Why Choose the Waterdrop K6 RO System?
Experience the pinnacle of water purification with the Waterdrop K6 Under-Sink Reverse Osmosis Filter System, complete with a sleek, modern Smart Touch LED Faucet. Designed to go beyond the traditional under-sink RO systems, the K6 brings together advanced water filtration, intuitive technology, and minimalist design. It combines powerful 5-stage reverse osmosis filtration with instant hot water functionality, all housed in a compact, tankless unit. Whether you're upgrading your kitchen or seeking a cleaner, more efficient way to enjoy purified water, the Waterdrop K6 offers a seamless blend of performance, convenience, and style.
Instant Hot Water On Demand
The tankless RO water filtration system provides a quick and stable water flow of 600 GPD/2,271 L and a high hot water flow rate of 0.4 gal/min, making it possible to fill a cup within seconds. With a drain ratio of 2:1, the RO water filter system efficiently saves water without compromising performance.
Need Help Choosing?
Not sure if this is the right Waterdrop Filter system for your kitchen or household?
Powerful 5-Stage Filtration for Pure, Safe Water
With a comprehensive 5-stage deep filtration setup, the K6 effectively reduces TDS, chromium, PFAS, fluoride, arsenic, salt, heavy metals, nitrate, particles, chloride, and other detrimental elements.
Trusted Globally
Used Across Europe and the US
No More Bottled Water
Clean Water, Cleaner Planet
Reverse Osmosis
Pure Water at Your Fingertips
Manufacturers Warranty
Purchase with Confidence
Instant Hot Water On Demand
Ideal for preparing tea, baby formula, coffee, or cooking, the K6 RO water filter system allows temperature adjustment from 40-95℃.
*Please keep in mind that external factors, such as weather and cup temperature, can affect the water temperature.
Smart LED Faucet with Touch Display
The K6 smart faucet is skilfully manufactured with a stainless-steel bright nickel plating process, ensuring resistance to colour alteration, oxidation, and low allergy. Designed for durability, the enhanced Teflon tube is heat-resistant up to 500℉/260°C, offering many advantages including corrosion resistance, pressure resistance, wear resistance, aging resistance, and low permeability.
Efficient & Eco-Friendly Performance
With a 600 GPD (2,271 L) capacity and a hot water flow rate of 0.4 gal/min, this RO water filter quickly fills a cup in seconds and and uses water efficiently with a 2:1 pure-to-drain ratio without compromising performance.
No Limescale - Extended Lifespan
The Waterdrop K6 reverse osmosis system does not build up limescale because of its advanced 5-stage filtration process, which effectively removes minerals like calcium and magnesium—the primary culprits behind limescale formation. In standard systems, these minerals can accumulate inside pipes and components, especially when exposed to heat, leading to scale build-up over time. However, the K6’s RO membrane filters out these hardness minerals before they ever reach the system’s internal pathways, including the instant heating unit. This ensures the K6 stays clean internally, reducing maintenance needs and extending its lifespan.
See the K6 in Action
The K6 gives you the flexibility to customise the temperature within a range of 40-95°C. Ideal for tea, coffee, soups, oatmeal or any other household tasks. you need it for such as preparing soups, brewing instant coffee, making tea.
Can I use my own faucet with this system?
No. This system is designed to work exclusively with its smart faucet. For full functionality and control, it must be installed with the included faucet.
What heating temperature settings are available?
You can customise the heating temperature anywhere between 40°C and 95°C. Simply press the “△” button to adjust in 1°C increments, or hold it down for quicker changes.
Is it easy to replace the filter in the Waterdrop K6 Instant Hot RO System?
Yes, it’s designed for convenience. The twist-and-pull filter design lets you replace the filter quickly—no need to turn off the water supply or power.
Can I connect the system to an MNR remineralisation filter?
Yes, the system is compatible with an MNR remineralisation filter. Just note that it should only be connected to the cold water line.
Warranty Information
- 12 Months
What's Included
Everything you need is included with your product.
- K6 reverse osmosis system
- Smart faucet
- Feed water adapter 3/8”-1/2”
- 4 x 1.5m tubing (inlet/drain-pure water/hot water (colour coded)
- 6 x Lock clips
- Drain saddle
- Teflon tape
Full Specification
| Model Number | WD-K6-W(Also named as WD-KJ-600) |
| Item weight | 31.9 pounds |
| Dimensions | 18" x 17" x 7" inches |
| Maximum daily capacity | 600 GPD |
| Feed water pressure | 14.5-87 psi/0.1-0.6MPa |
| Hot water temperature | 104-203°F/40-95°C |
| Faucet | Smart LED faucet |
| Feed Water Requirement | Municipal tap water |
| Faucet appearance | Brushed nickel |
