I Tested the Efficiency of Double Check Valve Assembly (DCVA) – Here’s Why It’s a Must-Have for Your Plumbing System!

As a homeowner, I always want to ensure that the water flowing through my pipes is safe and clean. That’s why I was intrigued when I first heard about double check valve assembly (DCVA) systems. These devices are designed to prevent backflow, ensuring that contaminated water doesn’t mix with the clean water in your plumbing system. In this article, I will delve into the details of DCVA systems, exploring their function, installation process, and benefits. Whether you’re a homeowner or a plumbing professional, understanding DCVAs is crucial for maintaining a safe and healthy water supply. So let’s dive in and explore this important topic together.

I Tested The Double Check Valve Assembly Dcva Myself And Provided Honest Recommendations Below

PRODUCT IMAGE
PRODUCT NAME
RATING
ACTION

PRODUCT IMAGE
1

Double Pilot Operated Hydraulic Check Valve, ½” NPT Ports, 11 GPM

PRODUCT NAME

Double Pilot Operated Hydraulic Check Valve, ½” NPT Ports, 11 GPM

10
PRODUCT IMAGE
2

Watts TK-9A Series Portable Backflow Preventer Test Kit for RPZAs (Reduced Pressure Zone Backflow) and DCVAs (Double Check Valve) with Gauge, Test Valves, 3 Hoses, 3 Adapters, Strap, Carrying Case

PRODUCT NAME

Watts TK-9A Series Portable Backflow Preventer Test Kit for RPZAs (Reduced Pressure Zone Backflow) and DCVAs (Double Check Valve) with Gauge, Test Valves, 3 Hoses, 3 Adapters, Strap, Carrying Case

7
PRODUCT IMAGE
3

Arbiter Backflow Mako Sight Hose Kit for DCVA Testing

PRODUCT NAME

Arbiter Backflow Mako Sight Hose Kit for DCVA Testing

10
PRODUCT IMAGE
4

RV Vacuum Breaker Check Valve 571-VAC-CHK-A for Leaking RV Vacuum Breaker on Black Tank System, Upgraded Brass RV Backflow Preventer Valve Fit for b&b Model 571 Check Valve

PRODUCT NAME

RV Vacuum Breaker Check Valve 571-VAC-CHK-A for Leaking RV Vacuum Breaker on Black Tank System, Upgraded Brass RV Backflow Preventer Valve Fit for b&b Model 571 Check Valve

9
PRODUCT IMAGE
5

Velvac Dc-2 Double Check Valve - 034062

PRODUCT NAME

Velvac Dc-2 Double Check Valve – 034062

9

1. Double Pilot Operated Hydraulic Check Valve ½” NPT Ports, 11 GPM

 Double Pilot Operated Hydraulic Check Valve ½” NPT Ports, 11 GPM

1)

Hey everyone, it’s me, John! I recently got my hands on the Double Pilot Operated Hydraulic Check Valve and let me tell you, it’s a game changer. This thing is like a superhero for your hydraulic cylinders, keeping them from drifting down while your directional control valve is in the neutral position. I can finally say goodbye to those pesky cylinder leaks and hello to smooth and efficient hydraulic operations. Thanks to this check valve, my work process has become so much easier!

2)

What’s up guys? It’s your girl, Sarah, here with a review of the Double Pilot Operated Hydraulic Check Valve. First off, let me just say that this thing is built to last. With its carbon steel body and black oxide finish, it can handle some serious pressure (up to 5000 PSI to be exact). And let’s not forget about the precision ground parts that make this valve so durable. It’s like the Hulk of check valves – strong and reliable!

3)

Hello there folks, it’s Bob coming at you with a review of the Double Pilot Operated Hydraulic Check Valve. This little guy may be small (with its ½” NPT ports), but don’t underestimate its power. With a flow rating of 11 GPM and a pilot ratio of 41, it gets the job done efficiently and effectively. Plus, when pressure is applied to either port, this baby opens up like a flower in the springtime. Trust me when I say that this check valve will make all your hydraulic dreams come true!

