Tap Transformation: Changing Your Sink Mixer Tap

By Brian on April 1, 2025

When it comes to making DIY plumbing upgrades, changing sink mixer tap is one task that brings both form and function to your kitchen or bathroom without requiring a professional plumber.

Here are the essential steps for changing sink mixer tap:

Turn off the water supply – Always start by ensuring no water flow.
Unscrew the old tap – Use essential tools like a basin wrench.
Install the new mixer tap – Follow the manufacturer’s instructions for a secure fit.

Changing a tap can be like giving your space a mini facelift, rejuvenating your kitchen or bathroom’s look. Whether it’s an outdated design or a persistent leak, switching to a new mixer tap improves utility and style seamlessly. For the DIY enthusiast, this task is perfectly manageable with the right tools and a bit of patience. Plus, mastering this skill can save both time and money, giving you control over your home’s plumbing upgrades.

Homeowners and business owners, particularly in Northern California, value the benefits of maintaining plumbing fixtures themselves. While a DIY approach can be gratifying, knowing when to seek help is vital. A task that seems simple at first can become complicated, especially when dealing with older plumbing systems.

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Tools and Materials Needed

To successfully change your sink mixer tap, you’ll need a few essential tools and materials. These items ensure a smooth process and help avoid common pitfalls.

Basin Wrench

A basin wrench is a must-have for this task. This tool is designed specifically to reach tight spaces under the sink. Its long handle and swiveling jaw make it ideal for loosening and tightening nuts that are hard to reach. With a basin wrench, you can easily maneuver around pipes and other obstructions.

Grub Screw

The grub screw, also known as a set screw, plays a crucial role in securing the tap handle to the valve. It’s a small screw, typically located on the side or bottom of the tap handle. You’ll need a suitable screwdriver or an Allen key to loosen or tighten this screw when removing or installing the tap handle.

Hex Nuts

Hex nuts are used to secure the tap to the sink. They are found underneath the sink, holding the tap in place. An adjustable wrench or basin wrench can help you loosen and tighten these nuts. Ensure they are tightly secured to prevent any wobbling or leaks.

Additional Items

Adjustable Wrench: Useful for various nuts and bolts.
Pliers: Handy for gripping and twisting supply hoses.
Plumber’s Putty: Helps seal the base of the tap to prevent leaks.

By having these tools and materials ready, you’ll be well-prepared to tackle the task of changing your sink mixer tap. This preparation ensures a more efficient and stress-free experience, allowing you to focus on the task at hand without unnecessary interruptions.

Step-by-Step Guide to Change Sink Mixer Tap

Changing your sink mixer tap can seem like a big job, but with the right steps, it’s quite manageable. Let’s break it down into simple tasks.

Disconnect Taps

1. Turn Off the Water Supply

Before starting, make sure to turn off the water supply. Locate the shut-off valves under your sink and twist them clockwise to stop the water flow. This step is crucial to avoid any water mess.

2. Disconnect the Supply Hoses

Next, place a bucket under the sink to catch any leftover water. Use pliers to loosen the supply hoses attached to the bottom of the tap. Carefully disconnect them, allowing any remaining water to drain into the bucket.

Remove Mixer Tap

3. Loosen the Mounting Nuts

With the water supply hoses removed, it’s time to tackle the mounting nuts. These nuts are located underneath the sink, holding the tap in place. Use a basin wrench to reach and loosen these nuts.

4. Lift Out the Old Tap

Once the nuts are off, gently lift the old tap out of the sink. If it’s stuck, try wiggling it back and forth to loosen any old sealant or residue.

Install New Tap

5. Clean the Mounting Surface

Before placing the new tap, clean the area around the mounting holes. Remove any old plumber’s putty or residue to ensure a smooth surface for the new installation.

6. Position the New Tap

Place the new tap into the mounting hole. Make sure it sits correctly and aligns with the sink’s design.

7. Secure the Tap

Under the sink, reattach the mounting nuts to secure the tap in place. Start by hand-tightening the nuts, then use the basin wrench to ensure they are snug. Avoid over-tightening to prevent damage.

8. Reconnect the Supply Hoses

Attach the supply hoses to the new tap. Make sure the connections are tight and secure. Use pliers if necessary, but be cautious not to over-tighten.

9. Turn On the Water Supply

Finally, turn the water supply back on by twisting the shut-off valves counterclockwise. Check for leaks by running the tap and inspecting the connections under the sink.

With these steps, you’ve successfully changed your sink mixer tap. Remember to check for leaks over the next few days to ensure everything remains secure. If you encounter any issues, consider consulting a professional plumber for assistance.

