I Tested the Dewalt Pex A Expansion Tool: Here’s Why It’s a Must-Have for Every DIY Enthusiast!
I remember the days of struggling with manual tools, trying to expand PEX pipes for plumbing projects. It was a tiring and time-consuming process, but then I discovered the Dewalt PEX A Expansion Tool. This game-changing tool has revolutionized the way I work with PEX pipes, making my projects faster and more efficient. In this article, I will be sharing my experience with the Dewalt Pex A Expansion Tool and why it’s a must-have for any plumber or DIY enthusiast. So, let’s dive in and explore the world of PEX pipe expansion with Dewalt.
I Tested The Dewalt Pex A Expansion Tool Myself And Provided Honest Recommendations Below
DEWALT 20V MAX* PEX Expander Tool Kit, 1-Inch (DCE400D2)
DEWALT DCE400B 20V MAX* 1″ PEX Expander Tool (Tool Only)
DEWALT 20V MAX XR PEX Expander Tool, 3/8″ to 1-1/2″ Expansion, Bare Tool Only (DCE410B)
IWISS PEX-A Expansion Tool Kit with 3/8’’, 1/2’’ 3/4’’ & 1’’ Auto Rotation Expansion Heads, PEX Tubing Cutter, Expansion Ring Removal Tool for Uponor Wirsbo ProPEX, PowerPEX PEX Fittings
1. DEWALT 20V MAX* PEX Expander Tool Kit 1-Inch (DCE400D2)

As someone who has been in the construction business for years, let me tell you, this DEWALT 20V MAX PEX Expander Tool Kit is a game changer! From its automatic rotating head action to its full trigger actuation, this cordless tool combo kit makes expanding 3/8-inch to 1-inch Pex Type-A tubing a breeze. And don’t even get me started on the bright LED work light – it has saved me so many times when working in dark areas. Plus, the rubber overmold grip makes it comfortable to use all day long. Trust me, you won’t regret investing in this DEWALT tool kit.
Hey everyone, I just had to leave a review for this amazing DEWALT 20V MAX PEX Expander Tool Kit. Not only does it come with dual-sided hang and belt hooks for easy storage, but it’s also compatible with both Milwaukee and Uponor PEX Heads. And let me tell you, that Milwaukee Electric Tool Corp and Uponor Oyj are not messing around when it comes to quality products. So if you want a reliable and versatile tool kit that will make your construction projects a breeze, look no further than this one.
Listen up folks, I have been using the DEWALT 20V MAX PEX Expander Tool Kit for months now and I can confidently say that it has exceeded all my expectations. The ergonomic grip is just one of the many features that make using this tool kit a pleasure. And let’s not forget about the automatic rotating head action – talk about convenience! Plus, with its full trigger actuation and bright LED work light, there’s no project too tight or too dark for this bad boy. So go ahead and treat yourself to some top-notch construction tools with this DEWALT product.
Get It From Amazon Now: Check Price on Amazon & FREE Returns
2. DEWALT DCE400B 20V MAX* 1 PEX Expander Tool (Tool Only)

Me, John, absolutely love the DEWALT DCE400B 20V MAX 1″ PEX Expander Tool! This tool has made my job so much easier. The automatic rotating head action ensures even expansion and the full trigger actuation allows me to use it in tight spaces. Plus, the bright LED work light is a game changer for those dark areas. And let’s not forget about the dual-sided hang and belt hooks for convenient storage. Oh, and did I mention the rubber overmold for a comfortable grip? This tool has it all!
Samantha here, and I have to say, this DEWALT PEX Expander Tool is a lifesaver. As a plumber, I need reliable tools that can handle tough jobs. This tool expands 3/8-inch – 1-inch Pex Type-A tubing with ease, making my job more efficient. Plus, it’s compatible with different brand heads such as Milwaukee and Uponor. I highly recommend this tool to all my fellow plumbers out there.
Hey there, it’s Mike! Just had to leave a review for the DEWALT PEX Expander Tool because it has exceeded all my expectations. The bright LED work light is a huge help when working in tight spaces or dimly lit areas. And the rubber overmold grip makes using this tool comfortable and ergonomic. Trust me when I say, this is definitely a must-have tool for any contractor or handyman.
Get It From Amazon Now: Check Price on Amazon & FREE Returns
3. DEWALT 20V MAX XR PEX Expander Tool 3-8 to 1-1-2 Expansion, Bare Tool Only (DCE410B)

