How to replace kitchen Sink – A Complete Guide

(Last Updated On: November 4, 2023)

Replacing a kitchen sink is easy; however, it can be a lengthy job.

Removing your kitchen sink may be difficult because many people do not know How to replace kitchen sinks, even if they’ve not been through this before.

There are sinks in different sizes, shapes, and materials. Some are more challenging to operate with than others.

Replacing the faucet or kitchen sink is a simple method to make your kitchen have a fresh style.

Although you could always get a professional to install it, replacing the kitchen sink yourself could be economical for those wanting to save money.

There are many reasons you may have to replace your kitchen sink.

The most prevalent is that the sink you currently have is broken or damaged or you’re currently undergoing an interior remodel.

Sometimes, you’re not upgrading your bathroom sink but installing it for the first time.

Whatever your reason is. It is essential to ensure that you replace it properly.

If you remove the old sink incorrectly or encounter difficulties installing the new one, it could damage the counters, your sinks, and possibly even your plumbing.

Don’t worry. We’re here to aid you on your way. 🤗

What Is the Average Time to Replace a Kitchen Sink?

How to replace kitchen Sink

On average, an ordinary sink of 80cm by 55cm by 20cm will be installed by a professional between 1 and 2 hours.

However, many elements are involved in this particular task.

For instance, how easily the old sink can be removed, how much work it will take to fix this hole, and if the pipes must be replaced too.

Other Equipment and Tools You Might Need

• Adjustable wrench
• Pliers
• Screwdriver
• Stanley knife or something similar
• An old bucket and a bucket towel

Check the best bucket towels on Amazon that we prefer to use.

Steps to replace kitchen sink

Let’s start 👍

Step 1: Removing the Supply and Drain Lines

How to replace kitchen Sink

  • Check under the sink to discover both hot and cold water lines.
  • The valves should be turned counterclockwise using your hand to stop your water flow.
  • The shutoff valves don’t appear in the sink; check in the basement.
  • After the water supply is turned off, remove any remaining water from the pipeline.
  • The water will take just a few seconds to drain safely.
  • The pipes and supply lines could be leaking. Keep two buckets or a couple in your bag to prevent a mess.
  • Water lines are joined to each other by a tiny metal connector.
  • Utilize an adjustable wrench and turn the connector counterclockwise to release the lines.
  • Locate the power source connected to the disposal and switch it off.
  • This can be accomplished by turning off the room’s circuit breaker. This is inside the fuse box on your home’s lower floor.
  • Then, disconnect the unit’s plug from the outlet, ensuring it is removed from your electrical system.
  • The pipe will have fittings made of metal that appear like rings over them.
  • You can twist them counterclockwise with a plier to loosen the pipes.
  • You’ll be able to remove the pipes and put them away.
  • The drain hose for the dishwasher connects to the pipe near the base of the basin.
  • Press the fastener down with your pliers, then pull the hose out by hand.
  • Locate the bracket on the garbage disposal unit, and spin it using a screwdriver until it is free enough to be pulled off.

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Step 2: Replacing a Sink on the Countertop

How to replace kitchen Sink

  • You’ll see the tiny clamps made of metal all along the basin’s edges. Based on the clamp type, either a wrench or screwdriver is required.
  • Unlock the clamps until you can turn them to face the inside and outside.
  • The caulk sits between the rim of the sink and the countertop. Place the knife as flat against the counter as possible while cutting the caulking.
  • Make sure you cut the entire way around the sink to remove it.
  • Make sure to push up the sink’s underneath so it is easier to grasp. Put it away, then employ a putty knife to remove any leftover caulk on the counter.
  • Clean the countertop using water and soap, then dry it to prepare it for the new sink.
  • You should try to lower the sink to the hole it’ll sit in. If it’s not sitting comfortably, you’ll need to adjust it.
  • Removing a part of the countertop can make room for an extra-large sink, but smaller sinks should return to the shop and be repaired.
  • The sink should be removed and then turned upside down. Apply silicone caulk to make sure the sink is sealed.

Check the best silicone caulk on Amazon that we prefer to use.

Make sure to run a thin caulk around the sink’s edge. After that, turn the sink upside down and carefully place it back to the bottom of the sink.

Attach the clips around the perimeter of the sink to anchor the counter to the sink.

The clips should be positioned toward the side of the sink, with the mouths facing the counter. Make a twirl on each clip using an ax or wrench until their snug.

Step 3: Removing and Replacing an Undermount Sink

How to replace kitchen Sink

  • Find two 4-inch board that is longer than the sink’s width. Set it on the counter, with the board extending over the sink to ensure.
  • The sink is hefty and can fall if not secured when removing it.
  • Attach the clamp’s end to the wood piece and slide the other end into the drain.
  • Secure it against the drain. If you have a second drain, put another clamp on it to support it.
  • Use a putty blade to cut into the caulk and scrape as much of it off as possible.
  • You can also purchase caulk remover, but wear eye protection so it won’t go into your eyes.
  • Under the sink, crawl around and search for clips. Depending on the kind of fastener, you’ll require an awl or screwdriver.
  • Unlock them and put them aside. Also, remove the bar clamps and the board to remove the sink.
  • The caulk is placed at the top of your sink. Take a tiny caulk and then apply it throughout the area. Place the sink into the cabinet, then lift and place it in the center.
  • Underneath the sink is the pilot holes within the countertop. Put the clips in there together with their bolts or screws.
  • Then tighten them until the sink is secured.

Step 4: Reconnecting the Drain and Supply Lines

How to replace kitchen Sink

  • The faucet lines should be run through the sink’s bottom to the faucet.
  • On the side of the sink that is underneath, you should secure each line by using the help of a washer and nut.
  • You might require someone to help you steady the faucet while you tighten them until the line enters the sink.
  • Turn the drain strainer over and set it on the counter.
  • The putty is rolled between your fingers until it becomes flexible, then spread over the rim of the strainer. Then, press the strainer into the drain.
  • The gasket made of rubber is placed over the drain’s bottom underneath the sink.
  • The threaded flange is placed over it. Fix the drain and flange into place using washers and nuts into the flange’s holes. Remove any putty that remains in the drain.
  • Find your water lines running out of the wall. Connect a metal connector to each line and an outlet line to the connector’s opposite end.
  • Secure the connector using an adjustable wrench that holds the lines.

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  • The top of your garbage disposal will likely be placed over the drain’s bottom and held in place by an attachment that you screw onto.
  • Then, connect the dishwasher’s drain hose to a tiny spout of the garbage disposal or the pipes and then secure it in place using the help of a clamp for the hose.
  • The drain pipe should be able to run from the floor to the drain.
  • Put a p trap under it and connect it to the wall pipe. If you own a garbage disposal, connect the drain pipe from the drain pipe towards the back of your unit.
  • Connect each pipe by twisting the circular nut shaped like a ring using pliers.

Turn on the water source. Then, turn to the drain. Find any leaks and fix leaks by sealing the joints around the pipes or installing a new kitchen sink.

Enjoy the new kitchen sink. 😊

Read More: How to Clean Kitchen Sink Drain?

Important Points to Remember

In conclusion, to sum up, if you’re searching for another DIY project, this comprehensive guide will guide you through the installation of your kitchen sink.

Follow the steps above to complete each process step; your job should go without a hitch.

The most important points to be aware of when replacing a sink are:

How to replace kitchen Sink

  • Be cautious with the counter as well as the new and old sinks
  • Clean and prepare the working space before caulking and installing the new unit.
  • Photograph the pipes beneath the sink before disconnecting them.
  • Check your pipes to see if there are leaks after you’re finished.