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VonWater V2-800N Reverse Osmosis System Review

If you’re looking for a cutting-edge water filtration system that combines efficiency, convenience, and exceptional water quality, the VonWater V2-800N Reverse Osmosis System should be at the top of your list. This 800GPD high-flow under-sink filtration system offers a 7-stage tankless design, ensuring safe and great-tasting water for your household. From its compact size to its advanced features, this system is a game-changer for those seeking clean, filtered water.

In this review, I’ll dive deep into the features, installation process, and performance of the VonWater V2-800N Reverse Osmosis System to help you decide if it’s the right fit for your home.

Why Choose the VonWater V2-800N Reverse Osmosis System?

VonWater V2-800N Reverse Osmosis System

When it comes to water filtration, not all systems are created equal. The VonWater V2-800N Tankless RO system stands out for its efficiency, design, and performance.

Here are the standout features that make this system a great choice:

1. High Capacity and Certified Performance

The VonWater V2-800N is designed to deliver up to 800 gallons per day (GPD) with a 2:1 pure-to-drain ratio, making it one of the most efficient systems on the market. It is NSF/ANSI 372 certified, ensuring that it meets the highest standards for water safety and quality. This system effectively removes 99.99% of contaminants, including:

  • TDS (Total Dissolved Solids)
  • PFAS
  • Lead
  • Fluoride
  • Sulfide
  • Chlorine
  • Heavy metals

With its ability to eliminate these harmful substances, you’ll enjoy clean, safe water for drinking, cooking, and more.

2. Advanced 7-Stage Filtration System

The VonWater V2-800N features a 7-stage filtration system that includes:

  • A coconut-shell activated carbon post filter to enhance taste.
  • A 0.0001-micron RO membrane capable of filtering out even the smallest contaminants.
    This multi-stage process ensures that your water is not only safe but also tastes fresh and pure.

3. Compact Tankless Design

Traditional reverse osmosis systems often require bulky tanks that take up valuable under-sink space. With its tankless design, the VonWater V2-800N measures just 4.9″ W x 16.2″ D x 13.9″ H, taking up only a quarter of the space of a conventional tank system. If you have limited room under your sink or additional appliances like a garbage disposal, this system is a perfect space-saving solution.

4. Easy Maintenance and Leak-Free Operation

V2-800N diagram showing multiple function

This system is designed with convenience in mind:

  • Twist-and-pull filters make replacements quick and hassle-free.
  • A built-in filter life reminder helps you track when it’s time for a change.
  • The auto-flush function prevents sediment buildup, extending filter life.
  • Its integrated design for electrical and water circuits minimizes the risk of leaks.

5. Whole Kitchen Filtration Solution

Unlike basic under-sink water filters, the VonWater V2-800N RO system can serve as a complete whole kitchen filtration system. By integrating both an under-sink water filter and a reverse osmosis system, it ensures purer water for drinking, cooking, and even cleaning.

Installation: What to Expect

Installing the VonWater Tankless Reverse Osmosis system is straightforward, but there are a few things you should keep in mind:

What Comes in the Box?

The package includes:

  • RO System Unit (x1)
  • RO Filter (x1)
  • PPC Filter (x1)
  • Installation Accessories Set (x1)
  • Power Adapter (x1)

The feed water adapter is 1/2″, and the kit includes two 3/8″ converters, so it’s compatible with most standard water valves.

Installation Process

Installation Process diagram
  1. Prepare Your Space: Ensure there’s enough room under your sink for the system. If your sink doesn’t already have a hole for the included faucet, you’ll need to drill one.
  2. Connect the Hoses: Attach the hoses to your water supply and the RO system. The included hoses and adapters make this step relatively simple.
  3. Install the Faucet: The system comes with a separate faucet for dispensing filtered water. Depending on your countertop material, you may need professional assistance to drill the faucet hole.
  4. Plug It In: The system requires power for its auto-flush and filtration functions. If you don’t have an outlet under your sink, you may need to install one or use a surge protector.
  5. Flush the System: Run water through the filters as per the instructions to ensure they’re clean and ready for use.

Performance and Real-World Usage

Water Quality

One of the most impressive aspects of the VonWater V2-800N is its ability to dramatically improve water quality. Users report:

  • Reduced TDS Levels: Tap water with a TDS level of 480 ppm (parts per million) was reduced to just 70 ppm after filtration.
  • Improved Taste: The coconut-shell activated carbon filter enhances the taste, making it ideal for drinking and cooking.

Flow Rate

With a flow rate of 0.56 gallons per minute, the system delivers water quickly and efficiently. You won’t have to wait long to fill a glass or pot.

Noise Level

The system’s booster pump produces a low hum during operation, which is typical for RO systems. It’s not overly loud and won’t disrupt your kitchen activities.

Pros and Cons

Pros:

  • High-capacity filtration (800 GPD) with a low 2:1 pure-to-drain ratio.
  • Compact, tankless design saves space under the sink.
  • Removes 99.99% of contaminants for safe, great-tasting water.
  • Easy-to-replace filters and built-in maintenance reminders.
  • Certified to NSF/ANSI 372 and EPA standards.

Cons:

  • Installation may require additional adapters or plumbing modifications, depending on your setup.
  • The booster pump produces a low hum, which may be noticeable in quiet environments.
  • TDS reduction, while significant, may still leave some dissolved solids compared to higher-end RO systems.

Final Thoughts: Is the VonWater V2-800N Worth It?

The VonWater V2-800N Reverse Osmosis System is an excellent choice for those who want clean, safe, and great-tasting water without sacrificing under-sink space. Its high-capacity filtration, compact design, and user-friendly features make it a standout option in the world of home water filtration systems.

Whether you’re upgrading from a countertop filter or looking to install your first under-sink RO system, the VonWater V2-800N offers a perfect balance of performance, convenience, and value.

If you’re ready to invest in better water quality for your home, the VonWater V2-800N is a smart choice that delivers on its promises.

9.6Expert Score
Great space saver
The VonWater V2-800N Reverse Osmosis System offers 7-stage filtration, compact tankless design, and 800 GPD capacity for efficient, safe, and great-tasting water. Perfect for modern kitchens, with easy maintenance and high performance.
Filtration Performance
9.5
Space Efficiency
9.5
Ease of Maintenance
9.5
Efficiency and Flow Rate
10
User Experience
9.5
  • Advanced 7-stage filtration removes 99.99% of contaminants
  • High capacity (800 GPD) with low water waste (2:1 pure-to-drain)
  • Compact, space-saving tankless design
  • Easy-to-replace filters with auto-flush for longer lifespan
  • Certified to NSF/ANSI 372 and EPA standards
  • Booster pump emits a low hum during operation
  • Installation may require additional plumbing adjustments
  • TDS reduction, while significant, may not match premium systems
Where to Buy

VonWater V2-800N Reverse Osmosis System, 800GPD

$219.00 $289.99
PRIMEPRIME
in stock
Amazon.com
Amazon price updated: April 16, 2025 3:02 am
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Engr. Jamal
Engr. Jamal

Hi, I’m Engineer Hm Jamal, founder of Green Mark Engineering. With 13 years in the home improvement industry, I’m passionate about creating sustainable, high-quality solutions for homes. My focus is on making your home improvement experience smooth and successful. Whether it’s a renovation or a new project, I’m here to ensure it’s done right.

We will be happy to hear your thoughts

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