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Waste Couplings - What Are They And Why Are They Essential?

Discover the importance of waste couplings in your bathroom plumbing system. Learn how they prevent drainage issues and health risks. Find out how to select, install, and maintain them effectively. Explore Frikly's quality waste couplers for a seamless bathroom experience.


July 31, 2023


Waste couplings are often the most overlooked but crucial plumbing accessories that are included in the bathroom. It’s a hardware fitting that connects the waste pipe through the basin, sink or other washroom fixture to the drainage system. Even though the addition of waste couplings may appear like a minor detailing, it plays a key role in the smooth functioning of the entire plumbing system. By skipping to add the waste coupling, the waste, sludges, or impurities can return back to the fixtures and may lead to drainage issues and serious health risks.

This article guides you through the important details pertaining to waste couplings including the importance, functionalities, and advantages of adding them to your bathroom plumbing system:

What Are Waste Couplings?

A waste coupling is a hardware fitting which connects the waste pink from the sink or basin to the drainage pipe. The waste coupling includes two parts - An overflow tube and a drainage trap. The overflow tube prevents water from spilling it out of the sink in case the drainage pipe is blocked. The drainage trap holds the running water in the pipe’s blend and prevents sewer drains or gasses from entering the homes.

Things to Consider When Selecting Waste Coupling

When shopping for a waste coupling for the wash basin, there are a few common problems to look out for:

  • Ensure that the waste coupling you select is the correct size for your sink.
  • Consider your needs and preferences. Know more about the types, styles, etc to select from. For example, would you prefer one with the overflow protection feature or opt for a brass or stainless steel one?
  • Check whether the waste coupling is made of durable material and is corrosion-resistant.
  • See that the coupling is crafted with quality sealing that helps prevent leakage issues.
  • Follow the installation instructions to fix it properly to the pipe system and ideally get a professional's help regarding the same.

Prime Benefits of Using Waste Fittings

Here are the several benefits of adding waste couplings:

Holds Water in Basins

The waste coupling holds the water in basins or tubs without any sort of leakage. For washing or rinsing the body, you can fill the basin or tub and place the waste fitting to ensure that there is no seepage down the drain pipe.

Drains the Water Easily

After you finish with the water usage in the basin or tub, the waste coupling can be opened to drain the water down the drainage pipe easily. Usually, there will be a control mechanism next to the tapware on the sink or tub to control the fittings i.e.opening and closing. This depends on the model of the waste coupling that you prefer for your bathroom.

Removes Debris From Pipes

Waste fittings help prevent large debris particles from entering the drainage pipes that may lead to clogs. It is possible that hairs may still enter the drain but bigger particles like pieces of soap will not pass through the waste fittings.

Easy Availability

You can select waste fittings from a wide range of types, styles, and price ranges. Ideally, you should opt for one that fits perfectly with the sink, basin, or tub in your bathroom.

Easy Guide to Installing Waste Couplings

Installing the waste coupling is fairly a simple task that can take just a few minutes. Firstly, identify the pipe type you need to work with and choose the ideal size waste coupling. Next, clean the outer side of the pipe and apply lubricant to the inside of the coupling. Now push the coupling onto the chosen pipe and make sure it is fitted perfectly. Lastly, tighten any clamps or bolts that may be included with the coupling.

Best Tips to Maintain the Waste Couplings

Guard these easy tips to maintain the waste couplings:

  • Check the waste coupling regularly for any leakage or damage.
  • If there are any leaks, replace the coupling as soon as possible.
  • If you select the threaded coupling, make sure it is fitted or secured correctly.
  • If you choose a non-threaded coupling, check if the rubber gasket is in good condition and replace it if it is old or loose.

Frikly offers the finest quality waste couplers that are ideal for the smooth functioning of your bathroom. Explore our sanitaryware range now to get quality products for home improvements!

Also Read: 5 Essential Bathroom Fixtures For A Functional And Modern Bath Space

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