Yes, it can be connected with an MNR remineralization filter for use, but the MNR filter can only be connected to a cold water pipe.
Waterdrop K6 Refurbished Instant Hot RO System
$96.59
Free shipping within 3 days
Easy returns within 30 days
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Model number
WD-K6-W(Also named as WD-KJ-600)
Product dimensions
18 x 17 x 7 inches
Item weight
33.06 pounds
Maximum daily capacity
600 GPD
Feed water pressure
14.5-87 psi/0.1-0.6MPa
Feed water temperature
41-100°F/5-38°C
Hot water temperature
104-203°F/40-95°C
Faucet
Smart LED faucet
Feed Water Requirement
Municipal tap water
Faucet appearance
Brushed nickel
In the box
System*1, Feed water adapter 3/8”-1/2”*1 and Inlet water tubing*60”, Pure water tubing*60”, Hot water tubing*60”, Smart faucet*1, Drain water tubing*60”, Lock clip*6, Drain saddle*1, Teflon tape*1
Can the system be connected with an MNR remineralization filter for use?
Can the system be connected with a UV water sterilizer?
Yes, it can be connected with a UV water sterilizer, but the UV water sterilizer can only be connected to a cold water pipe. And it requires an extra power plug (UV requires extra power).
Can the K6 system be connected to a refrigerator or an ice maker?
No, it cannot be connected to a refrigerator or an ice maker.
Does Waterdrop K6 instant hot Reverse osmosis system waste a lot of water?
No. The pure to drain ratio of this system is 2:1. For every two cups of pure water you get, only 1 cup of wastewater is produced.
How often should I change reverse osmosis instant hot water filters?
The lifespan of the composite filter is 12 months or 1,600 gallons. The color change on the system and faucet can indicate the lifespan status of the filter.
Is it convenient to replace the filter of Waterdrop K6 instant hot Reverse osmosis system?
Yes. The system adapts the twist-and-pull filter design. The filter can be replaced directly without shutting off the water source or power supply.
Can this system use my own faucet?
No,you cannot use your own faucet, the machine must be controlled with its own unique faucet.
What size hole would I need to drill to install the faucet in my sink?
It’s recommended to drill a hole of 1″. If there’s a reserved hole for the soap dispenser on your countertop, you could use that to install the RO faucet directly. In addition, we have included a sticker in the package, which could be used as a reference while drilling the hole.Remember to wear safety glasses to protect your eyes while drilling the faucet hole.
Is Waterdrop K6 instant hot Reverse osmosis system noisy?
No. The system works very quietly, and you will hardly hear any noise.
Can I immediately get hot water after setting the temperature?
After you set the desired temperature and the light indicating a heating status goes out, you can take the hot water for drinking, and the faucet will display the temperature of dispensed water. It only takes about 15 min to heat water from room temperature to 203℉, and please wait patiently.
Please set desired temperature in advance. When the dispenser starts heating, you can get hot water directly without waiting. There can be external factors that will ultimately affect the temperature of water, including weather, temperature of cup.
How do I start the heating function to get hot water after installing the system?
To guarantee the safety, please manually turn on a heating switch on the system after flushing when the system is used for the first time, then, adjust the temperature by pressing a “△” key and a “▽”key on the faucet or system, and you can get hot water after the light indicating the heating status goes out.
Can I turn off the heating module when heating is not required?
Yes. All that is required is to turn off the heating switch on the system, and turn on it again when the heating function is required.
How many modes of heating temperatures can I set?
The heating temperature can be set as you wish in the range of 104-203 ℉. Press the “△” key to adjust the temperature at an interval of 1 ℉, and hold the “△” key to rapidly adjust the temperature.
Is Waterdrop K6 instant hot Reverse osmosis system safe?
Yes. The K6 product adopts comprehensive safe design and comes with child lock and water dispensing temperature indication. The system is also built with a flowmeter, NTC and a heating overtime protection function to prevent dry burning of water.
Hot steam of the tank is drained from the drain pipe, and the system is designed with anti-scalding cotton to avoid scalding.
At Waterdrop, we know that access to clean and safe drinking water is essential for everyone’s health and well-being. That’s why we are committed to providing you with affordable and dependable options for your water filtration needs.
Why Opt for the Refurbished K6 RO System?
Cost-effective
Waterdrop refurbished K6 RO system is priced significantly lower than new ones. You can save up to 30% or more by purchasing a refurbished RO system from us.
