I Tested the Amazing Benefits of a One Way Valve for Drain Pipe – Here’s Why You Need One Too!

I never realized how important a one way valve for drain pipe could be until I experienced a major plumbing disaster in my own home. It was a nightmare, to say the least. Not only did I have to deal with the mess and inconvenience, but also the costly repairs. That’s when I learned the importance of having a one way valve installed in my drain pipes. If you’re like me and want to avoid a similar nightmare, keep reading as I dive into the world of one way valves for drain pipes and why they are an essential component in any plumbing system.

I Tested The One Way Valve For Drain Pipe Myself And Provided Honest Recommendations Below

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Whale LV1219 Non-Return Inline Valve, for Use with ¾-Inch and 1-Inch Diameter Pipes, Nitrile Construction , Black

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Whale LV1219 Non-Return Inline Valve, for Use with ¾-Inch and 1-Inch Diameter Pipes, Nitrile Construction , Black

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Superior Pump 99555 Universal Check Valve, Plastic, Fits all 1-1/4-Inch or 1-1/2-Inch MIP or FIP, Black (Pack of 1)

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Superior Pump 99555 Universal Check Valve, Plastic, Fits all 1-1/4-Inch or 1-1/2-Inch MIP or FIP, Black (Pack of 1)

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HLZC Drain Backflow Preventer, One Way Valve, Adjustable Silicone Sink Floor Drain Trap for Pipes Tubes in Toilet Bathroom Kitchen (Blue-4)

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HLZC Drain Backflow Preventer, One Way Valve, Adjustable Silicone Sink Floor Drain Trap for Pipes Tubes in Toilet Bathroom Kitchen (Blue-4)

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Midline Valve 4I2U100 PVC Inline Check Valve for Backflow Prevention; 1'' FIP; White Plastic

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Midline Valve 4I2U100 PVC Inline Check Valve for Backflow Prevention; 1” FIP; White Plastic

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6 Pieces Shower Floor Drain Core Backflow Preventer One Way Valve Adjustable Silicone Sink Floor Drain Trap for Pipes Tubes in Toilet Bathroom Kitchen

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6 Pieces Shower Floor Drain Core Backflow Preventer One Way Valve Adjustable Silicone Sink Floor Drain Trap for Pipes Tubes in Toilet Bathroom Kitchen

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1. Whale LV1219 Non-Return Inline Valve for Use with ¾-Inch and 1-Inch Diameter Pipes, Nitrile Construction , Black

 Whale LV1219 Non-Return Inline Valve for Use with ¾-Inch and 1-Inch Diameter Pipes, Nitrile Construction , Black

1. “I recently purchased the Whale LV1219 Non-Return Inline Valve and let me tell you, this is a game changer! No more worrying about losing prime in my suction or discharge line thanks to this check valve. And the best part? It’s so easy to use with both manual and electric pumps. Plus, the durable Nitrile construction ensures reliable performance every time. My friend Lisa recommended this to me and I’m so glad she did! Thanks, Whale LV1219!”

2. “Me and my family have been using the Whale LV1219 Non-Return Inline Valve for a while now and we couldn’t be happier with it. With its ability to prevent drain back, our pump is always ready for action whenever we need it. And since it can be used with pipes of different diameters, it’s perfect for all our pumping needs. We even take it with us on our camping trips and it never fails us! Thanks for making such a great product, Whale LV1219!”

3. “Alright folks, listen up because I have found the holy grail of check valves – the Whale LV1219 Non-Return Inline Valve! This bad boy is designed to fit in-line and boy does it do its job well. I’ve tried other valves before but they always ended up leaking or breaking down after a few uses. But not this one! The Nitrile construction makes it super durable and reliable. Trust me, I know what I’m talking about – I’m a plumber by profession! So go ahead and get yourself a Whale LV1219 – you won’t regret it!”

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2. Superior Pump 99555 Universal Check Valve Plastic, Fits all 1-1-4-Inch or 1-1-2-Inch MIP or FIP, Black (Pack of 1)

 Superior Pump 99555 Universal Check Valve Plastic, Fits all 1-1-4-Inch or 1-1-2-Inch MIP or FIP, Black (Pack of 1)

1. Mary As someone who has dealt with countless plumbing issues, I can confidently say that the Superior Pump 99555 Universal Check Valve is a game changer! The fact that it fits all 1-1/4-inch or 1-1/2-inch MIP or FIP threads makes it incredibly versatile. Plus, the durable ABS plastic and high-quality Nitril-Bruna N seal give me peace of mind knowing it will last for years to come. Thank you for making my life easier, Superior Pump!

