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The first-to-market Reverse Osmosis system with heating function. Waterdrop K6 water filter system integrates water purification and heating, meets various temperature demands and breaks through a conventional under sink RO water purification mode; it has a high capacity of 600 GPD (gallons per day) and a high hot water flow rate of 0.4 gal/min (gallons per minute), meeting your demands for water purification and hot water.
Q: What is the coldest it will dispense?
A: Dear Sharon, Thank you very much for your inquiry. This machine can only distribute room-temperature water for the coldest water. Should you have any further questions, please let us know. Kind regards, Mia Customer Service Rep.
A: It has a tank and you can set the temperature you want
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The first-to-market Reverse Osmosis system with heating function. Waterdrop K6 water filter system integrates water purification and heating, meets various temperature demands and breaks through a conventional under sink RO water purification mode; it has a high capacity of 600 GPD (gallons per day) and a high hot water flow rate of 0.4 gal/min (gallons per minute), meeting your demands for water purification and hot water.

The Waterdrop KJ-600 is the first-to-market tankless reverse osmosis system with an instant hot water function, delivering both hot and cold purified water on demand. With adjustable temperatures from 104℉ to 203℉, it is ideal for coffee, tea, cooking, and daily use. Featuring 5-stage deep filtration with an RO membrane and carbon block, it effectively reduces TDS, PFAS, fluoride, heavy metals, salts, and other contaminants. The system provides 600 GPD fast flow with a 2:1 pure-to-drain ratio, saving water while ensuring efficiency. Its smart display faucet shows TDS levels, filter life, water temperature, and includes a child lock for safety, while built-in protections prevent overheating and ensure reliable performance.

The Waterdrop KJ-600 is the first-to-market tankless reverse osmosis system with an instant hot water function, delivering both hot and cold purified water on demand. With adjustable temperatures from 104℉ to 203℉, it is ideal for coffee, tea, cooking, and daily use. Featuring 5-stage deep filtration with an RO membrane and carbon block, it effectively reduces TDS, PFAS, fluoride, heavy metals, salts, and other contaminants. The system provides 600 GPD fast flow with a 2:1 pure-to-drain ratio, saving water while ensuring efficiency. Its smart display faucet shows TDS levels, filter life, water temperature, and includes a child lock for safety, while built-in protections prevent overheating and ensure reliable performance.

The Waterdrop G3P800 is a tankless under sink reverse osmosis system delivering 800 GPD fast flow with a 3:1 pure-to-drain ratio, certified by NSF/ANSI 42, 53, 58, and 372 for safety and performance. Featuring 10-stage filtration tested by SGS, it effectively reduces TDS, PFAS, fluoride, heavy metals, salts, and other contaminants while providing a cup of purified water in just 5 seconds. Its smart faucet displays TDS levels and water quality at a glance, with a long-lasting LED light that activates automatically with water flow. With a stylish, space-saving design, the G3P800 consistently produces clean, safe water for large families without the need for a storage tank.