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    Installing a Bathroom Sink Drain – A How-To Guide


    Installing a Bathroom Sink Drain – Your bathroom is one of the significant parts of the home. It should have two features. Firstly, it should be convenient; installed with the basic facilities. Secondly, it should be kept clean at all times. When it comes to maintaining the hygiene of the bathroom, it not just depends on regular cleaning.

    Due to excessive use of water, different parts of the bathroom can become worn, develop mold, and similar problems. This is not only unhygienic but can lead the parts to stop working properly. An example is the bathroom sink drain. With so much water flowing over it frequently throughout the day, it can deteriorate with time. When this happens, you should get it replaced before you have to deal with a bigger hassle.

    You are likely to call a professional for this purpose but if you can learn how to install a bathroom sink drain, money can be saved. You can easily find the parts and supplies at a hardware store and no highly-technical tools are required to complete this job. In the following post, we will provide a simple guide on how to install a bathroom sink drain.

    Supplies and Tools Needed to Install the Sink Drain

    You will need the following supplies and tools to successfully replace the sink drain in your bathroom:

    • New and good-quality bathroom sink drain
    • Wrenches or pliers
    • Teflon tape
    • Plumber’s putty

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    Method of Replacing the Sink Drain

    Follow the steps below to learn how to install a bathroom sink drain:

    • Clear out under the sink to create space for working
    • There is a u-shaped piece of pipe under the sink that connects the drain to the trap. The pipe is held by a compression cap, which you need to loosen to slide out the pipe
    • With pliers or a wrench, loosen the nut on the sink’s underside. This nut holds the drain in place and loosening it will remove the drain
    • Roll the plumber’s putty between your palms to form a long ‘snake’ shape. Keep the length enough that it wraps around the drain
    • Press the putty to the underside of the new drain flange
    • Insert the drain into the sink
    • As the flange tightens, the putty will squeeze out but the excess can be removed later
    • Install a large gasket and nut to secure the drain from the underside
    • As far as possible, tighten using your hands. Next, use the pliers or wrench to snug the system up. Don’t over-tighten to prevent cracking of the sink
    • Ensure that the drain tailpiece is seated nicely into the trap
    • Tighten the compression cap near the trap
    • Through the back of the faucet, insert the lever for the pop up drain
    • Next, insert the pop up into the drain
    • On the underside, insert the pop up drain control into the drain tailpiece’s back
    • Tighten the securing nut
    • Attach the pop up lever to the control rod
    • Remove all the plumber’s putty
    • Test the installed drain

    In order to prevent seepage, apply Teflon tape to any threaded parts.


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