What Is The Size Of A Bathroom Sink Drain

By | July 5, 2021

What Is The Size Of A Bathroom Sink Drain?

Bathroom sink drains come in a variety of sizes, but the most common size is 1 1/2 inches in diameter. This size is large enough to handle the flow of water from a bathroom sink, but it is not so large that it will be difficult to install or maintain. Other common sizes for bathroom sink drains include 1 1/4 inches and 2 inches in diameter. The size of the drain that you need will depend on the size of your sink and the type of drain that you are installing.

If you are not sure what size drain you need, you can measure the diameter of the drain hole in your sink. The diameter of the drain hole is typically the same as the diameter of the drain. You can also consult with a plumber to get help choosing the right size drain for your sink.

Once you have chosen the right size drain, you can install it yourself or hire a plumber to do it for you. Installing a bathroom sink drain is a relatively simple process that can be completed in a few minutes.

Here are the steps on how to install a bathroom sink drain:

  1. Turn off the water supply to the sink.
  2. Remove the old drain.
  3. Apply a bead of plumber's putty around the base of the new drain.
  4. Insert the new drain into the drain hole.
  5. Tighten the drain nut until it is snug.
  6. Turn on the water supply to the sink and check for leaks.

If you are installing a new sink, you will also need to install a drain flange. A drain flange is a metal ring that fits around the drain hole in the sink. The drain flange helps to seal the drain hole and prevent water from leaking out. To install a drain flange, simply place it over the drain hole and tighten the screws until it is snug.

Maintaining your bathroom sink drain is important to prevent clogs and leaks. Here are some tips on how to maintain your bathroom sink drain:

  • Clean the drain regularly with a drain cleaner.
  • Remove any hair or debris from the drain.
  • Tighten the drain nut if it becomes loose.
  • Replace the drain if it becomes damaged.

By following these tips, you can keep your bathroom sink drain in good working condition for many years to come.


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