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How to Install a Toilet Like a Pro: A Step-by-Step Guide

Installing a toilet is a relatively simple DIY project that can save you money on plumbing costs. With the right tools and materials, you can have your new toilet up and running in no time.

Here's a breakdown of the process with clear headers for easy navigation:

1. Removing the Old Toilet

Turning Off the Water Supply

The first step is to turn off the water supply to the toilet. Locate the shut-off valve behind the toilet and turn it clockwise until it stops.

Flushing and Disconnecting the Water Supply Line

Flush the toilet to remove any remaining water in the tank. Then, use a wrench to disconnect the water supply line from the bottom of the tank.

Removing the Toilet Bowl

Remove the nuts holding the toilet bowl to the floor using a wrench. These are typically located on either side of the base of the toilet bowl.

Lifting and Disposing of the Old Toilet

Carefully lift the toilet bowl off the floor and dispose of it properly. Be sure to wear gloves and avoid inhaling any dust or debris.

2. Inspecting the Toilet Flange

Checking for Damage

The toilet flange is the metal or plastic ring that is mounted on the floor and connects the toilet to the drain pipe. Make sure the flange is in good condition and is not cracked or damaged.

Replacing the Flange (if necessary)

If the flange is damaged, it will need to be replaced before you can install the new toilet. You can find replacement flanges at most hardware stores.

3. Installing a New Toilet Seal

A wax ring is used to seal the connection between the toilet bowl and the flange. Place the wax ring on the flange, making sure that the hole in the center of the ring is aligned with the drain hole in the flange.

4. Positioning and Bolting the New Toilet

Carefully Lifting and Placing the Bowl

Carefully lift the new toilet bowl and place it on the flange, lining up the holes in the bowl with the closet bolts.

Tightening the Closet Bolts

Insert the closet bolts through the holes in the bowl and the flange. Thread the nuts onto the bolts and tighten them snugly using a wrench.

5. Attaching the Tank

Aligning the Holes and Tank Bolts

Set the tank on the bowl, aligning the holes in the tank with the tank bolts. Insert the tank bolts through the holes and tighten the nuts using a wrench.

Connecting the Water Supply Line

Connect the water supply line to the tank using a wrench. Make sure the connection is tight to prevent leaks.

6. Installing the Toilet Seat and Lid

Attach the toilet seat and lid to the bowl according to the manufacturer's instructions.


By following these steps, you can successfully install a new toilet yourself and save money on plumbing costs. Remember to use the correct tools and materials, be careful not to damage the toilet or the flange, and double-check for leaks before completing the installation. With a little effort, you can have your new toilet up and running in no time!


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