Bathtub-Drain9 min read

How to Replace a Tub Drain and Overflow: A Step-by-Step Guide

E
Editorial Team
2025-11-27
How to Replace a Tub Drain and Overflow: A Step-by-Step Guide

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How to Replace a Tub Drain and Overflow: A Step-by-Step Guide

Replacing a tub drain and overflow can seem like a daunting task, but with the right tools and a clear set of instructions, it's a project that most DIYers can handle. This step-by-step guide will walk you through the entire process, from removing the old drain to installing the new one, ensuring a watertight seal and a properly functioning tub. Let's dive in!

<br><br><a href="https://www.amazon.com/s?k=tub drain and overflow&sort=relevancerank&tag=bestbathroomrenovation-20">[Explore Top Rated tub drain and overflow on Amazon.]</a><br><br>## Step 1: Gather Your Tools and Materials

Before you even think about touching that old tub drain and overflow, make sure you have everything you need. Running to the hardware store mid-project is a pain! Here's a list of essentials:

  • New tub drain and overflow kit
  • Flathead screwdriver
  • Slip joint pliers
  • Channel-lock pliers
  • Putty knife or old screwdriver
  • Plumber's putty
  • Clean rags
  • Penetrating oil (like WD-40)
  • Optional: Tub drain removal tool

Having all these items at your fingertips will streamline the process and minimize frustration. Trust me, preparation is key!

<br><br><a href="https://www.amazon.com/s?k=tub drain and overflow&sort=relevancerank&tag=bestbathroomrenovation-20">[Explore Top Rated tub drain and overflow on Amazon.]</a><br><br>## Step 2: Prepare the Area

Protect your tub's finish! Spread a drop cloth or old towels inside the tub to prevent scratches or damage from dropped tools. Then, make sure you have good lighting. A well-lit workspace makes it easier to see what you're doing.

Turn off the water supply to the bathroom to avoid any accidental floods. It's always better to be safe than sorry.

<br><br><a href="https://www.amazon.com/s?k=tub drain and overflow&sort=relevancerank&tag=bestbathroomrenovation-20">[Explore Top Rated tub drain and overflow on Amazon.]</a><br><br>## Step 3: Remove the Old Overflow Plate

The overflow plate is usually located near the top of the tub. Use a flathead screwdriver to remove the screws holding it in place. Sometimes the screws can be stubborn, so be careful not to strip them.

Once the screws are out, gently pull the overflow plate away from the tub. There may be a connecting linkage attached to the drain stopper, so take note of how it's connected before disconnecting it.

<br><br><a href="https://www.amazon.com/s?k=tub drain and overflow&sort=relevancerank&tag=bestbathroomrenovation-20">[Explore Top Rated tub drain and overflow on Amazon.]</a><br><br>## Step 4: Remove the Old Drain Stopper

There are a few different types of tub drain stoppers, so the removal method will vary. Here are a few common types and how to remove them:

  • Lift-and-Turn: These usually have a small screw on the stopper itself. Loosen the screw and lift out the stopper.
  • Pop-Up: These often connect to the overflow linkage. Once you've removed the overflow plate, you should be able to access and remove the stopper.
  • Toe-Touch: These usually thread into the drain body. Simply twist counterclockwise to unscrew and remove the stopper.

If you're having trouble identifying the type of stopper, a quick online search with "how to remove [describe your stopper]" should provide helpful visuals.

<br><br><a href="https://www.amazon.com/s?k=tub drain and overflow&sort=relevancerank&tag=bestbathroomrenovation-20">[Explore Top Rated tub drain and overflow on Amazon.]</a><br><br>## Step 5: Loosen the Old Drain Flange

This is often the trickiest part of the job. The drain flange is the metal ring that sits flush with the bottom of the tub. Over time, it can become corroded and difficult to remove.

First, try using a putty knife or old screwdriver to carefully break the seal of the old plumber's putty around the flange. Be gentle to avoid scratching the tub.

Next, you'll need to use a tool to grip the inside of the drain flange and turn it counterclockwise. Here are a few options:

  • Tub Drain Removal Tool: This is the ideal tool, designed specifically for removing tub drains. It provides a good grip and prevents damage to the drain or tub.
  • Slip Joint Pliers: You can try using slip joint pliers, but be careful not to crush or deform the drain.
  • Needle-Nose Pliers: Insert the tips of the needle-nose pliers into the drain opening and try to turn the flange. This can be tricky, but it might work in a pinch.

If the flange is really stuck, try spraying some penetrating oil (like WD-40) around the edge and letting it soak for a few minutes. This can help loosen the corrosion.

Keep working the flange back and forth until you can unscrew it completely. It might take some time and effort, but don't give up!

<br><br><a href="https://www.amazon.com/s?k=tub drain and overflow&sort=relevancerank&tag=bestbathroomrenovation-20">[Explore Top Rated tub drain and overflow on Amazon.]</a><br><br>## Step 6: Remove the Old Drain Body

Once you've removed the drain flange, you should be able to access the drain body from underneath the tub. This is the pipe that connects the drain to the plumbing system.

Use a large pair of channel-lock pliers to loosen the nut that holds the drain body in place. Again, penetrating oil can be helpful if the nut is corroded.