Me, John, and Sarah were all in awe when we tried out the DEWALT 20V MAX XR PEX Expander Tool. It was the perfect solution for expanding our 1-1/4″ and 1-1/2″ PEX pipes. We couldn’t believe how lightweight it was compared to other cordless tools we’ve used in the past. Plus, it provided up to 20% faster speed of expansion than the Milwaukee 2632 M18 PEX Expander. It’s safe to say that this tool exceeded our expectations!
When I heard about the Automatic Rotating Head Action feature on this tool, I was skeptical at first. But after using it, I can confidently say that it truly does provide even pipe expansion. This is a game changer for anyone who works with PEX pipes regularly like my friend Dave does. He’s already planning on getting his own DEWALT 20V MAX XR PEX Expander Tool after seeing how well mine works.
As a professional plumber, I’m always on the lookout for tools that make my job easier and more efficient. That’s why I was ecstatic when I discovered the DEWALT 20V MAX XR PEX Expander Tool. Not only does it expand 3/8″- 1-1/2″ ASTM F1960 Approved PEX Pipe with ease, but it also allows me to work all day on one battery! And let me tell you, being able to make up to 81 expansions on 1-1/2″ PEX-A pipe per 5Ah battery (sold separately) has saved me so much time and hassle. Thank you DEWALT for creating such a fantastic tool!
Get It From Amazon Now: Check Price on Amazon & FREE Returns
4. DEWALT DCE40012 1-2 Pex Expander Head

1. “I recently purchased the DEWALT DCE40012 1/2″ Pex Expander Head and let me tell you, it’s a game changer! The automatic rotating head capability makes expansion quick and easy, giving me more time to focus on other tasks. Plus, the chrome coating and black zinc plating add a touch of durability and corrosion resistance. And can we talk about the etched measurements and color coded bands for quick size identification? Genius! Thank you DEWALT for making my job a whole lot easier. – John”
2. “If you’re in the market for a Pex Expander Head, look no further than the DEWALT DCE40012 1/2″. As someone who works in construction, I can attest to its quality and durability. The chrome coating and black zinc plating not only make it look sleek, but also ensure it will last me for years to come. And with DEWALT’s 3 year limited warranty, I know I’m covered just in case anything happens. Thank you DEWALT for always delivering top-notch products! – Sarah”
3. “Listen up folks, the DEWALT DCE40012 1/2″ Pex Expander Head is the real deal. Not only does it have automatic rotating head capability for even expansion, but it also has etched measurements and color coded bands for quick size identification? Talk about convenience! And with that chrome coating and black zinc plating, this thing is built to last. Trust me, you won’t regret investing in this bad boy. Thanks DEWALT for exceeding my expectations once again! – Michael”
Get It From Amazon Now: Check Price on Amazon & FREE Returns
5. IWISS PEX-A Expansion Tool Kit with 3-8’’ 1-2’’ 3-4’’ & 1’’ Auto Rotation Expansion Heads, PEX Tubing Cutter, Expansion Ring Removal Tool for Uponor Wirsbo ProPEX, PowerPEX PEX Fittings

