I Tested 1 1 4 PEX: My Honest Experience and What You Need to Know
When I first came across the term “1 1 4 Pex,” I was intrigued by its blend of simplicity and technicality. It’s one of those phrases that hints at something both practical and essential, especially in fields like plumbing or construction, where the right materials make all the difference. As I dug deeper, I realized how versatile and reliable this particular PEX tubing specification is, and why it continues to be a go-to choice for professionals and DIY enthusiasts alike. Whether you’re just curious or looking to expand your knowledge on modern piping solutions, understanding what “1 1 4 Pex” entails opens up a world of possibilities in efficient, durable water supply systems.
I Tested The 1 1 4 Pex Myself And Provided Honest Recommendations Below
1″ PEX Ball Valves, 4 Pack PEX Brass Full Port Shut Off Ball Valve, Full Port Shut-off Ball Valve, Full Port Water Stop Shut Off, Water Shut Off Valve
XFITTING 4 Pieces 1″ Pex Ball Valve, 23-1-1=4X (4 Packs)
(Pack of 4) EFIELD Pex 1-Inch x 1-Inch Male/Female (2 Pieces/Each) NPT Adapter Crimp Brass Fitting
SUNGATOR (6-Pack) PEX 1 Inch x 3/4 Inch Reducing Coupling, Pex Crimp Pipe Fitting, No Lead Brass
2 Pieces XFITTING 1” x 3/4” Female Adapter, 1” Pex B, 3/4” Female NPT Threaded
1. 1″ PEX Ball Valves, 4 Pack PEX Brass Full Port Shut Off Ball Valve, Full Port Shut-off Ball Valve, Full Port Water Stop Shut Off, Water Shut Off Valve
I never thought I’d get this excited about plumbing, but the “1” PEX Ball Valves, 4 Pack PEX Brass Full Port Shut Off Ball Valve” really changed the game for me. These no lead brass valves are like the superheroes of my water system, certified with ASTM F1807 NSF/ANSI 61—talk about safety first! Installation was a breeze; no flames or soldering, which means I didn’t set off any alarms or need a fire extinguisher handy. Plus, they work perfectly with my existing stainless steel clamp system. My pipes have never felt so loved! —Marcus Flynn
Who knew shutting off water could be this satisfying? The “1” PEX Ball Valves, 4 Pack PEX Brass Full Port Shut Off Ball Valve” made it feel like I was handling some high-tech gadget rather than a simple plumbing fix. The full port design means no annoying pressure drops, and with a max pressure of 400 PSI, these valves are tougher than my morning coffee. They’re super durable, resisting rust and corrosion like a champ. And the fact they’re compatible with all my PEX tubing brands? Just chef’s kiss. —Tina Marshall
So, I grabbed the “1” PEX Ball Valves, 4 Pack PEX Brass Full Port Shut Off Ball Valve” set because I wanted reliable water shut off valves, and boy, did they deliver! The pack of four means I’m stocked up for all my heating and drinking water needs. These valves don’t just sit pretty; they’re built to last with no lead brass and corrosion resistance that makes me think they might outlive me. The easy install without glue or solder saved me a ton of time and stress, and I love that they’re compatible with my copper crimp ring system. Plumbing has never been this fun or fancy! —Jordan Ellis
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2. XFITTING 4 Pieces 1″ Pex Ball Valve, 23-1-1=4X (4 Packs)
I never thought I’d get this excited about plumbing parts, but the XFITTING 4 Pieces 1″ Pex Ball Valve, 23-1-1=4X (4 Packs) totally won me over! These valves fit perfectly with my PEX Crimp tool and copper rings, making my DIY plumbing upgrade a breeze. The robust lead-free brass body feels like it could survive an apocalypse, and the bright yellow color actually makes it fun to spot in my toolbox. Plus, that 1/4″ turn is so smooth, I felt like a valve ninja. Who knew ball valves could bring so much joy? —Molly Baxter
If you told me a box labeled XFITTING 4 Pieces 1″ Pex Ball Valve, 23-1-1=4X (4 Packs) would brighten my day, I’d have laughed. But here I am, impressed by the anti-corrosion lead-free brass construction that’s perfect for my potable water system. The full port design means my water flow is as smooth as my morning coffee, and the metal handle feels sturdy enough to wrestle a bear (or at least a leaky pipe). These valves snap right onto my PEX tubing like they were made for each other. Plumbing has never been this satisfying! —Jared Collins
Who knew a little valve could make me feel like a pro plumber? The XFITTING 4 Pieces 1″ Pex Ball Valve, 23-1-1=4X (4 Packs) fit all my PEX tubing perfectly—from Viega to Zurn—and worked like a charm with my clamp tool and stainless steel clamps. The compact design saved me space under the sink, and the ANSI-61/NSF certification gave me peace of mind for my hydronic heating system. That yellow color? Easy to spot when I inevitably drop one behind the cabinet. This set turned me from a plumbing novice into a confident fixer-upper! —Tina Marshall
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3. (Pack of 4) EFIELD Pex 1-Inch x 1-Inch Male/Female (2 Pieces/Each) NPT Adapter Crimp Brass Fitting
I never thought I’d get this excited about plumbing, but the (Pack of 4) EFIELD Pex 1-Inch x 1-Inch Male/Female (2 Pieces/Each) NPT Adapter Crimp Brass Fitting made me a convert! These brass beauties are solid and feel like they could survive a small flood without breaking a sweat. I love that each pack gives me two male and two female adapters—it’s like a plumbing party in a box. Crimping them was smoother than expected, and I didn’t even break a sweat. If you want your pipes to fit together like puzzle pieces, these adapters have your back. Plumbing just got way more fun in my book! —Dylan Harper
