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How to Install a New Toilet for a Bathroom Upgrade

When upgrading a bathroom, you may want to install a new toilet, or more accurately termed, a water closet. New toilets come in a variety of styles, use very little water and are easy to install.

More in Plumbing

  • Time

    1 hour

  • Price Range

    $100 - $250

  • Difficulty

    Easy to Moderate

Highlights:

Step 1: Install the Escutcheon Plate and Valve

Slide the escutcheon plate over the water pipe.

Slide the compression nut of the valve over the water pipe, with the threads facing you. Then slide the ferule over the pipe.

Wrap Teflon tape around the threads of the valve and hand-tighten it into place. Use a wrench to hold the valve steady, and use another wrench to finish tightening the nut.

Step 2: Install the Toilet Bolts and Wax Seal

Note: The new toilet may already have the tank attached to the bowl. If not, attach the bowl to the floor before attaching the tank; that way there won't be as much weight to deal with.

Place the new toilet bolts in the flange with the bolts pointing up.

Place a wax seal on the underside of the toilet.

Slide the bowl over the bolts, and twist it to set the wax seal. Sit on the toilet to help set the wax seal.

Place the plastic cap retainers and washers over the bolts, then tighten nuts over the bolts to hold the bowl in place. Place the plastic caps over the bolts once they are tightened.

Step 3: Attach the Tank to the Bowl

Set the tank seal in place. Place the tank on the bowl.

Drop the tank bolts through the appropriate holes.

Tighten the bolts until the tank doesn't wobble. Be sure not to overtighten the bolts or the porcelain may crack. When working alone, attach the bowl to the floor before installing the tank.

Connect the toilet supply tube to the tank.

Attach the seat using the seat bolts provided.

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