If you’re considering a high-performance reverse osmosis (RO) water filtration system, the KOVIET U1 Pro Reverse Osmosis System might be on your radar. With 800 gallons per day (GPD) capacity, a tankless design, and an advanced 10-stage filtration system, this under-sink unit promises clean, purified water without the wait. But how well does it actually perform? In this review, we’ll explore its functionality, dimensions, portability, pros, and cons to help you decide if it’s the right fit for your home.
Key Specifications
- Model: KOVIET U1 Pro
- Filtration Technology: Reverse Osmosis (RO), 10-stage filtration
- Capacity: 800 GPD (gallons per day)
- Tankless Design: Yes
- Filter Lifespan: Varies by stage; typically 6-24 months
- Wastewater Ratio: 2:1 (two parts clean water per one part waste)
- Faucet Included: Yes, with LED filter life indicator
- Dimensions: Approx. 18 inches (H) x 16 inches (W) x 6 inches (D)
- Weight: Approximately 25 pounds
- Authoritative Certification & Deep Purification：Approved by authoritative NSF/ANSI 42&58, reduce TDS, removal contaminant, heavy metals and other dissolved pollutants. Accuracy up to 0.0001 micron, while meeting EPA standards to provide ultra-pure water
- 10-Stage Filtration for Safe Drinking：Reverse osmosis water filter composite dual core, 10-stage filtration. Tested by laboratory (SGS), effectively reduce particulate matter, chloride, and radioactive substances in tap water ensure the health of drinking water
- Efficient High-Flow Water Supply：Upgraded 800GPD reverse osmosis system, the flow rate is greater than 0.6gal/min, get purified water in just 5 seconds per glass and produce up to 4000L, 3:1 Wastewater Ratio, offering a smart, sustainable alternative to bottled water
- Dual-Outlet Smart Faucet：Choose between ultra-pure or mineral water with a dual-outlet faucet. Under sink water filter with LED intelligent display, visualized TDS value, Bring you a worry-free and smart experience
- Expert USA-Based Support: Receive a 1-year warranty and lifetime phone support. Our expert team is available Monday through Friday from 9 am to 5 pm PST, with 24/7 email assistance, ensuring continuous support whenever you need it
How Does It Work?
The KOVIET U1 Pro operates using a 10-stage reverse osmosis filtration system, which removes 99.9% of contaminants, including chlorine, heavy metals, bacteria, viruses, and harmful chemicals. Unlike traditional RO systems with bulky tanks, this tankless unit filters water on demand, providing a steady flow without taking up excess space under your sink.
Click Here To Buy This ProductOne standout feature is its high flow rate, capable of producing 800 gallons per day—perfect for larger households or those who consume a lot of purified water. With a 2:1 wastewater ratio, it is also more efficient than older RO models, reducing water waste while maintaining top-notch filtration quality.
Installation and Ease of Use
Setting up the KOVIET U1 Pro is fairly straightforward, even if you’re not particularly handy. It comes with all the necessary hoses, connectors, and an LED faucet, which alerts you when it’s time to replace the filters. Most users can complete the installation within 30-60 minutes, with only basic tools required.
Since it’s a tankless system, there’s no need to worry about cleaning or replacing a storage tank. Simply install it under your sink, and you’re ready to enjoy continuous, high-quality drinking water.
Portability and Space Considerations
At approximately 18 inches tall and 16 inches wide, this unit is compact enough to fit under most standard kitchen sinks. Its sleek, tankless design means it takes up less space than traditional RO systems, leaving more room for storage.
However, with a weight of 25 pounds, it’s not something you’ll want to move around frequently. Once installed, it’s designed to stay in place, making it best suited for permanent home use rather than portable applications like RVs or camping setups.
Pros and Cons Of The KOVIET U1 Pro Reverse Osmosis System
Pros:
✅ High Filtration Capacity – Produces 800 gallons per day, making it ideal for large households.
✅ Tankless Design – Saves space and provides fresh water on demand.
✅ 10-Stage Filtration – Removes 99.9% of contaminants, including heavy metals, bacteria, and chemicals.
✅ Lower Water Waste – 2:1 clean-to-wastewater ratio, more efficient than older RO models.
✅ Fast Flow Rate – No need to wait for a storage tank to refill.
✅ LED Faucet Indicator – Alerts you when filters need replacing, ensuring consistent water quality.
✅ Easy Installation – Comes with all necessary parts and is user-friendly for DIY setup.
Cons:
❌ Higher Initial Cost – More expensive upfront than basic RO systems.
❌ Not Portable – Once installed, it’s meant to stay under the sink and isn’t suitable for travel or temporary setups.
❌ Requires Filter Replacements – While maintenance is minimal, you’ll need to replace different filters every 6-24 months, depending on usage.
Who Should Buy the KOVIET U1 Pro?
This RO system is perfect for households that prioritize high-quality, purified water without sacrificing space. It’s especially well-suited for:
- Families with high water consumption – Its fast flow rate ensures you never run out of filtered water.
- Health-conscious individuals – The 10-stage filtration system removes nearly all harmful contaminants.
- Homeowners with limited under-sink space – The tankless design makes it a space-saving alternative to traditional RO units.
- People who want a set-it-and-forget-it system – With LED filter indicators and long-lasting filters, maintenance is minimal.
However, if you’re on a tight budget or need a portable water filtration solution, this system may not be the best fit. In that case, a smaller countertop filter or portable RO unit might be a better option.
Final Verdict: Is It Worth the Investment?
The KOVIET U1 Pro Reverse Osmosis System is an excellent choice for those who want high-quality, purified water with a modern, space-saving design. Its powerful 10-stage filtration, fast flow rate, and tankless efficiency make it a top-tier option for home use.
While it requires an initial investment, the long-term savings on bottled water and minimal maintenance costs make it a smart choice for families and health-conscious individuals. If you value clean, great-tasting water without the bulk of traditional RO systems, this under sink model is definitely worth considering!