Steps to Replace the Faucet on Your Bathtub

If you’ve noticed that your bathtub faucet is leaking or not working properly, it may be time to replace it. Changing the faucet on your bathtub can seem like a daunting task, but with the right tools and a little know-how, it’s a project that you can tackle yourself. In this article, we’ll walk you through the step-by-step process of changing the faucet on your bathtub.

Step 1: Turn off the Water Supply

The first step in replacing your bathtub faucet is to turn off the water supply. Look for the shut-off valves located under the sink or behind the access panel of your bathtub. Turn the valve clockwise until it is fully closed to stop the flow of water.

Step 2: Remove the Old Faucet

With the water supply turned off, you can now remove the old faucet. Start by removing any decorative covers or handles from the faucet. Use a screwdriver or an adjustable wrench to disconnect the faucet from the water supply lines. Once the faucet is disconnected, use a wrench to loosen and remove the mounting nuts holding the faucet in place. You may need to use penetrating oil if the nuts are difficult to loosen.

Removing old faucet

Before you begin removing the old faucet, make sure to turn off the water supply to your bathtub. This can usually be done by shutting off the water valves located near the bathtub or at the main water supply for your home.

Once the water supply is turned off, use a wrench to loosen and remove the nuts holding the faucet in place. These nuts are typically located on the underside of the bathtub and may require some effort to loosen.

After removing the nuts, carefully lift the old faucet assembly out of the bathtub. Be cautious as there may be some residual water in the pipes that could spill.

Inspect the area where the old faucet was located to ensure there are no leftover debris or caulking. Clean the area thoroughly to prepare for the installation of the new faucet.

It is also a good idea to take this opportunity to inspect the plumbing connections and pipes for any signs of damage or wear. If you notice any issues, it may be necessary to fix or replace these components before installing the new faucet.

With the old faucet removed and the area cleaned, you are now ready to proceed with the installation of the new faucet.

Preparing the bathtub

Before you can change the faucet on your bathtub, it’s important to properly prepare the area to ensure a smooth installation process. Follow these steps to prepare the bathtub:

1. Turn off the water supply: Locate the main water shut-off valve for your home and turn it off. This will prevent any water from flowing into the bathtub during the faucet replacement process.

2. Drain the bathtub: Ensure that the bathtub is completely drained before starting the installation. You can do this by opening the drain plug and allowing any remaining water to flow out.

3. Clear the area: Remove any items, such as shampoo bottles or soap dispensers, from around the bathtub. This will provide you with enough space to work and prevent any damage to these items during the faucet replacement.

4. Protect the bathtub surface: Place a towel or a cloth over the bathtub to protect its surface from scratches or any accidental damage that may occur during the installation process.

5. Inspect the existing faucet: Take a close look at the existing faucet to determine how it is attached to the bathtub. Look for any screws or bolts that need to be loosened or removed before you can take off the old faucet.

By following these steps to prepare the bathtub, you will be ready to proceed with the faucet replacement process and ensure a successful installation.

Shutting off the water supply

Before replacing a faucet on your bathtub, it is essential to shut off the water supply to avoid any potential leaks or damage. Follow these steps to safely turn off the water:

Step 1:Locate the main water supply valve for your house. This valve is usually located in the basement or utility room.
Step 2:Turn the valve clockwise (to the right) to shut off the water supply. You may need to use pliers or a wrench, depending on the type of valve.
Step 3:Once the water supply is completely shut off, open the bathtub faucet to drain any remaining water in the pipes.

It is crucial to shut off the water supply to prevent any accidental flooding or damage while working on your bathtub faucet. Always double-check that the water is completely turned off before proceeding with the replacement process.

Disconnecting the water lines

Before beginning any work on your bathtub faucet, it’s important to turn off the water supply to avoid any accidents or water damage. Locate the shut-off valves under the sink or near the bathtub. Turn the handles clockwise until they are fully closed.

Use a wrench or pliers to disconnect the water lines from the faucet. There will be two water supply lines, one for hot water and one for cold water. Place a bucket or towel underneath the connections to catch any remaining water.

Hold the base of the water supply line with one hand and use your other hand to loosen the nut connecting it to the faucet. Turn the nut counterclockwise until it is loose enough to slide off the end of the faucet. Repeat this process for the other water supply line.

Once the nuts are loosened, gently pull the water supply lines away from the faucet, taking care not to damage them. Set the lines aside and make sure the area is dry before proceeding with the rest of the installation process.

Note: If the water supply lines are old or brittle, it may be time to replace them with new ones before installing the new faucet.

Detaching the old faucet

Before you can install a new faucet, you’ll need to detach the old one. Follow these steps to safely remove the old faucet:

1. Turn off the water supply. Locate the shut-off valves for your bathtub and turn them clockwise to shut off the water flow. If you can’t find the shut-off valves, you may need to shut off the main water supply to your home.

