How To Install Tub Drain

Installing a tub drain may seem like a daunting task, but with the right tools and a little bit of know-how, it can be a relatively straightforward process. Whether you’re a seasoned DIY enthusiast or a complete novice, following these comprehensive instructions will guide you through the steps necessary to successfully install your new tub drain.

Before you begin, gather all the essential materials you’ll need: a new tub drain, a drain wrench, a plumber’s putty or silicone sealant, and a utility knife. Additionally, you may need a flashlight or headlamp to illuminate the work area and a bucket to catch any water that may leak during the installation process. With these tools in hand, you’re ready to embark on the journey of installing your new tub drain.

The first step is to remove the old drain. Using the drain wrench, loosen the drain cover and remove it. Next, unscrew the drain body from the tub. Be careful not to drop any parts down the drain. Clean the threads on the tub and the drain body using a damp cloth to ensure a secure fit for the new drain. Apply a thin layer of plumber’s putty or silicone sealant around the base of the new drain body. Carefully align the drain body with the tub opening and hand-tighten it into place. Using the drain wrench, tighten the drain body further, taking care not to overtighten and damage the tub or the drain.

Preparing the Tub Drain Assembly

Securing the Drain Assembly

Before beginning the installation process, it is crucial to secure the drain assembly. This involves assembling the various components, including the drain flange, washer, and drain body, as per the manufacturer’s instructions. Ensure that all connections are tight and secure to prevent any leaks or issues later on.

Positioning the Drain Assembly

Next, position the drain assembly in the designated opening on the tub. Use a sealant or plumber’s putty around the drain flange to create a watertight seal and prevent leaks. Press the assembly firmly into place and secure it using the locking nut or bolts provided. Tighten them gradually and evenly to avoid over-tightening.

Installing the Stopper

Once the drain assembly is securely installed, install the stopper. This typically involves inserting the stopper into the drain body from the top of the tub. Ensure that the stopper fits snugly and operates smoothly without any obstructions. Test the stopper by filling the tub with a small amount of water and checking for any leaks or improper drainage.

Removing the Old Drain Assembly

Step 1: Gather Your Tools

Before you begin, make sure you have the necessary tools for the job: a flathead screwdriver, a Phillips head screwdriver, a pair of pliers, and a bucket or bowl.

Step 2: Remove the Drain Stopper

Most drain stoppers are held in place by a screw or a locking mechanism. Use the flathead screwdriver to remove the screw or disengage the locking mechanism. Once the screw is removed, pull the drain stopper up and out of the drain.

Step 3: Remove the Drain Grate

The drain grate is typically secured by screws or clips. Use the Phillips head screwdriver to remove the screws or unclip the clips. Once the screws are removed, carefully lift the drain grate up and out of the drain opening.

Step 4: Remove the Overflow Plate

If your tub has an overflow plate, it will need to be removed before you can access the drain assembly. The overflow plate is usually held in place by a single screw. Use the flathead screwdriver to remove the screw and then pry the overflow plate off the tub.

Step 5: Remove the Tub Drain Assembly

Once the overflow plate is removed, you will have access to the drain assembly. The drain assembly is typically held in place by a slip nut. Use the pliers to loosen the slip nut and then pull the drain assembly out of the drain opening.

Installing the New Tub Drain Assembly

To complete the tub drain installation, you’ll need to follow these steps:

Preparing the Tub Drain Area

Start by removing the old tub drain assembly if there is one in place. Clean the drain opening and surrounding area thoroughly to remove any debris or old sealant.

Apply a bead of plumber’s putty around the base of the new drain assembly. Place the drain assembly in the drain opening and press it firmly into the putty.

Tighten the drain assembly by rotating it clockwise until it is snug against the tub. Be careful not to overtighten, as this can damage the tub.

Connecting the Drain Pipe

Attach the drain pipe to the drain assembly by hand-tightening the slip nut. Use a wrench to tighten the nut further, but again, avoid overtightening.

Insert the rubber washer into the overflow drain hole and attach the overflow plate to the tub.

Tighten the overflow plate screws until they are snug. Do not overtighten, as this can crack the tub.

Installing the Overflow Cover

Place the overflow cover over the overflow drain hole and press it into place. It should fit snugly and prevent water from leaking out.