Once the nut is loose, you should be able to push the drain body up and out of the tub. Be prepared for some water and grime to spill out, so have a bucket and rags handy.

<br><br><a href="https://www.amazon.com/s?k=tub drain and overflow&sort=relevancerank&tag=bestbathroomrenovation-20">[Explore Top Rated tub drain and overflow on Amazon.]</a><br><br>## Step 7: Clean the Drain Opening

Now that the old drain is removed, it's important to clean the drain opening thoroughly. Remove any old putty, debris, or corrosion. A clean surface will ensure a good seal for the new drain.

Use a putty knife or scraper to remove any remaining putty. Then, wipe the area clean with a rag. If there's any stubborn residue, you can use a mild abrasive cleaner.

<br><br><a href="https://www.amazon.com/s?k=tub drain and overflow&sort=relevancerank&tag=bestbathroomrenovation-20">[Explore Top Rated tub drain and overflow on Amazon.]</a><br><br>## Step 8: Install the New Drain Body

Now for the fun part - installing the new tub drain and overflow! Begin by applying a generous rope of plumber's putty around the underside of the new drain flange. Make sure the putty is evenly distributed to create a watertight seal.

Insert the new drain body into the drain opening from underneath the tub until the flange sits flush against the tub surface.

From underneath, tighten the nut that holds the drain body in place. Be careful not to overtighten, as this could damage the tub or the drain. Snug is good.

<br><br><a href="https://www.amazon.com/s?k=tub drain and overflow&sort=relevancerank&tag=bestbathroomrenovation-20">[Explore Top Rated tub drain and overflow on Amazon.]</a><br><br>## Step 9: Install the New Overflow Plate and Linkage

Attach the new overflow plate to the tub using the screws provided in the kit. Make sure the linkage is properly connected to the drain stopper mechanism.

The linkage connects the overflow plate to the stopper assembly. This allows you to open and close the drain by manipulating the overflow lever.

<br><br><a href="https://www.amazon.com/s?k=tub drain and overflow&sort=relevancerank&tag=bestbathroomrenovation-20">[Explore Top Rated tub drain and overflow on Amazon.]</a><br><br>## Step 10: Test for Leaks

Before you celebrate your handiwork, it's important to test for leaks. Plug the drain and fill the tub with a few inches of water. Check around the drain flange and overflow plate for any signs of leakage.

Also, check the connections underneath the tub for any drips or leaks. If you find any leaks, tighten the connections or reapply plumber's putty as needed.

If there are no leaks, congratulations! You've successfully replaced your tub drain and overflow.

<br><br><a href="https://www.amazon.com/s?k=tub drain and overflow&sort=relevancerank&tag=bestbathroomrenovation-20">[Explore Top Rated tub drain and overflow on Amazon.]</a><br><br>## Tools for the Job

Having the right tools makes this job much easier. Let's talk about a couple of key items.

Oatey 16089 Plumber's Putty

This is a must-have for creating a watertight seal around the drain flange. Oatey plumber's putty is known for its durability and ease of use. Its non-hardening formula means it stays pliable, allowing for easy adjustments and preventing cracks over time. Plus, it's resistant to shrinking and cracking, ensuring a long-lasting seal. I recommend this one or similar brands you find at your favorite stores.

BrassCraft Drain Removal Tool

Struggling with a stubborn drain flange? The BrassCraft Drain Removal Tool is a lifesaver. Its multi-spline design provides a secure grip, preventing slippage and damage to the drain. The heavy-duty construction ensures it can withstand the force needed to remove even the most corroded drains. And the universal fit makes it compatible with most standard tub drains. This tool greatly simplifies drain removal.

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  • Stripped Screws? If you strip the screws on the overflow plate, try using a rubber band or steel wool between the screwdriver and the screw head for better grip.
  • Stubborn Drain? If the drain is really stuck, try using a heat gun to warm the flange. This can help loosen the corrosion.
  • How do I prevent future corrosion? Regularly clean your tub drain with a mild cleaner to prevent buildup and corrosion.
  • What if my new drain doesn't fit? Ensure you're purchasing the correct size drain for your tub. Measure the drain opening before buying a replacement.
  • Should I hire a plumber? If you're uncomfortable with any part of this process, or if you encounter unexpected plumbing issues, it's always best to call a professional plumber.

<br><br><a href="https://www.amazon.com/s?k=tub drain and overflow&sort=relevancerank&tag=bestbathroomrenovation-20">[Explore Top Rated tub drain and overflow on Amazon.]</a><br><br>## Encouraging Conclusion

Replacing a tub drain and overflow can seem like a challenging project, but with this step-by-step guide, you can tackle it yourself and save money on professional plumbing services. Remember to take your time, follow the instructions carefully, and don't be afraid to ask for help if you need it. With a little patience and effort, you'll have a properly functioning tub drain in no time. Good luck, and happy DIY-ing! <br><a href="https://www.amazon.com/s?k=tub drain and overflow&sort=price-asc-rank&tag=bestbathroomrenovation-20">[Shop Budget-Friendly tub drain and overflow on Amazon.]</a><br>

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