2. Drain any remaining water. To avoid a mess, open the bathtub’s faucet and let any remaining water drain out. Place a towel or bucket underneath to catch any water that comes out.

3. Remove the decorative cap or handle. Depending on the type of faucet you have, you may need to remove a decorative cap or handle first. Look for a small screw or clip holding it in place and remove it using a screwdriver or pliers.

4. Unscrew the faucet trim plate. You should now see a trim plate covering the actual valve. Use a screwdriver to unscrew the trim plate and set it aside.

5. Disconnect the water supply lines. Locate the water supply lines connected to the faucet and use an adjustable wrench to disconnect them. Place a bucket underneath to catch any water that may still be inside the lines.

6. Remove the old faucet. Once the water supply lines are disconnected, you can unscrew the old faucet from the bathtub. Depending on the faucet type, you may need to use a wrench or pliers to loosen and remove it.

With the old faucet fully detached, you’re now ready to install the new faucet. Make sure to read the manufacturer’s instructions for the specific faucet model you purchased before proceeding.

Removing the handle

Before you can change the faucet on your bathtub, you’ll need to remove the handle first. Follow these steps to remove the handle:

  1. Turn off the water supply to the bathtub by closing the shut-off valves.
  2. Locate the small decorative cap on the handle. Use a small sharp object, like a flathead screwdriver, to pry off the cap.
  3. Underneath the cap, you’ll find a small screw that secures the handle to the faucet stem. Use a screwdriver to loosen and remove the screw.
  4. Once the screw is removed, the handle should be free to pull off the stem. Hold onto the base of the handle and gently pull it straight off.

Tools needed for removing the handle:
Flathead screwdriverScrewdriver

Once you’ve successfully removed the handle, you can continue with the next steps to replace the faucet on your bathtub.

Unscrewing the escutcheon plate

To begin removing the old faucet on your bathtub, you’ll need to unscrew the escutcheon plate. The escutcheon plate is the decorative cover that surrounds the faucet handle and helps secure it to the bathtub wall.

Here are the steps to unscrew the escutcheon plate:

  1. Locate the screws securing the escutcheon plate to the wall. These screws are usually hidden beneath decorative caps or plugs.
  2. Use a flathead screwdriver or an Allen wrench (depending on the type of screws) to remove the caps or plugs.
  3. Once you’ve exposed the screws, use a wrench or screwdriver to unscrew them counterclockwise. It’s a good idea to place a cloth or towel over the screwdriver or wrench to prevent scratching the surface of the escutcheon plate.
  4. After removing the screws, gently pry the escutcheon plate away from the wall. It may be necessary to use a putty knife or a similar tool to help loosen any adhesive or caulking holding the plate in place.
  5. Once the escutcheon plate is removed, you’ll have access to the valve assembly, which includes the old faucet.

Remember to turn off the water supply before starting any work on your bathtub faucet. This will help prevent any accidental leaks or water damage. It’s also a good idea to consult the manufacturer’s instructions or seek professional assistance if you’re not familiar with plumbing work.

Disconnecting the cartridge or valve

Before you begin disconnecting the cartridge or valve of your bathtub faucet, make sure to turn off the water supply. This can usually be done by closing the water shut-off valves located near the faucet.

Once the water supply is turned off, you can start disconnecting the cartridge or valve. The cartridge or valve is usually located behind the faucet handle. To access it, you may need to remove any decorative caps or covers on the faucet handle.

Once you have access to the cartridge or valve, use a suitable tool, such as pliers or a wrench, to loosen and remove the retaining nut. This will allow you to pull the cartridge or valve out of the faucet assembly.

Be cautious when removing the cartridge or valve, as it may be covered in mineral deposits or other debris. Use a soft cloth or brush to clean any buildup before continuing with the installation of the new faucet.

After the old cartridge or valve is removed, inspect the faucet assembly for any signs of damage or wear. If necessary, replace any worn or damaged components before installing the new faucet.

Once you have disconnected the cartridge or valve, you can proceed with installing the new faucet by following the manufacturer’s instructions.

Remember to turn the water supply back on after completing the installation to test the new faucet for leaks. If you notice any leaks or issues, double-check the connections and make any necessary adjustments.

Disconnecting the cartridge or valve is a crucial step in changing the faucet on your bathtub. Take your time and follow the instructions carefully to ensure a successful installation.

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Ryan Pietrzak

Ryan Pietrzak, a licensed plumber with 12+ years of experience, is the trusted expert behind Plumbing.Academy. With a wealth of practical knowledge, Ryan guides you through plumbing challenges, making informed decisions easier. His reputable advice, rooted in real-world expertise, empowers both DIY enthusiasts and seasoned plumbers.