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How to Fix a Leaky Bathtub Faucet: Simple Steps for a Quick Repair

May 9, 2025 | Bathrooms

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A leaking bathtub faucet might just seem like an annoying drip, but it can lead to costly water bills and even water damage over time. Taking immediate action is crucial, as ignoring that slow flow can waste gallons of water while wearing out the surrounding fixture. Neglecting the issue can end up turning a small leak into extensive water damage and health risks.

If you’re a DMV homeowner ready to tackle this manageable home repair, this guide will walk you through how to fix a leaky bathtub faucet by diagnosing the problem, finding the right tools, and repairing the leak. There’s no need to wait!

gray steel faucet

Photo by Dan Watson on Unsplash

Understanding and Preparing for the Repair

Before you start unscrewing anything, it’s important to know what’s causing the problem and how to approach it. Following these preparatory steps ensures a smoother repair process.

Identify the Cause of the Leak

Most leaks in bathtub faucets happen because of a worn-out washer, which is the most common cause, a damaged cartridge, or a failing seal that compromises the watertight connection. These small components inside the fixture create a tight seal, preventing water from escaping. Over time, wear-and-tear damages these parts, leading to leaks.

If your bathtub has separate handles for hot and cold water, one or both may be the culprit. Faulty faucet handles, stems, or valves can also allow water to drip. The stem plays a crucial role in the overall functionality of the faucet, and a faulty stem can be a significant cause of leaks.

Know Your Faucet Type

Bathtub faucets generally fall into two main types:

  • Single-Handle Faucets control both hot and cold water with one lever.
  • Two-Handle Faucets have separate controls for hot and cold water.

Identifying the type helps you know which parts you may need to replace. It is crucial to understand the type of faucet before attempting any repairs.

Gather the Necessary Tools and Parts

Save yourself a trip to the hardware store by assembling your tools and supplies before starting. Here’s what you’ll likely need:

  • Screwdrivers
  • Adjustable wrench
  • Pliers
  • Replacement parts like washers, cartridges, or seals
  • Plumber’s tape
  • Towel to catch excess water
  • Bowl or bucket to hold loose parts

Turn Off the Water Supply

Before proceeding with the repair, turn off the water supply to prevent further damage or a messy flood. You can usually find the shut-off valve near the water meter or under the sink. Verify it’s off by turning on the faucet handles to fully drain any leftover water.

Diagnosing and Repairing the Leak

Now that you’re prepared, it’s time to locate the specific issue and fix a leaking bathtub faucet promptly. Follow these steps to make sure everything goes smoothly.

Step 1: Remove the Faucet Handle(s)

Unscrew the faucet handles to access the valve. Use a screwdriver to carefully work on removing the knob or cap covering the screws. Place all loose screws in a small bowl to avoid losing them.

Step 2: Identify the Faulty Component

Once the handle is removed, check the washer, cartridge, or valve seat for damage. Look for signs like cracks, mineral buildup, or worn edges. Ray ID markings or visible corrosion can also be signs of failure. Correctly identifying the faulty component is crucial to avoid making a costly mistake.

Step 3: Replace Worn-Out Parts

  • For Washers: Pull out the damaged washer and replace it with a matching size from your replacement parts.
  • For Cartridges or Seals: If the cartridge or seal has worn out, remove it using pliers and install the new one carefully, aligning it as per the instructions.
  • Tighten connections with a wrench, but avoid over-tightening as it can damage components.

Step 4: Clean the Valve and Faucet

Inspect and clean the valve seat inside the fixture to remove any mineral deposits that may affect performance. A simple brushing might prevent future issues.

Step 5: Reassemble the Faucet

Once you’re done replacing faulty parts, reassemble the handle and other components. Ensure everything is fitted properly to avoid gaps or loose connections.

Step 6: Test the Repair

Turn the main water supply back on. Slowly test both hot water and cold water to ensure the leak has stopped. Check for proper pressure while verifying there are no drips or problems.

Top Bathtub Faucets and Brands

Choosing the right bathtub faucet can transform your bathroom with both style and functionality. Here are six top bathtub faucets and brands, along with links to their respective websites for purchase:

  1. Delta Faucet Trinsic Single-Handle Tub Filler: A sleek design with modern aesthetics, this faucet combines durability with elegance. Purchase here
  2. Moen Align Floor Mount Tub Filler Faucet: Featuring clean lines and a minimalist design, this faucet adds a touch of sophistication to any bathroom. Purchase here
  3. KOHLER Purist Floor-Mount Bath Filler: Known for its smooth, contemporary design, the Kohler Purist boasts reliable performance and refined style. Purchase here
  4. Grohe Essence Floor Mounted Tub Filler: With its elegant design and cutting-edge technology, this faucet offers both luxury and efficiency. Purchase here
  5. American Standard Spectra Deck Mount Tub Faucet: Designed for both convenience and style, this faucet delivers excellent performance with a modern touch. Purchase here
  6. Hansgrohe AXOR Starck Freestanding Tub Faucet: An ideal choice for those looking for a high-end, contemporary option, this faucet is a testament to fine German engineering. Purchase here

Each of these faucets offers unique features and aesthetics to help you create the perfect bathing experience. Be sure to explore the links provided to learn more and make your selection.

Wrapping Up Your Repair

You’ve fixed your leaky bathtub faucet and just saved yourself from higher water bills or future plumbing issues. But don’t stop there! There may still be small adjustments or steps to ensure long-term functionality.

Double-Check for Leaks

Inspect for any drips or signs of water escaping after the repair. If you notice further issues, you might need to review the washers, valves, or seals.

Tighten Loose Connections

Tighten any areas where water might still be seeping. This ensures a more robust watertight seal.

Maintain Your Fixture

Regularly inspect your bathtub faucet for signs of wear. Quick fixes can prevent bigger problems down the line. For those who want peace of mind, use plumber’s tape when reassembling for extra assurance.

Many people tend to underestimate the seriousness of a leaking faucet, often delaying necessary repairs, which can lead to larger issues down the line, including significant water damage and increased utility costs.

Consult a Professional if Necessary

If the leaking persists or repairing it yourself feels overwhelming, there’s no shame in seeking professional help. A licensed plumber can quickly diagnose and fix the problem.

At G.A. Eberly Plumbing & Heating, our DMV’s premier plumbing contractors are always ready to help with fast, affordable, and professional service. Call us at 301-856-6900 or email service@gaeberly.com for assistance.

Why Fixing It Quickly Matters

Fixing a leaking bathtub faucet is more than just home maintenance. It can:

  • Save thousands of gallons of water annually.
  • Prevent water damage to surrounding areas.
  • Reduce utility bills while extending the faucet’s lifespan.

Addressing plumbing issues before they escalate is key to keeping your home running smoothly. With clear steps and access to the right tools, tackling a leaky faucet can be a quick and rewarding DIY project.

Need help or want a professional touch? Don’t hesitate! Call our experienced DMV plumbers at G.A. Eberly Plumbing & Heating, where fixing your plumbing issues the right way has been our tradition since 1909.

Completing the repair promptly is crucial to avoid further damage. Human intervention is often necessary to ensure the leak is fixed correctly. Additionally, ensuring the security of the repair process is essential to maintain the integrity of your plumbing system.

Schedule a plumbing service today and experience hassle-free repair done by experts!

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