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How To Replace A Toilet (Step-By-Step Guide)

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Replacing a toilet might seem like a daunting task, but with the right tools and guidance, it can be a manageable DIY project for homeowners. Whether you’re upgrading to a more efficient model or simply replacing a damaged toilet, this guide will walk you through the process from start to finish.

We’ll cover:

  • All of the steps involved in how to replace a toilet
  • The different parts of a toilet
  • When to leave it to a professional

Understanding the Basics of Toilet Replacement

toilet installation

Before jumping into the project, it’s important to familiarize yourself with the basic components of a toilet and the necessary tools for the job.

Key Components of a Toilet

  • Tank: The upper part of the toilet where water is stored for flushing.
  • Bowl: The part of the toilet that holds waste and connects to the plumbing.
  • Wax Ring: A seal that prevents leaks between the toilet base and the flange.
  • Flange: A fitting on the floor that connects the toilet to the drainpipe.
  • Supply Line: The pipe bringing water into the toilet.

Tools and Materials You’ll Need

Before getting started, it’s a good idea to make sure you have all of the supplies that you need.

  • Adjustable wrench
  • Sponge and bucket
  • Putty knife
  • Tape measure
  • Level
  • Screwdriver
  • New toilet (including tank, bowl, seat, and wax ring)
  • Toilet bolts and washers
  • Towels or rags
  • Plumber’s tape
  • Safety glasses and gloves

A 5 Step Guide to Replacing a Toilet

toilet seat install

Ready to install a toilet like a professional? Follow all of these steps for perfect results, every time.

Step 1: Prepare the Workspace

Before you begin, ensure you have a clean and clear workspace:

  • Lay Down Towels or Rags: Protect your bathroom floor with towels or rags to catch any spills.
  • Gather Tools and Materials: Having everything within arm’s reach will streamline the process.

Step 2: Remove the Old Toilet

  • Turn Off the Water Supply: Locate the shut-off valve behind the toilet and turn it clockwise to stop the water flow. Flush the toilet to drain the tank and bowl of most water. Use a sponge and bucket to absorb any remaining water in the tank and bowl.
  • Disconnect the Water Supply Line: Use an adjustable wrench to loosen the nut connecting the water supply line to the tank. Be prepared to catch any remaining water in the supply line with a bucket.
  • Detach the Toilet from the Floor: Pry off the bolt caps at the base of the toilet using a screwdriver. Use a wrench to unscrew the nuts from the floor bolts. If the bolts are corroded, you may need to cut them off with a hacksaw.
  • Remove the Old Toilet: Rock the toilet gently side-to-side to break the seal of the old wax ring. Lift the toilet straight up and set it aside on a towel or cardboard.

Step 3: Install the New Toilet

  • Inspect the Flange: Check the flange for damage. If it’s cracked or broken, it will need to be replaced before installing the new toilet.
  • Install New Bolts: Place new toilet bolts upright in the flange slots, ensuring they are evenly spaced.
  • Prepare the Wax Ring: Warm the wax ring slightly by holding it in your hands, then position it around the flange. Alternatively, you can place it on the toilet’s outlet ring.
  • Position the New Toilet: Carefully lower the toilet bowl over the flange, aligning the holes at the base with the bolts. Press down firmly to set the wax ring.
  • Secure the Toilet: Place washers and nuts onto the bolts and tighten them evenly, alternating sides to maintain even pressure. Avoid over-tightening to prevent cracking the porcelain.
  • Install the Tank: If your new toilet model comes with a separate tank, position the rubber gasket over the flush valve opening and align the tank with the bowl. Insert the tank bolts through the holes and tighten the nuts evenly.

Step 4: Connect the Water Supply

  • Reconnect the Supply Line: Attach the water supply line to the fill valve on the bottom of the tank. Use plumber’s tape on the threads to ensure a tight fit, then secure it with your wrench.
  • Turn On the Water: Open the shut-off valve by turning it counterclockwise and allow the tank to fill. Check for any leaks around the connections.

Step 5: Test the New Toilet

  • Flush the Toilet: Perform a test flush to ensure everything is functioning correctly. Check for leaks around the base and connections.
  • Check for Level and Stability: Use a level to ensure the toilet is sitting evenly. If the toilet wobbles, insert toilet shims under the base and trim the excess.

Tips for a Smooth Installation

  • Choose the Right Wax Ring: Standard wax rings are sufficient for most installations, but if the flange is recessed, consider using an extra-thick wax ring.
  • Consider a Flange Extender: If the flange is set deeply below the floor level, a flange extender kit can help create a better seal.
  • Handle the Toilet with Care: Toilets are heavy and fragile; lifting one improperly can cause serious injury. Consider having a second person help with positioning and lifting.

Benefits of Hiring a Professional

wrench and toilet

While replacing a toilet can be a rewarding DIY project, it’s worth considering the advantages of hiring a professional plumber for the task. A professional brings expertise and experience, ensuring the toilet is installed correctly and efficiently. They can quickly identify and address any unforeseen plumbing issues that may arise during installation, saving you from potential water damage or costly repairs in the future.

Hiring a professional also offers the peace of mind that comes with knowing the work is compliant with local codes and standards. Additionally, a skilled plumber can provide insights and recommendations on choosing the right toilet model for your specific needs, helping you achieve greater efficiency and comfort in your home.

Leave The Toilet Installation To Us!

Replacing a toilet can save you the cost of hiring a plumber and provide you with a sense of accomplishment. Be sure to regularly check for leaks and maintain your toilet for optimal performance.

If you’ve found this guide helpful, consider sharing it with friends or leaving a comment about your experience. And if you’re looking for professional advice or installation services, don’t hesitate to reach out to the local plumbing experts at Genz-Ryan! We’re here to help with all of your plumbing needs.

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