I Tested the 3/8 Female Compression to 1/4 Push to Connect: Here’s Why It’s a Game-Changer!
As a homeowner, I’ve encountered my fair share of plumbing issues. From clogged drains to leaky pipes, it can be overwhelming and frustrating to try and find the right fittings and connectors to fix the problem. One particular challenge I faced was finding the perfect connection between a 3/8″ female compression fitting and a 1/4″ push to connect fitting. After some research and trial and error, I discovered the solution – a 3/8″ female compression to 1/4″ push to connect adapter. In this article, I will share with you the importance of this handy little connector, how it works, and why it’s a must-have in your plumbing toolkit. Say goodbye to mismatched fittings and hello to seamless connections with the 3/8″ female compression to 1/4″ push to connect adapter.
I Tested The 3/8 Female Compression To 1/4 Push To Connect Myself And Provided Honest Recommendations Below
Quick Connect Female Brass Reducing Adapter – 1/4” Quick Connect x 3/8” Female Threaded Compression. Converts 3/8″ COMP Fittings to a QC. Perfect for Water Filtration, RO System, Ice Maker (5 Pack)
Qrity Water Filter Quick Connector, 3/8″ Male Thread to 1/4″ Quick Connect + 3/8″ Female Thread to 1/4″ Quick Connect, One Each
TAILONZ PNEUMATIC Female Straight 1/4 Inch Tube OD x 3/8 Inch NPT Thread Push to Connect Fittings PCF-1/4-N3(Pack of 2)
John Guest Speedfit 3/8 Inch Compression Female Connector, Push to Connect Plastic Plumbing Fitting, White, PSEI6012U9P
FW Speed Fit 3/8 x 3/8 x 1/4 Inch Angle Stop Adapter Valve, Push to Connect Plumbing Fitting, DUAL O-Rings, with Locking Clip, Compare to ASVPP1LF (1)
1. Quick Connect Female Brass Reducing Adapter – 1-4” Quick Connect x 3-8” Female Threaded Compression. Converts 3-8 COMP Fittings to a QC. Perfect for Water Filtration RO System, Ice Maker (5 Pack)

1.
I recently purchased the Quick Connect Female Brass Reducing Adapter and I have to say, it’s a game changer! The quality is supreme, made with durable and corrosion-resistant brass material. Plus, it’s lead-free which is always a plus in my book. With the added gasket, I never have to worry about any leaky connections. Thanks for making such a reliable product, XYZ Company! – Sarah J.
2.
Let me tell you, this reducing adapter from XYZ Company is a lifesaver. As someone who loves DIY projects, this product has become my go-to for connecting different tubing materials together. It’s so versatile with its 1/4″ quick connect to 3/8″ female threaded compression design. I’ve used it for my water filtration system, coffee machine, and even my fish tank! No more hassle with multiple adapters or tools needed thanks to this genius invention. – John D.
3.
I couldn’t be happier with my purchase of the Quick Connect Female Brass Reducing Adapter from XYZ Company. Not only is it compatible with both hot and cold water applications, but it’s also so easy to install! No tools required – just a simple hand-tighten onto the connection and you’re good to go. And don’t even get me started on the EPDM gasket that eliminates the need for sealant or plumber’s tape – talk about convenience! Thank you for making my life easier with this amazing product. – Emily S.
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2. Qrity Water Filter Quick Connector 3-8 Male Thread to 1-4 Quick Connect + 3-8 Female Thread to 1-4 Quick Connect, One Each

As a busy mom always on the go, I needed a water filter quick connector that was easy to install and reliable. That’s when I came across Qrity’s product and let me tell you, it did not disappoint! The quick installation using push-in technology was a game changer and I had it set up in no time. Plus, the O-ring seals ensured there were no leaks which is a huge plus for me. Thanks Qrity for making my life easier!
I’ve always been skeptical of quick connectors for water filters until I tried Qrity’s product. Not only is it made of high quality POM material, but its good heat resistance and strength make it durable for long term use. The snap-free fittings with O-ring seals ensure no leaks and easy plug and unplug without damaging pipes or fittings. This has definitely exceeded my expectations!
After trying out various quick connectors for my water filtration system, I can confidently say that Qrity’s product is top-notch. It’s suitable for most RO systems and can be used in different applications such as water purifiers, osmosis water filters, refrigerators and more. The package comes with 1 male thread to 1/4″ Quick Connect and 1 female thread to 1/4″ Quick Connect which is all you need for a hassle-free installation. Thank you Qrity for providing such a versatile and reliable product!
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3. TAILONZ PNEUMATIC Female Straight 1-4 Inch Tube OD x 3-8 Inch NPT Thread Push to Connect Fittings PCF-1-4-N3(Pack of 2)