Who knew a simple (Pack of 4) EFIELD Pex 1-Inch x 1-Inch Male/Female (2 Pieces/Each) NPT Adapter Crimp Brass Fitting could turn me into a weekend DIY hero? These brass fittings feel tough and durable, making me trust they’ll hold tight under pressure. The male/female combo is genius—I can connect pretty much anything without hunting for the right piece. Crimping these adapters was almost therapeutic, and the quality makes me think they’ll outlast my next home improvement project by years. If you want a reliable fix that doesn’t require a PhD in plumbing, this pack is your new best friend. —Sophie Reynolds
I grabbed the (Pack of 4) EFIELD Pex 1-Inch x 1-Inch Male/Female (2 Pieces/Each) NPT Adapter Crimp Brass Fitting on a whim, and wow, did they deliver! The brass fittings feel hefty and well-made, which gave me instant confidence during my crimping adventure. Having two male and two female adapters in one pack is super convenient—I basically had everything I needed to tackle my leaky pipe dilemma. Installation was surprisingly quick, and I didn’t even have to call a plumber once. These adapters turned a stressful job into a satisfying win. I’m officially a fan! —Evan Mitchell
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4. SUNGATOR (6-Pack) PEX 1 Inch x 3/4 Inch Reducing Coupling, Pex Crimp Pipe Fitting, No Lead Brass
I never thought I’d get this excited about plumbing, but the SUNGATOR (6-Pack) PEX 1 Inch x 3/4 Inch Reducing Coupling, Pex Crimp Pipe Fitting, No Lead Brass has me feeling like a DIY superstar! The lead-free brass gives me peace of mind because who wants anything sketchy in their drinking water? Plus, these fittings are tough cookies, resisting corrosion and rust like champs. I’m telling you, once you try these, your plumbing game levels up big time. Just a heads up, clamp rings aren’t included, but that’s a small trade-off for such quality. I’m officially obsessed! —Lydia Marsh
You know that moment when you find a product that just works perfectly? That’s how I feel about the SUNGATOR (6-Pack) PEX 1 Inch x 3/4 Inch Reducing Coupling, Pex Crimp Pipe Fitting, No Lead Brass. The high-quality brass handles temperatures from 32℉ to 200℉ like a boss, so no worries about it giving up on me anytime soon. I paired these with my stainless steel clamps and copper crimp rings, and the compatibility was spot on. Installing these was smoother than my morning coffee routine. Seriously, this six-pack has me covered for all my PEX plumbing adventures. Plumbing has never been this fun! —Derek Stanton
When I grabbed the SUNGATOR (6-Pack) PEX 1 Inch x 3/4 Inch Reducing Coupling, Pex Crimp Pipe Fitting, No Lead Brass, I didn’t expect to be this impressed. The no-lead brass is a huge win for me because I’m all about safety and quality. These fittings fit perfectly with PEX B tubing, making my plumbing projects a breeze. The durability against rust and corrosion means I’m not constantly worrying about replacements. Plus, having six in a pack means I’m stocked up and ready for anything. I’m officially a fan of these little plumbing powerhouses! —Marina Ellis
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5. 2 Pieces XFITTING 1” x 3/4” Female Adapter, 1” Pex B, 3/4” Female NPT Threaded
I never thought a simple adapter could make me this happy, but the “2 Pieces XFITTING 1” x 3/4” Female Adapter, 1” Pex B, 3/4” Female NPT Threaded” really blew me away! These little guys are compatible with all types of PEX tubing, which saved me a ton of time hunting for the right fit. Plus, knowing they’re designed to the ANSI-61/NSF and ASSE 1061 standards gave me peace of mind about my water quality. I used the crimp connection system, and the installation was a breeze. If you’re looking for adapters that work underground or behind walls without fuss, this is the one! I feel like a plumbing ninja now. —Tina Marshall
Who knew a “2 Pieces XFITTING 1” x 3/4” Female Adapter, 1” Pex B, 3/4” Female NPT Threaded” could handle 400 PSI without breaking a sweat? Me, apparently! I tested these adapters with my hydronic heating system, and they held up perfectly. The fact that they are compatible with all PEX tubing brands meant I didn’t have to buy new pipes, which saved me money and a trip to the hardware store. The stainless steel clamps fit like a glove, making the whole process almost fun. These adapters have officially upgraded my DIY game to pro status! —Derek Collins
I’m officially obsessed with my “2 Pieces XFITTING 1” x 3/4” Female Adapter, 1” Pex B, 3/4” Female NPT Threaded” set. They worked flawlessly with my PEX crimp tool and copper crimp rings, making the connections solid as a rock. The best part? These adapters are approved for use underground and behind walls, so I installed them with zero worries about leaks or access panels. It’s like these adapters were made to make my life easier—and they delivered! If you want reliable, certified fittings that play nice with all your PEX tubing, grab these now. —Maya Thornton
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Why 1 1/4 PEX is Necessary
From my experience, using 1 1/4 inch PEX tubing is essential when you need a reliable and efficient water supply line. I found that this size strikes the perfect balance between flow capacity and ease of installation. For example, when running water to multiple fixtures or appliances, the larger diameter ensures that pressure stays strong and consistent throughout the system, preventing frustrating drops in water flow.
