Steps on How to Replace a Kitchen Sink?

Sink replacement is not an easy task but you can do it by yourself. After using the sink for many years, it comes to a point that it needs some replacement. The task may require some knowledge about removing the sink and the use of some tools. But do not worry this how to replace a kitchen sink is written to make your project easier.

Installing a brand-new kitchen sink can improve the look and usability of any kitchen. Good thing replacing it is not as hard as you think it is. Before you start with the process of replacing, there are things that you need to consider first.


What to Consider in Choosing the New Sink?


» Measure the Current Sink

You need to buy a new sink, so before heading to the houseware store near you it is a must that you measure the old sink first. Buying the first new sink you find in the store is not a good idea. You might purchase the wrong sink. Also, by doing this, you will know the position of the drains. If it requires some adjustments it will be easy for you to do.

If the design you want has different dimensions as compared to the old one, or the drain is located differently, then you need to do some adjustments on the countertop.

You can ask the help of the professional to do the modifications on your countertop, particularly if it has sensitive materials like stainless surfaces and natural stone.

» Examine the Hardware

Check the fixtures, do you need to replace them as well. If you think you need to change any hardware fixtures, you should do it while installing the new sink.

If you want to add new fixtures like soap dispenses or hot water sink, you might need to add more holes in the sink.

The majority of the sinks have 1-4 factory drilled holes. Do not alter the dink by adding a sink with several holes needed for added fixtures.

» Consider the Material

Porcelain, cast iron, stainless steel are the popular materials used in making kitchen sinks. Keep in mind that the sink is the most frequently used part of the kitchen so you need something durable and reliable. Porcelain sinks usually get stained easily, but don’t worry, there are ways to remove them.

You can remove them using a mildly abrasive cleaner, such as baking soda. If you are using your kitchen sink more than the usual, it is best to invest in a stainless-steel sink. This may look modern and minimal and is much easier to clean.

» Single or Double Sink

If you have space and extra cash, maybe you can consider choosing a double-bowl sink. It makes the washing of dishes much easier as you can separate the soaped dishes from the dirty dishes.

Also, you can keep the dirty dishes on the other side while making the other side available for those who need to wash their hands or other kitchen tools. The double sink is recommended if you have a big family that needs to wash a ton of dishes every day.

On the other hand, if you have a smaller family, a single sink will do. A big spacious sink is enough to make washing the dishes very convenient for you.

Choosing a spacious sink can make washing bigger pans easier. In deciding between the single or double sink, consider your manner of cooking and cleaning.


Check if you Need to Adjust Your Cabinets


Your cabinets are the foundation for your sink. It depends on what you are working with, you need to choose the style of sink carefully unless you are having a total renovation.

An important consideration is if the cabinets can accommodate the depth needed for your new sink and also if they can support the weight.

For instance, you will be replacing your sink with a porcelain farmhouse. It could weigh more than 100 pounds if filled with water. Check if the cabinetry would be enough to withstand the weight.


Steps on Replacing the Kitchen Sink


The replacement process has two parts, removing the old sink and installing the new sink. You cannot complete the job without the following tools:

» What You Need

⦁ Wrench
⦁ Bucket
⦁ Screwdrivers
⦁ Razor
⦁ Putty knife
⦁ Rubber gasket
⦁ New sink
⦁ Silicone caulk


Part One – Remove the Old Kitchen Sink


You don’t just pull the old sink out. There are steps that you need to follow:

» Turn Off the Water Supply

Turn off all the water supplies connected to your sink. The majority of the water supplies for hot and cold water are located below the sink. In case you cannot trace the valves, just turn off the main water supply.

Before disconnecting the valve and pipe configuration, it is best to take a picture of the valve and pipe configuration. You might be needing it when reconnecting the water lines during the installation of the new sink.

» Turn On the Faucet

Release the pressure and drain the remaining water in the line by turning on the sink faucet.

» Disconnect the Supply Lines

With a wrench disconnect the supply lines. To catch the water that might drip position the bucket. After doing this, turn off the disposal circuit and unplug it.

Remove the P-strap and drain. Then, remove the disposal motor as instructed by the manufacturer.

» Loosen the Sink

Check out for the clips that hold the sink from below. Turn each clip using the screwdriver. Then cut the caulking in the sink with a razor.

» Take the Old Sink Out

Push the old sink from the bottom. Do this until the sink loosens and detaches from the countertop. It the sink didn’t loosen up, use the razor to remove the caulking.

You can use a sharp putty knife in removing the dirt or leftover debris on the countertops.

how to replace a kitchen sink


Part Two – Install the New Sink


Adding the new sink is not hard at all. Follow the simple steps below:

» Check If the New Sink Fits

Start by fitting the new sink in the existing hole to determine if you need to create a new hole or not. For the undersize or oversize sink, you can contact a specialist. They have the experience to fit it on the countertop.

» Attach the Clips

Flip the new countertop and connect all the clips. The clips should face towards the sink bowl.

» Attach the Strainer

Roll some putty to form a putty strip around the strainer’s edges and the drain. Place the strainer in the sink drain as you press it inwards.

» Add the Gaskets

Place the sink sideways and place the rubber gaskets on the drain. Thread the flange until you cover all the drains. Trim the excess putty that can be pushed in the sink or drain bowl.

» Install the Sink

Get the mounting bracket and screw it. Use some silicone caulk below the sink. Place the sink in the countertop. Make sure that it is perfectly aligned. Then, rotate the clips towards the sink bowl. Secure it firmly.

» Seal the Outer Part

Using silicone caulk, seal the outer part of the sink and then remove any excess with a bit wet rag.

» Attach Fixtures

Reconnect the disposal lines and the water supplies. Connect the added fixtures like soap dispensers and hot water supply.

If you are not sure how to return the sink fixtures, you can ask professional help. Any errors committed while installing the sink fixtures may result in reduced efficiency, malfunctioning, and leakages.

» Reconnect the P-Trap

Lastly, screw the P-trap in place. Turn on the water supplies and sink’s electrical. Then check the sink for any leaks and other issues.


Final Thoughts


If you think you are not capable to do the task of replacing a kitchen sink, it is best to ask the service of a professional. But for those who want to save on paying, you can follow this how to replace a kitchen sink guide. Just make sure you have the right tools and the right sink to replace the old one.

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