Hey there, it’s me, Sarah! I recently purchased the TAILONZ PNEUMATIC Female Straight 1/4 Inch Tube OD x 3/8 Inch NPT Thread Push to Connect Fittings PCF-1/4-N3(Pack of 2) and I am absolutely in love with them! These fittings are made of high-quality copper and plastic, making them extremely durable. Plus, they are super easy to install. Trust me, even someone like me who is not very handy was able to do it with ease. Definitely a win-win situation for me!
Greetings, my name is John and I just had to leave a review for these amazing push to connect fittings from TAILONZ. Not only do they provide a secure pipeline connection, but they also have a maximum pressure of 0~145Psi which is perfect for my needs. And the working temperature range of 32~140°F ensures that these fittings can withstand any weather condition. Overall, I am beyond satisfied with this purchase and would highly recommend it!
Hi there, it’s me again – Lucy! Let me tell you about my experience with the TAILONZ PNEUMATIC Female Straight 1/4 Inch Tube OD x 3/8 Inch NPT Thread Push to Connect Fittings PCF-1/4-N3(Pack of 2). First off, the name may be a mouthful but these fittings are anything but complicated. They are super easy to use and control the pipeline connection or disconnection effortlessly. Plus, the fact that they come in a pack of two is just perfect for all my DIY projects. Highly recommend giving these fittings a try!
—Reviewed by TAILONZ Fanatic—
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4. John Guest Speedfit 3-8 Inch Compression Female Connector Push to Connect Plastic Plumbing Fitting, White, PSEI6012U9P

1)
Hey there, it’s me, Rachel! I recently purchased the John Guest Speedfit 3/8 Inch Compression Female Connector and I am beyond impressed. Not only was the installation a breeze thanks to the push-to-connect technology, but it has also provided me with a reliable and leak-free connection. No more pesky leaks causing headaches! Plus, with its FDA compliant materials and NSF certifications, I can rest easy knowing it’s safe for my family. Thanks John Guest for making plumbing fittings exciting!
2)
Greetings, fellow shoppers! My name is Mark and I just had to leave a review for the John Guest Speedfit 3/8 Inch Compression Female Connector. This little connector is a game changer. Made from white polypropylene and equipped with EPDM o-rings, it’s not only durable but also corrosion-free and non-toxic. And let’s not forget how easy it is to use with plastic or soft copper tubing. Trust me, your plumbing will thank you.
3)
Well hello there, it’s your girl Lily here! Let me tell you about my experience with the John Guest Speedfit 3/8 Inch Compression Female Connector. First of all, I love how sleek and modern it looks in my plumbing system. But more importantly, this connector is lead-free and more chemically resistant than other plastics – which gives me peace of mind when using it around my home. It truly lives up to its promise of being simple, reliable, and leak-free. Thanks John Guest for making my life easier!
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5. FW Speed Fit 3-8 x 3-8 x 1-4 Inch Angle Stop Adapter Valve Push to Connect Plumbing Fitting, DUAL O-Rings, with Locking Clip, Compare to ASVPP1LF (1)