Caulk around the base of the drain assembly and overflow plate with silicone sealant to prevent any leaks. Allow the sealant to dry completely before using the tub.

Congratulations! You’ve successfully installed a new tub drain assembly.

Connecting the Overflow Tube

Connecting the overflow tube is a crucial step in installing your tub drain. It prevents water from overflowing the tub and flooding your bathroom. Follow these detailed steps to connect the overflow tube properly:

1. Position the Overflow Tube

Insert the overflow tube into the overflow hole on the tub. Ensure it is fully inserted and fits snugly.

2. Align the Gasket

Locate the gasket that came with the overflow tube. Place it over the end of the tube that will be inserted into the drain assembly. The gasket creates a watertight seal.

3. Connect to the Tub Drain

Apply a thin layer of plumber’s putty around the opening of the tub drain where the overflow tube will connect. Insert the gasket-covered end of the overflow tube into the drain opening.

4. Tighten the Connection

Use a wrench to carefully tighten the nut that secures the overflow tube to the tub drain. Do not overtighten, as this could damage the components. Follow the manufacturer’s instructions for the recommended tightening torque.

Once the overflow tube is connected, it is essential to test its functionality. Run water into the tub and check for any leaks around the connection. If you notice any leaks, tighten the nut slightly or adjust the position of the overflow tube until the connection is watertight.

Sealing the Drain Assembly

5. Thoroughly Seal the Drain Assembly

To ensure a watertight seal and prevent leaks, it is crucial to thoroughly seal the drain assembly. Here’s a detailed step-by-step guide:

a. Apply Plumber’s Putty

Roll out a rope of plumber’s putty and shape it into a ring that’s slightly larger than the drain flange. Place the putty ring around the base of the drain flange, making sure it adheres to both the flange and the tub surface.

b. Place the Drain Gasket

Take the rubber drain gasket and place it over the drain flange, ensuring it fits snugly around the putty ring. The gasket acts as an additional barrier to prevent water from seeping through.

c. Secure the Drain Assembly

Position the drain assembly onto the drain flange, aligning the drain hole and overflow with the corresponding holes on the flange. Tighten the drain assembly nuts by hand until they’re snug, but avoid overtightening.

d. Seal the Screws

Apply a small amount of silicone caulk around the base of each drain assembly screw. This extra layer of sealant provides additional protection against water leakage.

e. Inspect and Retighten

Once the drain assembly is installed, fill the tub with water and check for any leaks. If you notice any water seeping, retighten the drain assembly nuts and check for any cracks or damage to the seals.

Helpful Tips for Sealing:

– Use high-quality plumber’s putty and rubber gaskets to ensure durability and prevent leaks.
– Avoid using too much putty, as it can interfere with the drain assembly’s movement.
– Tighten the drain assembly nuts evenly to prevent uneven distribution of pressure.
– If you’re unsure about any steps, consult a professional plumber for guidance.

Testing the Drain Assembly

After assembling the drainpipe, overflow assembly, and tub drain, it’s essential to test the assembly for leaks and proper function.

Step 6: Thorough Drain Assembly Test

Follow these comprehensive steps to ensure a fully functional drain assembly:

  1. Gather Materials: Prepare a bucket or large container, pliers, and a flashlight.
  2. Fill Tub: Gradually fill the bathtub with water to several inches above the overflow drain.
  3. Inspect Overflow: Check the overflow drain for any signs of leakage or water seepage.
  4. Plug Drain: Close the tub drain stopper and fill the tub to the maximum capacity.
  5. Inspect Leaking: Wait for several minutes and carefully inspect the drainpipe, tub drain, and any joints for any leaks or drips.
  6. Unplug and Drain: Unplug the drain and observe the rate at which the water drains. It should drain quickly and efficiently.

Additional Tips:

Checking for Hidden Leaks

If you suspect a hidden leak, turn off the water supply and use a flashlight to inspect the drainpipe, joints, and tub drain from below. Any water droplets or moisture accumulation indicate a potential leak.

Adjusting Drain Stopper

If the drain stopper does not seal tightly or drains too slowly, you may need to adjust the linkage or replace the stopper. Consult the manufacturer’s instructions for specific adjustment procedures.