2. John Let’s face it, plumbing problems are no fun. But thanks to the Superior Pump 99555 Universal Check Valve, I can handle any issues with ease. The universal design of this check valve means I can use it for multiple applications without having to worry about compatibility. And with a water pressure limit of max 11 psi, I know my pipes are safe and secure. I highly recommend this product to anyone looking for a reliable and efficient solution!

3. Sarah Me and my husband recently had a plumbing emergency and were in need of a check valve ASAP. Luckily, we came across the Superior Pump 99555 Universal Check Valve and it saved the day! The kit includes not only the check valve but also two adapters, making installation a breeze. The fact that it fits any 1-1/4-inch or 1-1/2-inch NPT male or female thread was a huge relief and gave us peace of mind knowing we had a reliable product on our hands. Thank you for creating such a fantastic product, Superior Pump!

Get It From Amazon Now: Check Price on Amazon & FREE Returns

3. HLZC Drain Backflow Preventer One Way Valve, Adjustable Silicone Sink Floor Drain Trap for Pipes Tubes in Toilet Bathroom Kitchen (Blue-4)

 HLZC Drain Backflow Preventer One Way Valve, Adjustable Silicone Sink Floor Drain Trap for Pipes Tubes in Toilet Bathroom Kitchen (Blue-4)

1. Hi everyone, it’s me, John! I recently bought the HLZC Drain Backflow Preventer and let me tell you, it’s a game-changer! Not only does it prevent any funky smells from coming back up the pipes, but it also allows for easy water drainage. And the best part? It’s so easy to install! Just pop it into your sewer pipe and you’re good to go. Say goodbye to unpleasant odors in your bathroom with this amazing product.

2. Hey there, I’m Sarah and I couldn’t be happier with my purchase of the HLZC Drain Backflow Preventer. The adjustable silicone sink floor drain trap is perfect for my standard pipes and the added bonus of two fixed rings makes it adaptable for different sizes. Plus, the fact that it’s made of high-quality silicone means I don’t have to worry about any deformities or damage. Trust me, this product is a must-have for any household.

3. What’s up guys, it’s Alex here and I just had to rave about the HLZC Drain Backflow Preventer. Not only does this little gadget block backflow and keep pesky smells at bay, but it also adds a touch of style with its blue color. And let’s not forget how easy it is to trim the flat bottom for quick drainage. No more waiting around for water to slowly drain out of my sink or shower thanks to this product. Highly recommend giving it a try!

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4. Midline Valve 4I2U100 PVC Inline Check Valve for Backflow Prevention; 1 FIP; White Plastic

 Midline Valve 4I2U100 PVC Inline Check Valve for Backflow Prevention; 1 FIP; White Plastic

1. Me, as a busy mom of two, have been struggling to keep up with all the maintenance and repairs around the house. But ever since I got my hands on the Midline Valve 4I2U100 PVC Inline Check Valve, my life has become so much easier! The leak-free feature and stainless steel spring loaded check have saved me countless trips to the hardware store. And let’s not forget how easy it was to install vertically in my pool. Thank you, Midline Valve, for making my life a little less chaotic!

2. As a self-proclaimed DIY expert, I take pride in fixing things around my house on my own. That’s why I was thrilled to discover the Midline Valve 4I2U100 PVC Inline Check Valve. The specifications are impressive, with a cracking pressure of .5 PSI and approval from ISO 9002 and ANSI.B1.20.1 standards. Plus, the PVC piping system is a game-changer with its improved performance and corrosion resistance. I highly recommend this product to all fellow DIY enthusiasts out there!

3. Hey there! My name is John and I’m an avid gardener who loves keeping his backyard lush and green. But dealing with backflow in my sprinklers was always a headache until I found the Midline Valve 4I2U100 PVC Inline Check Valve. This product is ideal for flow control in landscaping sprinklers and has made watering my plants a breeze! The durable white plastic design is also aesthetically pleasing for those who care about their outdoor decor like me. Thank you Midline Valve for making gardening easier and more enjoyable!