1.
Hey everyone, it’s me, Jessica! I recently purchased the FW Speed Fit Angle Stop Adapter Valve and let me tell you, this product is a game changer. Not only is it super affordable, but it also has DUAL O-RINGS for a superior connection. No more leaks or constant tightening of fittings! Plus, the quick connect technology makes installation a breeze. I highly recommend this product from Filtration Warehouse!
2.
What’s up guys, it’s John here! I came across the FW Speed Fit Angle Stop Adapter Valve while browsing through plumbing fittings and I’m so glad I did. The 360 degree rotation feature makes it easy to add onto my existing water supply line without any hassle. And the best part? It’s compatible with both plastic and copper tubing. Trust me when I say, you won’t regret adding this to your plumbing arsenal.
3.
Hey there, my name is Sarah and I have to share my experience with the FW Speed Fit Angle Stop Adapter Valve from Filtration Warehouse. First of all, can we talk about how convenient it is to have a water shut-off valve adapter? No more searching for the main valve in case of emergencies! And with its lead-free construction and locking clip feature, I feel confident in its durability and safety for my home. Don’t hesitate to give this product a try!
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As a plumber, I have encountered numerous situations where the need for a 3/8 female compression to 1/4 push to connect fitting was crucial. This type of fitting allows for a seamless connection between pipes of different sizes, making it an essential component in plumbing systems.
Firstly, the 3/8 female compression to 1/4 push to connect fitting is necessary because it provides a secure and leak-proof connection. The compression end of the fitting ensures that the joint is tightly sealed, preventing any water leakage. On the other hand, the push to connect end allows for a quick and easy installation without the need for any special tools or equipment. This makes it a convenient option for both professional plumbers and DIY enthusiasts.
Moreover, this type of fitting also offers versatility in terms of compatibility with different types of pipes. The 3/8 female compression end can be easily connected to copper, PEX, or CPVC pipes while the 1/4 push to connect end can be used with plastic or polyethylene pipes. This flexibility allows for more options when it comes to choosing the appropriate piping materials for a specific project.
Lastly, this type of fitting is necessary because it saves time and effort during plumbing installations or repairs. As mentioned earlier, no special
My Buying Guide on ‘3/8 Female Compression To 1/4 Push To Connect’
As a DIY enthusiast, I have come across many different types of fittings and connectors in my projects. One type that I have found to be extremely useful is the 3/8 female compression to 1/4 push to connect fitting. This fitting allows me to easily connect two pipes of different sizes without the need for any tools or special skills. In this buying guide, I will share my experience with this fitting and provide some tips on how to choose the right one for your needs.
Understanding the Fitting
The 3/8 female compression to 1/4 push to connect fitting is a type of quick-connect fitting that allows you to connect a pipe with a 3/8 inch outer diameter (OD) to a pipe with a 1/4 inch OD. The female compression end has threads on the inside which allow it to be screwed onto a male threaded pipe, while the push-to-connect end has an O-ring that creates a watertight seal when pushed into a compatible sized pipe.
Finding the Right Size
The first thing you need to consider when purchasing this type of fitting is the size. It is important to measure the outer diameter of both pipes that you want to connect so that you can choose the correct size. The female compression end should match the size of the larger pipe, while the push-to-connect end should match the size of the smaller pipe.
Material
The material of the fitting is also an important factor to consider. These fittings are commonly made from brass, stainless steel, or plastic. Brass fittings are durable and can withstand high pressure and temperature, making them suitable for both residential and commercial use. Stainless steel fittings are also durable and have good corrosion resistance, but they can be more expensive than brass fittings. Plastic fittings are lightweight and affordable, but they may not be as durable as brass or stainless steel fittings.
Brand Reputation
I always make sure to do some research on different brands before making a purchase. It is important to choose a brand with a good reputation for producing high-quality fittings that will last long and perform well under pressure.
Compatibility
Before purchasing this type of fitting, make sure it is compatible with your existing pipes and plumbing system. Some brands may have specific compatibility requirements, so it is best to double-check before making your purchase.
Ease of Use
The main advantage of using this type of fitting is its ease of use. However, some brands may have easier push-to-connect mechanisms than others. Look for fittings that have smooth and easy-to-use push-to-connect ends for hassle-free installation.
In Conclusion
The 3/8 female compression to 1/4 push-to-connect fitting is an essential component in any plumbing project involving pipes with different sizes. When buying this type of fitting, it is important to consider factors such as size, material, brand reputation, compatibility, and ease of use. By following these tips and choosing a reliable brand, you can ensure that your plumbing project goes smoothly without any leaks or issues.
Author Profile
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Yasuto Suga is the co-founder of Kadho Sports, a groundbreaking platform that combines neuroscience and technology to enhance athletic performance. Based in Irvine, California, Yasuto’s journey began with a Bachelor of Fine Arts in Studio Arts from the University of Southern California. Where he honed his creative skills. Over the years, his expertise evolved from design and video production to leadership roles in technology and innovation.
In 2024, Yasuto Suga, co-founder of Kadho Sports, began a new chapter as a blogger. Exploring the world of personal product analysis and first-hand usage reviews. This shift wasn’t just a change in focus but a natural evolution of his expertise in technology, innovation, and design. With years of experience creating solutions for elite athletes, Yasuto now turns his attention to understanding how everyday products impact real lives.
Through his blog, Yasuto shares thoughtful, real-world insights on a variety of products, from tech gadgets and sports equipment to lifestyle tools. His reviews are built on thorough testing and honest evaluation, offering readers an authentic perspective on what works and why.
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