes in different **Size** options. ## Questions & Answers **Q: When should I use an anti-syphon or resealing trap?** A: Generally, the waste pipe or discharge pipe from an appliance is beyond the limitations of an unvented waste pipe. Usually more critical on the basin and bidet Wastes. **Q: What is the difference between an anti-syphon trap and a re-sealing trap?** A: A re-sealing is designed to allow air to pass through the water seal under negative pressure but will retain sufficient water. An anti siphon trap has a small mechanical valve which opens under negative pressure. **Q: Why does water not run away in my shower?** A: If it is not due to the obvious reason of a blockage caused by a buildup of debris, the problem could be due to back pressure within the discharge pipe. **Q: What is the maximum thickness of bath that your bath fillers can be installed on?** A: The maximum thickness of the bath is 20mm and unfortunately, we do not make an extension ferrule to extend that length. ## Customer Reviews ### ⭐⭐⭐⭐⭐ Basin drain trap *by W***H on 20 May 2026* Great space saving trap does not let water or smells back into basin highly recommend. ### ⭐⭐⭐⭐⭐ Space saver *by S***T on 17 April 2026* Still working well after several years. Allowed me to have a shallow sink directly above the washing machine. ### ⭐⭐⭐⭐ No smell *by A***R on 28 June 2020* Stops smells but not the noise of the echos from the soil pipe, easy install good product better of with a proper trap to stop noise also ## Frequently Bought Together - McAlpine 1-1/4" Self Closing Space Saver Basin Waste Trap WHB-1 | Compact Anti-Odour Trap for Cloakrooms & Basins | Horizontal Outlet | Hygienic, Durable Design - Wirquin 39007001 Overflow set for washbasins, flexible - Wasserrhythm Pop up Basin Waste Slotted Click Clack Plug with Overflow Pop-up Bathroom Sink Waste Chrome 304 stainless steel --- ## 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.kr/products/140265341-mcalpine-whb-1-wash-hand-basin-and-bath-space-saver](https://www.desertcart.kr/products/140265341-mcalpine-whb-1-wash-hand-basin-and-bath-space-saver) --- *Product available on Desertcart South Korea* *Store origin: KR* *Last updated: 2026-08-06*