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How to Remove a Bathroom Sink

by H. McGurgan

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Undermount bathroom sink

Things You Need:

  • Adjustable wrench
  • Pliers
  • Bucket
  • Utility knife
  • Putty knife
  • Pry bar

If you are planning to redecorate or renovate one of your bathrooms, you may be thinking about replacing your old bathroom sink with a newer model. Before you can begin enjoying your new sink, you'll need to remove the old bathroom sink and disconnect the plumbing. Although it may seem like a complicated task, bathroom sink removal is a project that can be accomplished by most homeowners using just a few common household tools. Use this guide to learn how to remove a bathroom sink.

Bathroom Sink Removal:

  1. Turn the water off. Turn off the water before you begin working on the sink. Look behind the sink for shut-off valves and turn the valves until water stops running from the faucet. If you can't find shut-off valves, you will need to turn off the water supply at the water main, the valve that the controls the water supply to your entire home.

  2. Disconnect water supply lines. Disconnect the water supply lines from the sink with an adjustable wrench. The water supply lines are flexible tubes that connect the sink to your water pipes. Use the adjustable wrench to loosen the collars found at the ends of the supply lines.

  3. Remove the P-trap. Remove the P-trap, the U-shaped part of the drain pipe. Use pliers to loosen the nuts holding the trap in place and remove it. Place a small bucket under your work area to catch any water remaining in the trap.

  4. Remove clips. Loosen and remove any clips fastening the sink to a countertop. Clips that can't be pulled off can be broken off, but be careful not to damage the countertop. If you are removing a pedestal sink, you may need to use an adjustable wrench to remove the bolts that fasten the sink to the wall.

  5. Cut away the sealant. Cut away the sealant found between the edge of the bathroom sink and the counter. Use a utility knife to loosen the sealant. Sealant may also have been used between the back of a pedestal sink and the wall and will need to be removed there as well.

  6. Remove the sink. Remove the sink by pulling it straight up if it's a countertop sink or away from the wall if it's a wall-mounted sink. If the sink resists being removed, you may not have removed all mounting clips or bolts.

  7. Disconnect the backsplash. Use a putty knife or pry bar to disconnect the backsplash from the wall if you will be removing the entire counter top. Some bathroom sinks are built into a countertop, and you will need to remove the entire counter if you want to replace that kind of sink. Once the backsplash is loosened, you should be able to lift off the countertop with the assistance of a friend or family member.

Warning:

  1. Sink removal may be more difficult if the sink is old and the pipes and hardware have rusted. Be prepared to replace old pipes and patch holes in the wall if needed after removal.

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