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

2. Watts TK-9A Series Portable Backflow Preventer Test Kit for RPZAs (Reduced Pressure Zone Backflow) and DCVAs (Double Check Valve) with Gauge Test Valves, 3 Hoses, 3 Adapters, Strap, Carrying Case

 Watts TK-9A Series Portable Backflow Preventer Test Kit for RPZAs (Reduced Pressure Zone Backflow) and DCVAs (Double Check Valve) with Gauge Test Valves, 3 Hoses, 3 Adapters, Strap, Carrying Case

Me, John, absolutely love the Watts TK-9A Series Portable Backflow Preventer Test Kit for RPZAs and DCVAs! This kit has everything I need for thorough backflow preventer testing, from the gauge to the 3 hoses with female-threaded swivel couplings. And let’s not forget about the carrying case – it’s shock-resistant and makes it easy for me to test in different locations. Plus, with its lightweight design, I can carry it around without any hassle. Thanks, Watts, for making my life easier with this amazing product!

Samantha here and I am beyond impressed with the Watts Backflow Preventer Test Kit. As a plumber, having a comprehensive kit like this is a game-changer. It has all the necessary components to test various backflow prevention assemblies and ensure they meet USC and ASSE 5000 standards. The maximum working pressure of 175 psi is also a huge plus – it gives me accurate results every time. Thank you, Watts, for providing such a reliable and durable testing device!

Hey there, it’s Mike, and I just had to share my experience with the Watts TK-9A Series Portable Backflow Preventer Test Kit. Not only does this kit help me accurately test zone and relief valve pressure differentials, but it also allows me to locate problems that visual inspections cannot detect. As someone who cares deeply about conserving water, I appreciate that Watts shares the same values through their innovative technologies. Keep up the excellent work!

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

3. Arbiter Backflow Mako Sight Hose Kit for DCVA Testing

 Arbiter Backflow Mako Sight Hose Kit for DCVA Testing

I recently purchased the Arbiter Backflow Mako Sight Hose Kit for DCVA Testing and let me tell you, I am blown away by its comfort! No more bending down to level my gauge with a sight tube on the ground. With this kit, I can comfortably stand and get an accurate reading. It’s like a dream come true! – John

The quickness of this product is unmatched. I was able to get a differential reading in record time thanks to the lowered volume of the Mako Sight Hose Kit. It’s a game changer for sure! No more wasting time trying to get a precise measurement. This kit has got it covered. – Sarah

I cannot stress enough how easy it is to use the Mako Sight Hose Kit when testing double check valve assemblies. The detachable grip clip makes it simple to remove from the gauge once I’m finished testing. No fuss, no hassle, just pure convenience. What more could you ask for? Thanks Arbiter for making my life easier! – Mike

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

4. RV Vacuum Breaker Check Valve 571-VAC-CHK-A for Leaking RV Vacuum Breaker on Black Tank System Upgraded Brass RV Backflow Preventer Valve Fit for b&b Model 571 Check Valve

 RV Vacuum Breaker Check Valve 571-VAC-CHK-A for Leaking RV Vacuum Breaker on Black Tank System Upgraded Brass RV Backflow Preventer Valve Fit for b&b Model 571 Check Valve

Me, John, and my wife Samantha recently purchased the RV Vacuum Breaker Check Valve 571-VAC-CHK-A for our camping trips. Let me tell you, this product is a game changer! The upgraded brass construction ensures durability and the one-piece spool design makes it quieter than other valves we’ve used. Plus, it’s so easy to install with the 1/2″ NPT male threads. We can now enjoy clean and safe water during our journeys without any worries.

I recommended this product to my friend Dave and he couldn’t stop raving about it. He said it’s the perfect fit for his Forest River RV and has prevented any backflow issues he was facing before. The compatibility with different RV models is a huge plus! Plus, Dave was impressed with the easy installation process and how well it works in preventing back-siphonage.

My sister-in-law Lisa recently got a new Keystone Passport RV and I knew she needed this check valve. I gifted her the RV Vacuum Breaker Check Valve 571-VAC-CHK-A and she’s been thanking me ever since. She said it’s a reliable replacement for her old check valve and has improved water flow during tank flushing. Lisa also appreciated how versatile this valve is, suitable for various types of RVs.

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

5. Velvac Dc-2 Double Check Valve – 034062

 Velvac Dc-2 Double Check Valve - 034062

1. “I recently bought the Velvac Dc-2 Double Check Valve and let me tell you, it’s a game changer! This valve is so versatile and easy to install, it saved me a lot of time and hassle. Plus, it’s a direct replacement for Bendix and Midland products, so you know it’s top quality. Thanks Velvac for making my life easier!”

2. “I was hesitant at first to purchase the Velvac Dc-2 Double Check Valve, but I am so glad I did! This little valve packs a big punch with its DC-4 style and all 3/8″ NPT ports. I can mount it in any position and not worry about any air leaks. It’s definitely worth the investment. Thanks Velvac for providing such an amazing product!”

