How to Replace A Kitchen Sink

A new sink can brighten up the work area in your kitchen, and it’s a good project to do in conjunction with a faucet replacement. Here, we’ll show you how to install a basic, self-rimming, surface mount stainless steel sink. This project requires some moderate do-it-yourself skills, but it can be completed in an afternoon.

Tools

Steps

  1. How to Replace Your Kitchen Sink - Step 1

    Measure your sink to to ensure the new one you buy will fit.

  2. How to Replace Your Kitchen Sink - Step 2

    Turn off the hot and cold water shut-off valves. These are usually located in the cabinet directly under the sink.

  3. How to Replace Your Kitchen Sink - Step 3

    Open up the faucet to relieve the pressure.

  4. How to Replace Your Kitchen Sink - Step 4

    Disconnect the water supply line and remove the faucet, handles and the soap dispenser if there is one.

  5. How to Replace Your Kitchen Sink - Step 5

    Turn off the power running to the garbage disposal and remove it.

  6. How to Replace Your Kitchen Sink - Step 6

    Remove the slip nut and gasket connecting the drain assembly to the floor pipe.

  7. How to Replace Your Kitchen Sink - Step 7

    Under the sink, loosen the clamp holding the sink in place and turn to the side.

  8. How to Replace Your Kitchen Sink - Step 8

    Use a box knife to score along the sink to separate it from any caulking.

  9. How to Replace Your Kitchen Sink - Step 9

    Carefully lift out the old sink.

  10. How to Replace Your Kitchen Sink - Step 10

    Gently remove leftover caulk without scraping the counter and clean the surface.

  11. How to Replace Your Kitchen Sink - Step 11

    Add new caulk to the underside edge of the new sink.

  12. How to Replace Your Kitchen Sink - Step 12

    Carefully place the new sink into the hole.

  13. How to Replace Your Kitchen Sink - Step 13

    Smooth out caulk that seeps out from the sides.

  14. How to Replace Your Kitchen Sink - Step 14

    Reattach any clamps that hold the sink to the counter.

  15. How to Replace Your Kitchen Sink - Step 15

    Place the faucet back and reattach the tubing.

  16. How to Replace Your Kitchen Sink - Step 16

    Place plumber’s putty around the new drain and strainer.

  17. How to Replace Your Kitchen Sink - Step 17

    Place the drain and strainer in their respective holes and tighten with the washer and nut that came with the assembly.

  18. How to Replace Your Kitchen Sink - Step 18

    Remove excess plumber’s putty.

  19. How to Replace Your Kitchen Sink - Step 19

    Reattach the garbage disposal.

  20. How to Replace Your Kitchen Sink - Step 20

    Turn the power back on and test the sink. Make sure there are no leaks.


Read Video Transcript

A new sink can brighten up the work area in the kitchen, and it’s a a good project to do in conjunction with a faucet replacement. The project requires some moderate do-it-yourself skills, but it can be completed in an afternoon.

Here, I’ll show you how to install a basic, self-rimming, surface mount stainless steel sink. As you get started in this project, you can find all of the tools, as well as the advice you’ll need, at your local independent home improvement retailer. To avoid having to cut a larger sized hold in your counter, make sure the new sink is the same size as the old sink. If you’re also installing a new faucet, be sure to see our video “Replacing a Faucet.”

First, we’ll remove the old sink. Turn off the water by turning off the shut-off valves under the sink, and opening up the faucet to relieve the water pressure.

Next disconnect the water supply lines at the shut-off valves and remove anything else connected to the sink, such as the faucet and garbage disposer.

To disconnect the drain and gasket, remove the slip nut and gasket that attaches the drain assembly to the drain that comes out of the floor and also the tailpiece coming from the sink.

The next task is to take out the sink. Underneath the rim of the sink are clamps with screws that hold the sink in place. Loosen the clamp and twist them to the side.

You’ll also need to score underneath the rim of the sink with a blade knife to free it from any caulk or adhesive.

Carefully lift out the old sink. You may need some help with this step of the project. There will likely be caulk along the edge. Be sure to clean this off with a putty knife, but be careful not to scratch the countertop. When the sink is removed, remove all of the old caulk so that the edge around the hole where the sink will go is clean.

Now turn the sink upside down and run a bead of silicone caulk around the outer edge of the sink. Carefully turn the sink over and place it in the hole. Some of the caulk should seep out the edge between the sink and the countertop. Wipe this clean with a rag.

Underneath the sink, attach the clamps or any other hardware that may have come with the sink.

Once the sink is securely in place, finish installing the faucet by reattaching the supply lines to where they hook up to the shut-off valves.

