What are Waste Coupling and What Makes Them Important? The waste coupling part of your wash basin may seem like an unnecessary part that doesn't matter, but it's actually incredibly important! A waste coupling allows the water from your basin to drain into the waste pipe under your bathroom floor. Without this piece, you'd end up with water backing up into the rest of your plumbing, which could cause water damage to your home and potentially harm you or others. To help you [choose the best coupling](https://www.esscobathware.com/product-range/allied-bathfittings-mechanisms?product_id=375) to meet your needs, we provide you with everything you need to know about waste couplings for wash basins, including their different styles, how they work, and how they can benefit your life. Read on to learn more! **How does waste coupling work?** [ **[shower filter](https://blushowerheadfilter.com/shop/)**](https://)](https://)**How does waste coupling work?** [ **shower filter**](https://)](https://) A waste coupling for the wash basin is a fitting that connects the waste pipe from a sink to the drain pipe. The waste coupling for a sink has two parts: an overflow tube and a drainage trap. The overflow tube prevents water from spilling out of the sink if the drain becomes blocked. The drainage trap holds water in the pipe's bend, preventing sewer gases from entering your home. **Common problems to look at while buying Waste coupling** When shopping for a waste coupling for the wash basin, there are a few common problems to look out for: First, ensure that the coupling you're considering is the right size for your sink. Second, check to see if the waste coupling is made of durable materials that will resist corrosion. Third, ensure that the coupling you choose has an excellent seal to prevent leaks. Fourth, ensure the installation instructions are clear and easy to follow. And finally, before buying a sink waste coupling, it's essential to consider your needs and preferences like do you want one with an overflow protection feature? Would you prefer stainless steel or brass? Is it necessary that the overflow protection be able to hold back water at a certain height? Once you've answered these questions, finding the perfect sink waste coupling should be easy! **Why choose Essco waste coupling** Waste coupling for sink from Essco by Jaquar group is designed to last long without hiccups. Our bath fittings are perfect for your bathroom, and here is why: **Durable** The sink waste coupling by Essco is made of high-quality materials and is designed to last. The sturdy, rust-free Essco waste coupling is easy to install, so you can do it yourself without calling a plumber. **Affordable** Essco waste coupling is priced at the most affordable rates without compromising the quality of the product. As all Essco products are designed for use in damp, humid environments, our chrome-plated products prevent them from rusting even with regular cleaning. With all the features mentioned above, you can rest assured that when you choose waste couplers from Essco, you are getting a quality product that will provide years of trouble-free use.