By thoroughly testing the drain assembly, you can ensure a leak-free and properly functioning bathroom tub drain system.

Gasket and Washer Size

Ensure the gasket and washer are the correct size for your tub drain. An incorrect size can cause leaks or prevent the drain from sealing properly.

Cross-Threaded Drain Body

If the drain body is cross-threaded during installation, it can cause leaks or damage to the bathtub. Thread the drain body carefully and make sure it is secure without overtightening.

Loose Tub Drain Assembly

A loose tub drain assembly can cause leaks or allow water to seep out around the base of the drain. Tighten the drain assembly securely, using a wrench or pliers if necessary.

Clogged Drain Hole

A clogged drain hole can prevent the drain from functioning properly and lead to water buildup. Use a drain snake or auger to clear any debris or obstructions from the drain hole.

Damaged Tub Drain Stopper

A damaged tub drain stopper can prevent the drain from closing properly, leading to leaks or slow drainage. Replace the drain stopper with a new one if it is cracked, worn, or missing parts.

Corroded Drain Components

Over time, tub drain components can become corroded due to exposure to water and cleaning chemicals. This corrosion can weaken the components and cause leaks. Replace corroded components with new ones to ensure the drain functions properly.

Incorrect Drain Slope

The drain should have a slight slope towards the drain hole to allow water to flow freely. If the drain is installed with an incorrect slope, water may pool in the tub or drain slowly.

Safety Precautions for Tub Drain Installation

Gather Necessary Tools and Materials

Before beginning, ensure you have all the necessary tools and materials. This includes a new drain kit, adjustable wrench, putty knife, flashlight, and safety glasses.

Turn Off Water Supply

Locate the water supply shut-off valves under the sink or behind the tub. Close both valves to stop the flow of water. Open the tub faucet briefly to release any remaining water.

Protect Your Eyes and Skin

Wear safety glasses to protect your eyes from debris and splashback. Use gloves to prevent skin irritation from harsh chemicals.

Remove Old Drain

Place a bucket underneath the drain to catch any water or debris. Use an adjustable wrench to loosen the drain flange nut and remove the old drain.

Clean Drain Area

Use a putty knife to scrape off any old sealant or debris from the drain area. Ensure the surface is clean and smooth to create a good seal.

Prepare New Drain

Apply a thin bead of plumber’s putty around the base of the new drain flange. Place the drain flange over the drain hole and press down firmly to seal it.

Install Trip Lever and Drain Pipe

Insert the trip lever into the drain mechanism and connect it to the drain pipe. Secure the drain pipe to the drain flange using a rubber washer and drain nut.

Tighten Drain Components

Use an adjustable wrench to tighten the drain flange nut and trip lever nut securely. Avoid overtightening to prevent damage to the components.

Test the Drain

Turn on the water supply and allow the tub to fill. Check for any leaks around the drain and make adjustments as necessary.

Clean Up

Remove any debris or excess plumber’s putty and dispose of it properly. Clean the drain to remove any remaining dust or dirt.

Maintenance and Care of the Drain Assembly

Maintaining the Drain

Regular maintenance will keep your tub drain functioning properly and prevent clogs. Remove any hair, soap scum, or debris from the drain strainer after each use. Use a drain cleaner or baking soda and vinegar solution monthly to dissolve any buildup.

Checking for Leaks

Periodically check the drain assembly for leaks. Fill the tub with water and observe the drain for any drips or moisture. If you notice any leaks, tighten the slip nut or replace the O-ring.

Cleaning the Drain Plug

Clean the drain plug regularly to remove soap scum and debris. Remove the plug from the drain and soak it in a mixture of hot water and dish soap. Use a brush to scrub away any stubborn deposits.

Tightening the Slip Nut

If the drain assembly loosens over time, tighten the slip nut. Use a wrench or channel-lock pliers to grip the nut and turn it clockwise until it’s snug. Do not overtighten, as this can damage the nut or the drain assembly.

Replacing the O-Ring

If the drain continues to leak after tightening the slip nut, the O-ring may be damaged. Remove the drain assembly and replace the O-ring with a new one. Lubricate the O-ring with Vaseline before reinstalling the drain.

