Parts Of Bathroom Sink Drain Stopper

The drain stopper in a bathroom sink plays a vital role in controlling the flow of water and preventing it from draining away. Understanding the different parts of a bathroom sink drain stopper can be helpful when it comes to troubleshooting and maintenance. In this article, I’ll provide a straightforward overview of the components of a typical bathroom sink drain stopper.

Drain Flange

The drain flange is the visible part of the drain stopper located at the bottom of the sink. It is typically a metal or plastic ring that sits flush with the sink surface. The drain flange is responsible for securing the drain stopper and creating a watertight seal.


The stopper is the movable part of the drain stopper that can be raised or lowered to control the water flow. It is usually attached to a metal or plastic rod known as the lift rod. The stopper can be a pop-up stopper, a plunger-style stopper, or a twist-and-lock stopper, depending on the specific design of your sink.

Lift Rod

The lift rod is a slender metal or plastic rod that connects the stopper to the faucet assembly. When you lift or push down the lift rod, it moves the stopper up or down to open or close the drain.


The clevis is a small horizontal bar that connects the lift rod to the pivot rod. It allows for the transfer of motion from the lift rod to the pivot rod.

Pivot Rod

The pivot rod is a horizontal metal rod that connects to the clevis and controls the movement of the stopper. When you move the lift rod, the pivot rod rotates, causing the stopper to rise or fall, opening or closing the drain.

Ball Joint

In some sink drain stopper mechanisms, a ball joint is used to connect the clevis and the pivot rod. The ball joint allows for a wider range of motion and flexibility in adjusting the stopper’s position.

Understanding the various parts of a bathroom sink drain stopper can help you identify and troubleshoot any issues. From the drain flange to the stopper, lift rod, clevis, pivot rod, and ball joint (if applicable), each component plays a crucial role in controlling the water flow and ensuring proper drainage. Familiarizing yourself with these parts can empower you to perform basic maintenance or even replace certain components if necessary. Remember to consult the manufacturer’s instructions or seek professional help if you encounter difficulties or complex problems with your bathroom sink drain stopper.

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