Waterdrop G3P600 Review: How Good Is It Actually?

By Last Updated: March 27th, 202411.3 min readViews: 164

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waterdrop g3600 review on amazon
Table of contents
About the Author: Daryl Stubbs
Daryl Stubbs
Daryl Stubbs is a multi-disciplinary health professional, combining his roles as an award-winning athletic therapist, registered massage therapist, and certified holistic nutritionist to offer a comprehensive approach to wellness. Graduating in 2013, Daryl has been recognized as the best massage therapy clinic in Victoria for 2022 and 2023 and has received national athletic therapy awards. He is known for his holistic approach to health, focusing on treating the body as a whole. Clients appreciate his focus on the science of probiotics, supplements, gut health, and the human body, ensuring a well-informed and evidence-based approach to their wellness journey.

Ever since we installed the Waterdrop Reverse Osmosis System in our home, the convenience of instantly having hot and cold purified water on demand has been nothing short of impressive.

It’s not just us—other users also appreciate the tankless design’s space-saving virtues and the ease of getting a drink or prepping meals with better-tasting water.

One of the highlights has been the 5-stage deep filtration system. It’s reassuring to know that the water we drink is stripped of a significant number of contaminants, including PFAS and heavy metals, thanks to the comprehensive filtration process.

That peace of mind when it comes to water quality is something we value highly.

Waterdrop RO System

The system’s display faucet also adds a touch of smart technology to the kitchen, allowing us to monitor TDS levels and filter conditions at a glance.

The safety features, including child lock and scalding prevention, show that Waterdrop indeed prioritizes user safety. However, do be mindful of the ongoing costs; replacement filters are a necessary investment for maintaining water purity.

Bottom Line

For those ready to upgrade their water consumption experience with a solid dose of convenience and quality, the Waterdrop Reverse Osmosis System may just be what you need. Our experience with it certainly makes us want to stick to the refined hydration it offers.

You deserve the assurance of a high-quality water purification system in your own home. Take a look at the Waterdrop Reverse Osmosis System on Amazon and see how it can make a difference in your water intake.

Overview of the Waterdrop Reverse Osmosis Instant Hot Water Dispenser

From our kitchen to yours, let’s talk about the Waterdrop KJ-600, a nifty device that’s been a real game-changer in our daily water consumption habits.

We’ve come to appreciate how seamlessly it integrates water purification with heating, which saves us the hassle of multiple gadgets under our sink.

Getting both cold and hot water on demand, we’ve found ourselves effortlessly making teas or cooking soups straight from the tap.

Being able to adjust the temperature between 104℉-203℉ is incredibly convenient, although we did notice that the actual temperature can be influenced by other conditions, such as the weather or the cup we’re using.

We’ve grown to trust its 5-stage filtration system that’s pretty thorough, reducing substances like PFAS, fluoride, and heavy metals. It’s reassuring to know that each sip is as pure as it gets, and with a high flow rate, waiting time is practically nonexistent.

The smart faucet comes with a TDS indicator and a child lock feature, which is thoughtful for households with little adventurers. Plus, it looks sleek and modern, adding a touch of sophistication to our kitchen.

We’ve had to remember to set the temperature in advance for instant hot water, but that’s become second nature now.

Our eco-friendly side appreciates the 2:1 pure to drain ratio, cutting down on water waste. Although, we brace ourselves for the annual cost of filter replacements—worth it for the quality but still something to consider.

Heating Function

After a recent run-in with the Waterdrop RO Hot Water Dispenser, we’ve gathered some thoughts on its heating capabilities.

One thing’s for sure, it doesn’t disappoint when it comes to delivering hot water on demand. Whether we needed a quick cup of tea or were prepping for our morning pour-over, the heating feature was both fast and efficient.

What we appreciate about this system is how it seamlessly integrates into our routine. Given that it installs neatly under the sink, it’s as if there’s an invisible barista handing out perfectly heated water whenever we need it.

The smart LED faucet adds a touch of modernity, too—indicating when the water’s hot and ready to go.

Now, in terms of performance, keep in mind that while it’s great at providing instant hot water, it’s still an appliance, not a miracle worker.