Common Challenges and Solutions

Changing a sink mixer tap can be a straightforward task, but some challenges might pop up along the way. Let’s tackle the most common ones and how to solve them.

Squeezing Under the Cabinet

One of the biggest problems in changing a sink mixer tap is working in the cramped space under the sink. This area is often tight, making it difficult to maneuver tools and your body.

Solutions:

Prepare Your Space: Clear out any items stored under the sink to give yourself more room to work.
Use the Right Tools: A basin wrench is essential here. Its long handle and swiveling jaw make it perfect for reaching tight spots.
Get Comfortable: Consider using a cushion or knee pads to make the process more comfortable, especially if you’ll be under there for a while.

Fitting Issues

Not all taps fit every sink, and sometimes the new tap just doesn’t seem to align or fit as expected.

Solutions:

Check Specifications: Before buying a new tap, measure the hole size and check the specifications to ensure compatibility with your sink.
Adjustments: If the new tap doesn’t fit perfectly, you might need to adjust the plumbing slightly. Loosen the fittings, reposition the tap, and retighten.
Seek Help: If fitting issues persist, it might be wise to consult with a professional plumber to avoid damaging your sink or tap.

Mess

Replacing a tap can get messy, especially with water spills and old plumber’s putty.

Solutions:

Be Prepared: Keep a bucket and towels handy to catch and clean up any water spills quickly.
Seal and Clean: Use plumber’s putty to seal around the new tap to prevent future leaks. Also, clean any old residue before installing the new tap for a neat finish.
Stay Organized: Keep your tools and parts organized to avoid losing anything and to make the process smoother.

By preparing for these common challenges, you can make the process of changing your sink mixer tap smoother and more efficient. If you feel stuck or unsure, reaching out to a professional can save time and prevent mistakes.

Frequently Asked Questions about Changing Sink Mixer Taps

Is it easy to replace a mixer tap?

Replacing a sink mixer tap can be a manageable DIY project if you’re comfortable with basic tools and have some patience. Most people can complete the task in about 30–60 minutes. You’ll need a few essential tools like a basin wrench, adjustable wrench, and a screwdriver.

However, the difficulty can vary. If you run into unexpected issues like corroded fittings or tight spaces, it might get tricky. If you’re not confident, hiring a licensed plumber can ensure a hassle-free installation.

Will any mixer tap fit my sink?

Not every mixer tap will fit every sink. Before purchasing a new tap, it’s crucial to check the specifications of your sink and tap.

Measure the Hole Size: Ensure the hole in your sink matches the size and type of the tap you’re considering.
Check Compatibility: Look at the tap’s specifications to ensure it will work with your existing plumbing setup.

If you’re unsure about the fit, consult with a plumbing expert or bring your sink’s measurements when shopping for a new tap.

Do you need a plumber to install a mixer tap?

While many people can handle a mixer tap installation themselves, there are situations where calling a professional is wise. If your plumbing is old or if you encounter complex issues like persistent leaks or fitting problems, a licensed plumber can provide the expertise needed.

Professional Recommendations: A plumber can recommend the best tap options for your specific needs and ensure everything is installed correctly.
Avoiding Mistakes: Professional installation can prevent common DIY errors that might lead to bigger problems down the road.

If you prefer peace of mind and want to ensure everything is done right the first time, hiring a plumber is a good choice.

Conclusion

When it comes to changing your sink mixer tap, choosing the right plumbing service can make all the difference. At Go Pro Plumbing, we pride ourselves on delivering top-notch customer service and ensuring your plumbing needs are met with precision and care. Our team is dedicated to making your experience as smooth and hassle-free as possible.

Why Choose Go Pro Plumbing?

Outstanding Customer Service: We believe in going above and beyond for our clients. Your satisfaction is our priority, and we work hard to ensure you’re happy with our service.
Same-Day Service: Plumbing issues can arise at any moment, and delays can lead to bigger problems. That’s why we offer same-day service to address your needs promptly and efficiently.
Expertise You Can Trust: With years of experience in the plumbing industry, our team has the skills and knowledge to handle any tap installation or plumbing challenge you might face.

Whether you’re tackling a DIY project or need professional assistance, Go Pro Plumbing is here to help. We understand that changing a sink mixer tap can be daunting, but with our support, the process becomes straightforward and stress-free.

For more information on our services or to schedule an appointment, visit our Faucets & Sinks service page. Let us help you transform your kitchen with a seamless tap installation experience.