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Step-by-Step: How to Successfully Install Your New Toilet Bowl

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Installing a new toilet might seem daunting, but with the right tools and guidance from Blair Plumbing, the experts in New Orleans plumbing, it can be a straightforward and satisfying project. This blog post provides a detailed, step-by-step guide that will help you install your toilet correctly, ensuring it functions efficiently and remains leak-free. Let’s get started!

Preparing for Installation

Turning Off the Water: The first step in any toilet installation is to turn off the water supply to prevent any messy surprises. This simple action can save you from unnecessary water damage.

Removing the Old Toilet: Begin by flushing the toilet to drain the water from the bowl and the tank. Use a sponge or a vacuum to remove any remaining water. Next, disconnect the water supply line using a wrench—be prepared with towels or rags to catch any dripping water. Remove the tank first, usually secured by bolts, and then proceed to unscrew the bowl from the floor. This might involve cutting through old caulk and rocking the toilet gently to break the wax seal.

Setting the Stage for Your New Toilet

Checking and Preparing the Flange: The flange is the mounting base for your toilet, and it’s crucial that it’s not cracked or damaged. If necessary, replace it to ensure a stable and secure foundation for your new toilet.

Placing the New Wax Seal: Carefully position the new wax seal over the flange. This seal is critical as it prevents leaks and odors from escaping. Ensure it’s perfectly aligned and intact before setting the toilet on top.

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Installing the New Toilet

Positioning the Toilet: Lower the new toilet bowl onto the flange, making sure the holes in the base align with the bolts. Press down firmly to set the wax seal. Attach and tighten the bolts, alternating sides to apply even pressure, which helps prevent the base from cracking.

Reconnecting and Testing: Attach the tank if you have a two-piece toilet, connect the water supply line, and open the valve to let water flow into the toilet. Check for leaks around the base and the supply line. Once you’re sure there are no leaks, flush the toilet several times to ensure everything is working correctly.

Final Touches

Adding the Seat and Lid: Once your new toilet is securely installed, the next step is to add the seat and lid. These components are typically not pre-attached, allowing you to choose the specific style and functionality that best suits your needs. Carefully align the seat with the toilet bowl’s rim and secure it using the provided bolts and nuts. Tighten them enough to ensure stability but avoid over-tightening, which can crack the porcelain.

After the seat is installed, check the entire assembly one last time to ensure everything is stable and level. This is crucial, as an uneven toilet can lead to improper seating of the wax seal, potentially causing leaks. Make any necessary adjustments to ensure long-term functionality and comfort.


Installing a toilet doesn’t have to be a plumbing nightmare. By following these steps, you can successfully install your toilet with confidence. Remember, if you encounter any complications or prefer a professional touch, the Plumbers in New Orleans at Blair Plumbing are just a call away. With years of experience and a commitment to quality, Blair Plumbing ensures that your New Orleans plumbing needs are met with expertise and professionalism. For any plumbing project, big or small, Blair Plumbing is your go-to expert in the area.

This guide aims to empower homeowners with the knowledge to tackle basic plumbing tasks while highlighting the availability of professional Plumbers in New Orleans for more complex needs.

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