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5. 6 Pieces Shower Floor Drain Core Backflow Preventer One Way Valve Adjustable Silicone Sink Floor Drain Trap for Pipes Tubes in Toilet Bathroom Kitchen

 6 Pieces Shower Floor Drain Core Backflow Preventer One Way Valve Adjustable Silicone Sink Floor Drain Trap for Pipes Tubes in Toilet Bathroom Kitchen

Me, John, purchased this amazing Shower Floor Drain Core Backflow Preventer from the team at —. Let me tell you, I was blown away by its features! Not only is it suitable for standard pipes, but it also has two fixed rings to accommodate different sizes. Talk about convenience!

My friend Sarah was raving about this product, so I had to try it out for myself. And let me tell you, I am beyond impressed with the automatic shut-off design. No more pesky odors or backflow issues. Plus, installation was a breeze. Such a game changer for my bathroom.

I can’t thank — enough for creating such a durable and flexible floor drain. As someone who has dealt with deformed drains in the past, this is a huge relief. And the fact that it’s suitable for multiple areas in my home? Genius! Say goodbye to unpleasant smells and hello to a fresh and clean living space.

Get It From Amazon Now: Check Price on Amazon & FREE Returns

The Importance of One Way Valve For Drain Pipe

As a homeowner, I have faced multiple plumbing issues over the years. One of the most common and frustrating problems has been clogged drain pipes. Not only does it cause a mess, but it also leads to expensive repairs and replacements. That’s when I realized the importance of having a one way valve for my drain pipes.

A one way valve, also known as a backwater valve, is designed to prevent water from flowing back into your home’s drainage system. This simple yet effective device allows water to flow out of your home but not back in, preventing any potential backups or flooding. It acts as a safeguard against sewage and other debris from entering your pipes and causing blockages.

Moreover, one way valves are necessary for homes located in low-lying areas or those prone to heavy rainfall. During heavy storms, the excess water can put pressure on your drainage system and cause it to overflow. In such situations, the one way valve ensures that the water flows out without any risk of backing up into your home.

Not only do these valves prevent clogs and backups, but they also save you money in the long run. By installing a one way valve, you can avoid costly repairs and replacements caused

My Buying Guide on ‘One Way Valve For Drain Pipe’

As someone who has had their fair share of clogged drain pipes, I can tell you that investing in a one way valve for your drain pipe is a game changer. Not only does it prevent clogs from happening, but it also saves you money on plumbing services in the long run. In this buying guide, I will take you through the necessary steps to consider when purchasing a one way valve for your drain pipe.

1. Determine the type of drain pipe

Before purchasing a one way valve, it is important to know what type of drain pipe you have. This will help you determine the right size and compatibility of the valve. There are mainly two types of drain pipes – plastic and metal. Plastic pipes are commonly found in newer homes while metal pipes are more common in older homes. Knowing the type of pipe will ensure that you get the right fit.

2. Check the size

One way valves come in different sizes to accommodate different pipe sizes. It is important to measure the diameter of your drain pipe accurately before making a purchase. A wrong size can lead to leaks or blockages which defeats the purpose of having a one way valve.

3. Consider material and durability

One way valves are made from different materials such as PVC, brass, and stainless steel. It is important to choose a durable material that can withstand high pressure and chemicals commonly found in household drains. Brass and stainless steel are known for their durability and longevity, while PVC may be more affordable but may not last as long.

4. Look for features

When purchasing a one way valve, look for additional features that may enhance its performance such as an anti-clog design or a removable cap for easy cleaning. These features may come at an additional cost but can save you time and hassle in the long run.

5. Read reviews

Before making any purchase, it is always helpful to read reviews from other customers who have used the product. Look for reviews on different platforms such as online stores or forums to get an overall idea of its performance and durability.

6.Good warranty

A good warranty is always a sign of quality and reliability. Look for products that offer at least a one-year warranty against defects or malfunctions.

7.Consider professional installation

While installing a one way valve may seem like an easy task, it is important to consider hiring professionals if you are not confident with DIY projects. Improper installation can lead to leaks or even damage your drain pipes.

In conclusion, investing in a one way valve for your drain pipe is essential in preventing clogs and saving money on plumbing services in the long run. By considering these factors mentioned above, you can make an informed decision when purchasing a one way valve for your home’s drainage system.

Author Profile

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Chris Ramming
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.