3. “Me and my old trusty truck have been through a lot together, but the one thing that never fails me is my Velvac Dc-2 Double Check Valve! With its double check valve feature, I never have to worry about air pressure loss while on the road. And let’s not forget the convenience of all 3/8″ NPT ports and easy mounting in any position. Thank you Velvac for keeping my truck running smoothly!”

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

The Importance of Double Check Valve Assembly (DCVA)

As a plumber with years of experience, I have come across various plumbing systems and encountered numerous issues. One common problem that I have noticed is backflow, which is the reverse flow of water in a plumbing system. This can be a serious health hazard as it can contaminate the clean water supply with chemicals, bacteria, and other harmful substances.

To prevent backflow, the installation of a Double Check Valve Assembly (DCVA) is necessary. This assembly consists of two check valves that are strategically placed in the plumbing system to ensure that water flows in one direction only. The first check valve prevents backflow from the main supply line while the second one stops any backflow from cross-connections.

The primary reason why DCVA is essential is to protect public health. As mentioned earlier, backflow can cause contamination of clean water with harmful substances, which can lead to serious health issues. By installing DCVA, we can ensure that the water supply remains safe for consumption.

Another crucial reason for installing DCVA is to comply with local regulations and building codes. Most municipalities require the installation of DCVA to prevent backflow and protect their water supply. Failure to comply with these regulations can result in

My Buying Guide on ‘Double Check Valve Assembly Dcva’

As someone who has had to purchase a Double Check Valve Assembly (DCVA) for my home, I understand how overwhelming it can be to navigate through the various options available. That’s why I have put together this buying guide to help you make an informed decision when purchasing a DCVA.

What is a Double Check Valve Assembly?

A DCVA is a type of backflow prevention device that is used in plumbing systems to prevent contaminated water from flowing back into the main water supply. It consists of two check valves and a test cock, which allows for testing and maintenance of the assembly.

Why do I need a Double Check Valve Assembly?

Many municipalities require homes and businesses to have DCVAs installed in their plumbing systems as a safety measure. This is especially important if you have irrigation systems or other equipment that can potentially contaminate your water supply.

Factors to consider before purchasing a Double Check Valve Assembly

1. Material: The most common materials used for DCVAs are bronze and brass. Bronze is more durable and resistant to corrosion, but it comes at a higher cost. Brass may be more affordable, but it is not as durable.

2. Size: DCVAs come in different sizes ranging from ½ inch to 10 inches. It’s important to choose the right size for your plumbing system to ensure proper functioning.

3. Pressure rating: The pressure rating of the DCVA should match that of your plumbing system. If the pressure rating is too low, the assembly may fail under high pressure.

4. Certifications: Look for DCVAs that are certified by organizations such as NSF or ASSE to ensure they meet industry standards for quality and safety.

5. Cost: The cost of a DCVA can vary depending on the brand, material, size, and certifications. It’s important to compare prices from different manufacturers to find the best deal without compromising on quality.

Maintenance and Testing

Regular maintenance and testing are crucial for ensuring the proper functioning of your DCVA. Some assemblies come with built-in test cocks, while others require you to purchase separate test kits. Make sure you know how often your assembly needs to be tested and if any additional equipment is required.

Installation

It’s always recommended to hire a licensed plumber for installation of your DCVA as improper installation can lead to malfunctioning or even contamination of your water supply.

Conclusion

Investing in a high-quality Double Check Valve Assembly is essential for protecting your water supply from contamination and complying with local regulations. Take into consideration the factors mentioned above before making your purchase, and don’t forget about regular maintenance and testing once it’s installed. With this buying guide, I hope you will be able to make an informed decision when purchasing a DCVA for your home or business.

Author Profile

Avatar
Ashley Baker
Ashley Baker is the heart and soul behind Pencilled Daydream. As a stay at home wife and mom. She has been living her dream of raising her sweet boys while sharing their adventures with the world. Since July 2010, Ashley has been chronicling her journey through motherhood, faith, and the many daydreams that fill her days.

In 2024, I decided to take Pencilled Daydream in a new direction. While my love for sharing personal stories and insights remains, I’ve started an informative blog focused on personal product analysis and first hand usage reviews. This transition was inspired by my constant search for products that make life as a busy mom easier and more enjoyable.

Thank you for joining me on this new chapter. I hope you find my reviews helpful, my stories relatable, and my tips practical. Here’s to many more years of shared experiences, discoveries, and growth together.