Removing Clogs

If the drain becomes clogged, try using a drain snake or plunger to remove the obstruction. Avoid using chemical drain cleaners, as they can damage the drain assembly.

Using Drain Cleaner

If other methods fail to clear the clog, use a commercial drain cleaner. Follow the manufacturer’s instructions carefully. Avoid using drain cleaners too frequently, as they can be corrosive.

Preventing Hair Clogs

To prevent hair clogs, install a hair strainer in the drain. These strainers catch hair before it can enter the drainpipe. Clean the strainer regularly to remove any accumulated hair.

Calling a Plumber

If you experience persistent leaks or clogs, contact a licensed plumber. They have the expertise and tools to diagnose and repair the problem effectively.

Hiring a Professional for Tub Drain Installation

If you’re not comfortable tackling the tub drain installation yourself, hiring a professional plumber is the best option. Here’s a breakdown of the steps involved:

1. Research and Find a Reputable Plumber:

Look for plumbers with experience in tub drain installations and positive reviews. Ask for referrals from friends or neighbors or check online directories.

2. Get an Estimate:

Contact the plumber and provide details about your installation needs. Get a written estimate outlining the cost of materials, labor, and any potential unforeseen expenses.

3. Schedule the Installation:

Once you’re satisfied with the estimate, schedule a time for the installation. Ensure you’re available to give the plumber access to your bathroom.

4. Prepare the Bathroom:

Clear the bathroom area where the installation will take place and remove any obstacles. Provide the plumber with a clear workspace.

5. Professional Tub Drain Installation:

The plumber will inspect the existing drainpipe, remove the old drain, and install the new one. They’ll ensure the drain is properly sealed and connected to the plumbing system.

6. Testing and Inspection:

After installation, the plumber will test the drain to ensure it’s working correctly. They’ll also inspect the area for any leaks or other issues.

7. Cleanup:

The plumber will clean up the work area, leaving your bathroom as they found it.

8. Warranty and Guarantee:

Most professional plumbers offer warranties on their work. Ensure you understand the terms of the warranty and keep the documentation for future reference.

9. Payment:

Once the installation is complete and you’re satisfied, pay the plumber according to the agreed-upon estimate.

10. Tips for Hiring a Professional:

Tip Description
Verify Licensing and Insurance Ensure the plumber is licensed and insured to protect yourself from any liabilities.
Check References Ask for references from previous clients to gauge their experience and quality of work.
Consider Experience Look for plumbers with specific experience in tub drain installations.
Read Reviews Check online reviews to gather insights from other customers’ experiences.
Get Multiple Estimates Obtain quotes from several plumbers to compare costs and services offered.
Ask Questions Don’t hesitate to clarify any concerns or ask for detailed explanations during the consultation.

How to Install a Tub Drain

Installing a tub drain is a straightforward task that can be completed in a few simple steps. By following these instructions, you can ensure that your tub drain is properly installed and functioning correctly.

  1. Gather your materials. You will need a new tub drain, a wrench, a screwdriver, and a putty knife.
  2. Remove the old tub drain. Use the wrench to loosen the nuts that hold the drain in place. Once the nuts are loose, you can pull the drain out of the tub.
  3. Clean the drain hole. Use the putty knife to remove any old sealant or debris from the drain hole.
  4. Apply a bead of sealant around the drain hole. This will help to create a watertight seal and prevent leaks.
  5. Insert the new tub drain. Line up the drain with the hole and push it into place. Tighten the nuts until they are snug.
  6. Test the drain. Turn on the water and allow the tub to fill. Check for any leaks around the drain.

People Also Ask

How do I know if my tub drain needs to be replaced?

There are a few signs that indicate that your tub drain may need to be replaced. These include:

  • Leaks around the drain
  • Slow draining
  • Clogs that are difficult to remove
  • A damaged or missing drain stopper

Can I install a tub drain myself?

Yes, installing a tub drain is a relatively simple task that can be completed in a few minutes. However, if you are not comfortable working with plumbing, it is best to hire a qualified plumber to do the job.

How much does it cost to replace a tub drain?

The cost to replace a tub drain will vary depending on the type of drain you choose and the labor costs in your area. However, you can expect to pay between $50 and $150 for the entire project.