High-quality Standards
We have taken great care in inspecting and sanitizing each machine to ensure they meet our high-quality standards. You can rest assured that every machine has been repackaged to look and perform like new.
Environmentally Friendly
By purchasing a refurbished RO system, you are contributing to a more sustainable future by reducing waste and minimizing the impact on the environment.
Fully Functional
Our pre-owned RO systems are not only fully functional, but they also have the same high-performance capabilities as a new system. You can trust that you are purchasing a reliable product that has been inspected, cleaned, and serviced to meet our rigorous standards. Additionally, all filter elements have been replaced with new ones, giving you the peace of mind to use them with confidence.
1-year Warranty
We provide a 1-year warranty with each refurbished G3P800 RO system that we sell, giving customers peace of mind and protection against any unforeseen issues.
Waterdrop is committed to providing our customers with exceptional value for their money. Our refurbished RO systems are no exception, and we stand behind their quality with our rigorous inspection and sanitation processes. You can trust that you are making a smart choice for your wallet and the environment when you purchase a refurbished G3P800 RO system from us.
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5-stage Filtration, Crisper Taste
The K6 RO system adopts a 5-in-1 integrated filter, which can effectively reduce multiple harmful substances.
No Limescale, Long-effect Operation
The system cannot form limescale inside, which reduces users’ trouble of liner cleaning.
Instant Hot Water at Any Temperature
One RO system can meet your demands for hot water at different temperatures without other heating water dispensers.
Please Note:
1. After the system is installed for the first time and is flushed, please manually turn on the heating module for temperature setting. In a flushing status, the heating indicator is not available.
2. The system can be connected with an MNR remineralization filter for use, but the MNR filter can only be connected to a cold water pipe.
3. The system cannot be connected to a refrigerator or an ice maker.
High-end Smart Touch Display Faucet
The smart faucet allows you to get the water temperature and TDS level at a glance，bringing smart and convenient life experience.
*The number 006 on the screen doesn’t represent the final TDS level, which may vary based on the quality of your raw water
 |  G3P800 RO Filtration System
|  K6 Instant Hot RO System
|  D6 RO Filtration System
|  G2P600 RO Filtration System
|  K19 Countertop RO System
| |
| Need Installation | √ | √ | √ | √ | √ | × |
|---|---|---|---|---|---|---|
| Flow Rate | 600 GPD | 800 GPD | 600 GPD | 600 GPD | 600 GPD | 75 GPD |
Pure to Drain Rate Drain ratio stands for the ratio of wastewater and purified water dispensed by a RO system. For example, the 3:1 drain ratio means it uses up a gallon of wastewater for every 3 gallons of pure water you get. |  |  | | | | |
| Faucet | Smart faucet | Smart faucet | Smart faucet | Smart faucet | Ordinary faucet | / |
| Display | Filter lifespan & TDS | Filter lifespan & TDS | Filter lifespan & TDS & Temperature adjustment | Filter lifespan & TDS | Filter lifespan | Filter lifespan & TDS |
| Self-clean | √ | √ | √ | √ | × | √ |
| Holiday mode | √ | √ | √ | √ | × | √ |
| Electricity Required | √ | √ | √ | √ | √ | √ |
| Filter Cartridges | WD-G3-N1CF | WD-G3-N1CF | WD-KJF | WD-D6RF | WD-G2CF | WD-K19RF |
| Filter Lifespan | CF-6 Mths CB-12 Mths RO-24 Mths | CF-6 Mths CB-12 Mths RO-24 Mths | 12 Mths | 12 Mths | CF-12 Mths P6MRO-24 Mths | 12 Mths |
| Dimensions (inch) | 18.11*5.67*17.73 | 18.06*5.65*17.75 | 6.7*17.5*16.6 | 15.98*5.98*11.97 | 17.32*5.91*13.9 | 13.8*7.9*16.3 |
WD-KJF Filter for Waterdrop K6 Reverse Osmosis Instant Hot Water Dispenser System
- Adaptive to Waterdrop K6-W&KJ-600 Instant Hot RO System provides up to 12 months or 1,600 gallons of healthy water for you and your family.
119.00
Total price: 119.00
Total price: 119.00
Remineralization Filter for All Series Waterdrop Reverse Osmosis Systems-Waterdrop MNR35
- An excellent add-on Remineralization filter adopts 18 natural materials to restore minerals.
- Saves 8300 single-used bottles and $12600 spent on bottled mineral water.
- Compatible with RO water system, undersink filtration systems and refrigerator.
29.99
Total price: 29.99
Total price: 29.99
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