There are times when we experience a slight delay before the hot water flows, but this is usually a brief pause, more a matter of seconds, not minutes.

And yes, it does its job while being economically friendly, adhering to a 2:1 pure-to-drain ratio, which is a thoughtful touch for water conservation.

To sum up, this heating function is a dependable convenience that feels tailor-made for our busy lives. It’s just another reason we’ve grown quite fond of this nifty kitchen addition.

5-Stage Deep Filtration

We’ve all heard about the importance of clean water, and this is where the Waterdrop shines.

It uses a thorough 5-stage filtration process that really seems to do the job. Our experience with it revealed that it’s adept at reducing unwanted substances from the water – the clarity and taste were noticeable from the first use.

The system includes a carbon block and a reverse osmosis membrane, which are commonly known for getting rid of a wide range of contaminants. Adding to its effectiveness, there are additional layers of filtration, such as the pp cotton.

It was reassuring to see that despite this extensive filtration process, the flow rate remained high with 600 gallons per day capacity, which meant we didn’t have to wait around for our glasses to fill up.

Some users may be concerned about waste water, but this unit has a pure to drain ratio of 2:1, which is quite efficient for a reverse osmosis system. It’s also tankless, which frees up space and ensures fresh water on demand.

While we enjoyed the crisp taste of the water, during our tests, we noted the need for periodic maintenance to ensure peak performance.

Regularly changing the filters is vital, but thankfully, the smart LED faucet signals when it’s time for a filter change, which simplifies upkeep.

Overall, we can’t deny the impressive quality of the water produced. Despite the equipment’s complexity, actual day-to-day use feels simple and straightforward.

Smart Display Faucet

When we started using the Smart LED Faucet, the convenience factor was immediately apparent.

Its ability to display real-time data like the TDS level (total dissolved solids) and the filter’s condition is nothing short of impressive. We no longer had to guess when to change filters or question the quality of the water we were drinking.

The safety features, such as the child lock and temperature indicators, brought peace of mind, especially with children around.

It’s not just about preventing accidental scalding; it’s the thoughtful design that caters to family safety and usability.

Now let’s talk temperature control. We enjoyed the versatility of having both hot and cold water at our fingertips – perfect for a quick cup of tea or prepping meals.

The process is slick. Set your desired temperature, and, without any wait time, the water is ready. But remember, your cup’s initial temperature and the room’s ambient conditions may cause some variance.

While using the device, the smart faucet felt sturdy and well-crafted. The materials were clearly high quality, with a nice finish that didn’t just resist color change and oxidation but also looked sleek in the kitchen setup.

Admittedly, no product is flawless. We’ve found the lack of the ability to connect to a refrigerator or ice maker might be a drawback for some.

Furthermore, while the smart faucet is robust, the reliance on the correct installation and occasional maintenance checks keeps it performing at its best.

Safety Features

When we got our hands on the Waterdrop KJ-600, the safety enhancements were immediately noticeable.

The smart LED faucet, for instance, comes with a child lock feature, which adds a layer of security for households with curious little ones. No more worries about accidental scalds or spills.

One aspect that stood out to us was the temperature adjustments available through the faucet display, significantly reducing the risk of burns by allowing us to set a preferred temperature for the hot water.

The system also wisely integrates an overheating protection function, preventing the unit from dry burning – a thoughtful touch.

Surprisingly, the KJ-600 manages to dispense hot water almost instantly, yet it’s equipped with anti-scalding cotton within the system.

This shows Waterdrop’s attention to detail in ensuring that the heat doesn’t become a safety hazard, especially when we have to drain hot steam.

Finally, considering the high-quality construction of the faucet—boasting oxidation resistance and a lower propensity to trigger allergies—we’ve found that our daily use feels secure with Waterdrop’s careful choice of materials.

Water Efficiency

We’ve been hands-on with the Waterdrop Reverse Osmosis Hot Water Dispenser, and we’ve found the water efficiency to be remarkable for such a high-output system.

