How to Remove Bathroom Vanity Plumbing How to Remove Bathroom Vanity Plumbing

What You'll Need
Adjustable wrench
Pliers
5-gallon bucket
Rags

When replacing old corroded plumbing or installing a new vanity, you may have to remove the plumbing to your existing bathroom vanity. One reason could be that the old corroded plumbing needs to be replaced. Another reason could be that the entire vanity is being replaced, along with the plumbing. This can be achieved with a few simple steps without the help from, or a bill from, a professional plumber. If you are comfortable with basic pipe maintenance, you can remove the plumbing from a bathroom vanity.

Step 1: Turning Off the Water

You will need to turn off the water source to the sink of the bathroom. This can be achieved by rotating the handles of the shutoff valve counter-clockwise. (Remember “lefty loosey; righty tighty.”)  They will be just below the water faucets of the sink. You may need to use a wrench or pliers to get a stronger grip and turn the handles. If you are still having trouble, you will need to turn off the main water supply. Be aware that there will still be excess water left in the pipes when you do so. However, if the water source isn’t cut off at the main or at the sink, you’ll have a continuous flow of water.

Step 2: Release Water Pressure

When you shut off the water source there will still be leftover pressure, as said before.  You can release this pressure by simply turning both faucet handles at the tap just as you would if you wanted to wash your hands.  This step will prevent a watery mess since the pressure will cause water to spray once the first bolt is released.  With the cold water line, it won’t be a big deal.  However, excess pressure from the hot water line can cause a severe burn.

Step 3:  Detach the Water Lines from the Vanity

Both the hot and cold water lines will be attached to the vanity by a bolt. Use your adjustable wrench and turn the bolt where it connects to the faucet.

Step 4:  Remove Water Lines

Both the hot and cold water valves will be connected to a water line by a bolt. The cold water valve will be connected to the cold water line as the hot valve will connect to the hot water line by the same kind of bolt. Unscrew these bolts and set the lines aside.

Step 5:  Remove Sink Pipe

With a bucket placed underneath the drain pipe, unscrew the section of pipe that connects to the bottom of the sink. This will be at the bottom of the floor of the vanity. This pipe will have an ‘S’ section and that section will have water remaining. Care must be taken not to spill the water on the floor, otherwise you’ll have more steps than you need that will include moping. When the pipe is connection free, put it inside the bucket. 

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