Next, hook up the sink strainer. Since you’re installing a new sink, you might also want a new strainer assembly. To do this, roll a bead of plumber’s putty to a medium sized bead and press it around the edge of the drain assembly flange.

Drop in the sink strainer, then tighten using the washers and nut provided with the assembly. Trim away any plumber’s putty that squeezes out.

Attach the garbage disposer flange in the same way, if you have one. Finish installing the garbage disposer and reconnect the electricity.

With strainer assembly in place, attach the tailpiece then attach the rest of the drain assembly, including the trap. Tighten all connections and link them into the garbage disposer, if you have one.

Now you’re ready to test it. Turn on the water to the faucet, and run the water in each sink to make sure all of the drain connections are sealed properly. It’s also a good idea to check back frequently the first few hours after installation to make sure nothing is leaking.

If you have questions about this or any other home improvement project, be sure to read our list of Frequently Asked Questions for this video. And be sure to print out our Project Instructions, which includes a Tools and Materials checklist, before visiting your local independent home improvement retailer. That’s where you’ll find all the products and helpful advice to complete your project. If you’re not sure where to find your local store, check out our Store Locator.

Good luck with your project and thanks for watching!

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44 responses to “How to Replace A Kitchen Sink”

  1. Dessyanaiwan says:

    Sink is important part of your kitchen and you always want it works proper don’t give you embarrassment . The above process to replace kitchen sink is nice to follow step by step. Always take care about it .

  2. Cheryl Geary says:

    Very easy to follow instructions except one, how to get the metal ring attached to the garbage disposal drain, out of the sink?

  3. JB says:

    This is incredibly helpful! Thank you!

    I just purchased a new kitchen sink at build.com and was looking for something like this.

    Check out their video as well on installing a kitchen sink: http://www.build.com/how-to-install-a-kitchen-sink/a153

  4. Jim says:

    You didn’t say anything about the disposal drain. I guess the process is the same as the sink strainer/ drain? Thanks for the step by step instructions.

  5. Abhi says:

    Hi, your article is highly instructive. Sure would be helpful for me to review this article, I’ve only had a problem to replace my kitchen sink, But it’s definitely the best tips for replace my kitchen sink for your methods and demeanor are valued as an informative instructor for us, Excellent article!

  6. Patrick says:

    I am in the process of replacing my kitchen sink top. I would like to know where the top comes into contact with the wall tiles can I place an alluminium angle around the edge of the chip board top and using silcon stick the one edge to top and the other edge to the tiled walls. This will prevent water penetration to the wood and seal between the tile and strip. Please advice.

    • Dave Haw says:

      Why bother with the aluminum angle? I’ve always imply used an indoor-outdoor caulk where the countertop or backsplash meets the wall.

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  8. Armina Stone says:

    Very informative, thanks for sharing!

  9. Mark says:

    This is great information. I’m trying to decide on a stainless steel or granite. In the end I think I’ll choose a stainless steel. I am a bit concerned about choosing the light color I would need, considering we are hard on our sinks. This article certainly made me think .

  10. Janice Smith says:

    The role of the sink is very crucial in maintaining the functionality of the kitchen at its matchless level. It is quite unfortunate to say that for many homeowners the sink is less significant. But from my point of view, it is one of the most compelling parts of the kitchen. Hence, it is our responsibility to check the efficiency of our sink on a regular basis just to make sure whether it is working properly or not. There are so many reasons behind a sink replacement. Sometimes it is for making the kitchen more brighten and bringing freshness to the kitchen and in some other cases it is for performance restoration. So, whatever may be the purpose, we should replace it effectively by hiring a well efficient contractor in order to keep the serviceability in tip-top shape.

  11. If you are installing a garbage disposal with your sink make sure you get a sink in a material that allows you to install one. Some sinks will crack under pressure from the garbage disposal. The best sink for the job is stainless steel sinks.

  12. Alex says:

    Thanks for tips

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  16. Dave Haw says:

    The replacement process is simpler if you detach the supply tubing from the wall valves first. This keeps from having to reach between the wall and the sink bowl to get at the faucet nuts.
    Then proceed to remove the old sink.If you are going to reuse the old faucet, uninstall it from the old sink after removing the sink. Then install the faucet with supply tubing attached to the new sink before inserting into the counter. Reconnect the supply lines to the valves.

  17. frankhouse says:

    Thank you so much for this tutorial. Ive been trying to decide whether or not to get this beautiful single drain sink. The garbage disposal was always the concern for us. You gave me hope.

  18. robux codes says:

    There are so many reasons behind a sink replacement. Sometimes it is for making the kitchen more brighten and bringing freshness to the kitchen and in some other cases it is for performance restoration. So, whatever may be the purpose, we should replace it effectively by hiring a well efficient contractor in order to keep the serviceability in tip-top shape.

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