With a tankless design, it saves space under the sink and also provides a 2:1 pure to drain ratio, which means for every gallon of clean water, only half a gallon is wasted.

In practical terms, this is significantly less wasteful compared to other models we’ve tested.

While some reverse osmosis systems can be slow, this dispenser has an impressive 600 gallons per day capacity, demonstrating prompt access to clean water without waiting ages for a full tank, which is a real plus in our busy lives.

Users have expressed appreciation for the volume of water processed with minimal waste, backing up our experience with a general consensus that this is a standout feature of the Waterdrop system.

When considering the environmental impact and utility costs, this system strikes a fine balance, making us feel more responsible about water consumption without compromising on performance.

Pros and Cons


Having recently tried out the Waterdrop RO System, we’ve noticed several benefits that definitely deserve attention.

  • Convenience at Its Best: We were quite impressed by the instant hot water feature with adjustable temperatures ranging from 104℉ to 203℉, which comes in handy for making beverages or cooking.
  • Save Time and Water: With a rapid water flow rate and a 2:1 pure to drain ratio, we found it delivers water quickly and efficiently, lessening the guilt of water wastage.
  • Thoughtful Safety Features: The smart faucet is a standout, with its child lock and clear display of TDS levels and filter condition helping us to keep safety in check.
  • Impressive Filtration: The system doesn’t just talk a big game—it effectively reduced numerous contaminants, including TDS, PFAS, fluoride, and heavy metals, which noticeably improved the taste of our drinking water.
  • Sturdy and Stylish Design: The faucet’s stainless steel bright nickel plating resists color change and corrosion, pairing nicely with our kitchen décor.


However, in the spirit of transparency, there are some considerations we believe potential users should be aware of.

  • Investment in Filters: We noticed that keeping the water quality high will mean investing over $150 annually in replacement filters for a small household, an added cost to consider.
  • Temperature Influenced by External Factors: Although it heats up water quickly, external factors like weather and the initial temperature of the cup can affect the final temperature, which took us some tweaking to get right.
  • Installation Specifics: We want to mention that the system must be connected to a cold water pipe and is not compatible with refrigerators or ice makers, which might limit its use for some.
  • Learning Curve: Setting the Desired Temperature: We learned that you have to preset the temperature before use, and there’s a bit of a learning curve to understand the system’s features and controls.

Customer Reviews

We’ve been keeping an eye on what people are saying about this RO system, and it’s clear that users are enjoying the pure taste of the water it provides.

The consensus is that installation is a breeze, and it doesn’t disappoint in adding convenience to daily life.

While some folks are delighted with the sleek design and precision, others appreciate the efficiency of the filter change process, noting it’s a tidy affair with no spillage.

However, we did run across a few mentions about the cost of replacement filters, with a gentle reminder that for a smaller family, those costs can add up over time.

It’s a good thing to keep in mind when you’re considering the long-term maintenance of the system.

We’ve also seen several comments highlighting that the water quality is excellent even without the additional remineralization filter.

Some users prefer the ‘texture’ of water with it, though. A few users pointed out the versatility of the product, like its compatibility with certain water treatment centers, and the fact that the replacement process is quick and painless.

As of now, the Waterdrop has a pretty solid rating on Amazon, reflecting a strong customer satisfaction. But as with any product, we believe it’s crucial to weigh both the perks and the costs before making a decision.


In our testing, we found the Waterdrop RO system to be a robust addition to any kitchen.

With its high daily capacity and efficient water conservation, it’s clear why this solution has resonated well with users.

The instant hot water feature is a game-changer for our busy mornings, and we appreciate the reduced environmental impact thanks to the 2:1 pure to drain ratio.

However, it’s important to consider the ongoing costs of replacement filters, which can add up over time.

We encountered no issues with water spillage during filter changes, reflecting the thoughtful design of the product.

The water’s taste, even without the remineralization filter, was pleasantly pure, but for those of us who are particular, the texture improved when using the filter.

Despite these perks, we’re mindful of the investment involved and advise potential buyers to weigh the convenience and quality against the maintenance expense.

For our part, we enjoy knowing that our drinking water is clean and readily available both hot and cold.

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