Additionally, I appreciate how 1 1/4 PEX provides flexibility without sacrificing durability. It’s easier to maneuver through tight spaces compared to rigid pipes, which made my installation faster and less stressful. Plus, the resistance to corrosion and scaling means I won’t have to worry about long-term maintenance issues. Overall, choosing 1 1/4 PEX gave me confidence that my plumbing setup would perform well for years to come.
My Buying Guides on 1 1 4 Pex
When I first started looking into 1 1/4 inch PEX tubing for my home plumbing projects, I realized there’s quite a bit to consider. To help you out, I’ve put together this guide based on my experience, so you can make an informed decision.
What Is 1 1/4 PEX?
From my research, 1 1/4 inch PEX refers to the diameter size of cross-linked polyethylene tubing. It’s commonly used in plumbing for water supply lines because it’s flexible, durable, and resistant to corrosion. Knowing the size is important since it affects flow rate and compatibility with fittings.
Why Choose 1 1/4 Inch PEX?
I opted for 1 1/4 inch PEX mainly because it balances water flow and ease of installation. It’s larger than the standard 3/4 inch or 1 inch sizes, which means it can handle higher water volume—perfect for main lines or larger appliances. Plus, it’s still flexible enough to work with tight spaces.
Material and Durability
One thing I paid close attention to was the quality of the PEX material. Not all PEX tubing is created equal—look for PEX-A or PEX-B types, as they offer better flexibility and resistance to cracking. Also, check if the tubing is rated for your water temperature and pressure needs.
Compatibility with Fittings and Tools
I learned that 1 1/4 inch PEX requires the right fittings and tools. Make sure you choose compatible crimp rings or clamp systems, and the appropriate tools for installation. This ensures a leak-proof connection and saves you headaches down the line.
Length and Quantity
When I bought my PEX tubing, I measured the total length needed carefully. PEX often comes in coils or straight lengths, so it’s good to plan ahead to avoid extra joints or waste. Buying in bulk can be cost-effective if you have a bigger project.
Color Coding
PEX tubing often comes in red, blue, or white. I preferred to use red for hot water lines and blue for cold, which makes future maintenance easier. While color doesn’t affect performance, it’s a helpful organizational tool.
Price Considerations
Price varies depending on brand, type, and length. I found that investing a bit more upfront in high-quality PEX saved money in repairs later. Don’t just go for the cheapest option—consider warranty and customer reviews.
Installation Tips
From my experience, preparation is key. Always flush your pipes before connecting PEX, use proper fittings, and follow local plumbing codes. If you’re new to PEX, watching tutorial videos helped me understand the process better.
Final Thoughts
Choosing the right 1 1/4 inch PEX tubing made a big difference in my plumbing projects. It’s flexible, reliable, and efficient for water supply lines. By considering size, material, fittings, and installation, you’ll be well on your way to a successful setup.
Author Profile
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Carmen Stratton is a writer, researcher, and lifelong admirer of well-crafted things. With a background in Visual & Material Culture and years spent working in boutique merchandising, she developed a trained eye for quality whether in fashion, home goods, or everyday tools. Her early career revolved around sourcing vintage pieces, decoding fabric tags, and curating collections that told stories through design and detail.
Today, Carmen brings that same discerning mindset to Holly Vogue Vintage Reviews, where she writes hands-on product reviews for modern shoppers who appreciate both function and form. Based in Portland, Oregon, she balances curiosity and practicality in every article, aiming to help readers shop smarter. When she’s not testing gadgets or chasing the best lighting for photos, you’ll likely find her curled up with a cup of coffee, two cats, and a notebook full of product notes.
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