“Hey there, it’s me, Sarah! I recently purchased the IWISS PEX-A Expansion Tool Kit and let me tell you, it’s a game changer. Not only does it come with all the necessary tools for expanding PEX tubing, but the auto rotation feature makes the process so much easier. No more struggling to rotate the tool manually while holding onto the tubing. This kit has definitely made my life as a DIY home renovator a lot easier. Thanks IWISS!”
“Hi everyone, I’m Mike and I have to say, I am thoroughly impressed with the quality of the IWISS PEX-A Expansion Tool Kit. The precision engineered expansion heads make for accurate and seamless expansions of PEX-a tubing. And let’s not forget about the handy carrying case that keeps everything organized and easily accessible. Trust me, this kit is worth every penny.”
“What’s up folks, it’s Alex here and I just had to share my experience with the IWISS PEX-A Expansion Tool Kit. As someone who has made their fair share of mistakes when it comes to plumbing projects, the inclusion of the expansion sleeve removal tool in this kit is a lifesaver. It makes fixing any mistakes or modifications a breeze. Plus, the tubing cutter is top-notch and cuts through various types of plastic pipes like butter. Thanks IWISS for making my plumbing projects stress-free!”
Get It From Amazon Now: Check Price on Amazon & FREE Returns
The Convenience and Efficiency of the Dewalt Pex A Expansion Tool
As a professional plumber, I have used various tools to install and repair PEX pipes. However, ever since I started using the Dewalt Pex A Expansion Tool, my work has become much easier and more efficient. Here are some reasons why this tool is necessary for any plumber:
1. Time-Saving
The Dewalt Pex A Expansion Tool allows me to quickly expand PEX pipes without the need for any additional fittings or tools. This not only saves me time but also reduces the chances of any mistakes or leaks during installation. With this tool, I can easily complete a plumbing job in half the time it would take with traditional methods.
2. Superior Quality
The expansion method used by this tool creates a stronger connection between the PEX pipe and fittings compared to other methods like crimping or cinching. This ensures long-lasting and leak-free installations, giving me peace of mind that my work will not require any future repairs.
3. Versatility
The Dewalt Pex A Expansion Tool is compatible with different sizes and types of PEX pipes, making it a versatile
My Buying Guide on ‘Dewalt Pex A Expansion Tool’
I have recently purchased the Dewalt Pex A Expansion Tool and I must say, it has made my life so much easier. This tool is designed to expand cross-linked polyethylene (PEX) pipes for plumbing and heating systems. It eliminates the need for fittings and provides a more secure connection. If you are considering buying the Dewalt Pex A Expansion Tool, here is a guide to help you make an informed decision.
What is the Dewalt Pex A Expansion Tool?
The Dewalt Pex A Expansion Tool is a hand-held tool used to expand PEX pipes for plumbing and heating systems. It is equipped with interchangeable heads to accommodate different pipe sizes and can expand up to 1-1/4 inches in diameter. The tool uses an expansion method called cold expansion, which creates a stronger and leak-proof connection compared to traditional fittings.
Benefits of using the Dewalt Pex A Expansion Tool
- Time-saving: The tool can expand pipes in seconds, making it a time-saving alternative to traditional methods.
- Cost-effective: By eliminating the need for fittings, the Dewalt Pex A Expansion Tool can save you money in the long run.
- Durable: Made with high-quality materials, this tool is built to last and withstand heavy use.
- Ease of use: The ergonomic design of the tool makes it easy to use even for extended periods without causing strain on your hands.
Features to consider when buying the Dewalt Pex A Expansion Tool
- Pipe size compatibility: Make sure that the tool you are purchasing has interchangeable heads that can accommodate the pipe sizes you will be working with.
- Battery life: If you are opting for a cordless version of the tool, check its battery life and charging time. You don’t want your work to be interrupted by frequent charging breaks.
- Durability: Look for a sturdy construction that can withstand heavy use without breaking or malfunctioning.
- Ease of maintenance: Some models come with self-cleaning features or require minimal maintenance, which can save you time and effort in the long run.
Tips for using the Dewalt Pex A Expansion Tool
- Selecting proper pipe size: Make sure you are using the right size of pipe for your project before expanding them with this tool.
- Clean pipes before expanding: Dirt or debris inside pipes can cause damage or blockage when expanded. It is important to clean them thoroughly before using this tool.
- Familiarize yourself with different heads: Each head size corresponds to specific pipe sizes. Make sure you are familiar with which head goes with which pipe size before starting your project.
In conclusion
The Dewalt Pex A Expansion Tool is a must-have for anyone working with PEX pipes. Its time-saving, cost-effective, and durable features make it stand out among other tools in the market. By considering its features and following some tips for usage, this tool will surely make your plumbing and heating projects much easier. I highly recommend adding this tool to your toolkit!
Author Profile

-
Chris Ramming is an artist, entrepreneur, and creative force in Marfa, Texas, known for his work in both the hospitality and art worlds. After moving to Marfa in 2016, Chris quickly became an integral part of the town’s vibrant cultural scene, blending his passions for community, storytelling, and artistic expression.
In 2025, Chris Ramming embarked on a new creative journey, transitioning from his role as a hospitality entrepreneur and artist to writing an informative blog on personal product analysis and first-hand usage reviews. Known for his sharp eye for detail—whether in crafting immersive spaces, capturing moments through 35mm photography, or curating thought-provoking art—Chris now channels his passion into thoroughly testing and reviewing products that enhance everyday life.
Latest entries
- January 29, 2025Personal RecommendationsI Tested: My Experience with ‘Llama Llama Mad At Mama’ – A Relatable Tale of Toddler Tantrums
- January 29, 2025Personal RecommendationsI Tested the Waters at the Notorious Company of Emma Rosenblum – My Shocking Experience Revealed!
- January 29, 2025Personal RecommendationsI Tested ‘Notes From The Midnight Driver’ and Here’s Why It’s the Ultimate Page-Turner
- January 29, 2025Personal RecommendationsI Tested the Wet Brush Pro Flex Dry and It’s a Game Changer for My Hair!