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Plug and play:This countertop reverse osmosis system can be used directly through sockets in your
kitchen, bedroom, office, or even RV, with no installation or drilling required. If you are renting a home, this
RO system is unquestionably the best option.
Note: This RO system needs to be powered on to be used. - V-type heating technology Thanks to its superior filtration capacity and innovative heating technology, this reverse osmosis system K19-H can dispense hot water in 1 second and cannot produce limescale. Furthermore, because of its instant heating design, this system avoids reboiling, ensuring that every cup of water is pure and fresh.
- Custom water temperature&adjustable volume This instant hot water filter system comes with four volume options including 8 oz, 12 oz, 16 oz and 20 oz and can stop dispensing water once it reaches selected volume. This RO water filtration system K19-H not only comes with 4 temperature options (room temperature, 113℉, 185℉ and 203℉), but also allows temperature adjustment in the range of 122℉-194℉ at an interval of 9℉, meeting demands for water at different temperatures.
- 4-stage deep filtration & UV light Its 3-in-1 filter of this RO instant hot water dispenser is paired with a UV light and can effectively reduce TDS, chromium, PFAS, fluoride, arsenic, salt, heavy metals, nitrate, particles, chloride and other harmful substances through layer-by-layer fine filtration, ensuring every drop is purified.
- Smart design This instant hot water reverse osmosis system features an easy-to-use operating panel and a smart screen which displays the temperature, water volume, water filtration, flushing states, water quality, and UV light work states, and it also comes with a plateau mode. Additionally, this countertop RO system is equipped with a water shortage and dry burning reminder and a child lock to ensure the safety of you and your family.
- Saving more The K19-H countertop water filter system has an impressive 3:1 drain ratio, which reduces water consumption via a drainage recycling technology. Because of its 170 oz high-capacity water tank, frequent water refilling is avoided, and feed water and waste water can be separated. Furthermore, this composite filter only needs to be replaced once a year, saving you both time and money.
Model number
WD-K19
Pure to Drain Rte
3:1
Daily Production Rate
75 GPD
Feed Water Temperature
Feed Water Temperature
Output Water Temperature
41-203°F/5-95°C
Water Tank Capacity
170 Oz
Filter Lifespan
12 Months
Power
1640W
Dispenser Voltage
110-120V
Rated Frequency
50/60 Hz
Feed Water Requirement
Municipal Tap Water
Feed Water TDS Level
TDS < 500
Warranty
1 Year
Dimensions(inch)
15.51" * 9.2" * 17.56"
How many degrees of hot water can be provided by this water filter system?
Do I need to drill a hole on my countertop by use of this product?
Can this water filter system reduce fluorides?
Does this system have a UV sterilization function?
How often should I replace the filter?
Can I use this water filter system on an RV?











![]() G3P600 RO System |
![]() G3P800 RO System |
![]() K6 Instant Hot RO System |
![]() G2P600 RO Filtration System |
![]() K19 Countertop RO System |
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Need Installation | √ | √ | √ | √ | × |
---|---|---|---|---|---|
Flow Rate | 600 GPD | 800 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.
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Faucet | Smart faucet | Smart faucet | Smart faucet | / | |
Display | Filter lifespan & TDS | Filter lifespan & TDS | Filter lifespan & TDS & Temperature adjustment | Filter lifespan | Filter lifespan & TDS |
Self-clean | √ | √ | √ | × | √ |
Holiday mode | √ | √ | √ | × | √ |
Electricity Required | √ | √ | √ | √ | √ |
Filter Cartridges |
WD-G3-N1CF WD-G3P600-RO WD-G3-N3CB |
WD-G3-N1CF WD-G3P800-RO WD-G3-N3CB |
WD-KJF |
WD-G2CF WD-G2P6MRO |
WD-K19RF |
Filter Lifespan | CF-6 Mths CB-12 Mths RO-24 Mths |
CF-6 Mths CB-12 Mths RO-24 Mths |
12 Mths | CF-12 Mths P6MRO-24 Mths |
WD-A1-CF: 6 Months
WD-A1-RO: 12 Months |
Dimensions (inch) | 18.11*5.67*17.73 | 18.06*5.65*17.75 | 6.7*17.5*16.6 | 17.32*5.91*13.9 | 13.8*7.9*16.3 |

- Provides you with 12 months or 1,000 gallons of clean filtered water.
- Replace the water filter in 3 seconds with a single twist. No tools are required.
- Reduce most contaminants and improves the taste of water.