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Waterdrop Instant Hot Water Dispenser, Reverse Osmosis System, K6

Waterdrop SKU: WD-K6-W
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Regular price $79900
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Orders Processing: We offer fast and reliable shipping across the continental U.S., with free shipping available on orders over $200 (exclusions may apply based on brand and product type). Orders are typically processed within 1–2 business days and transit time is 4–8 business days. Larger items may ship via freight and require a scheduled curbside delivery. Please ensure your contact details are accurate at checkout. For questions about delivery timelines, shipping eligibility, or special requests, feel free to contact us directly.

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Waterdrop K6 RO for Instant Hot Filtered Water

The Waterdrop K6 combines a 600 GPD tankless reverse osmosis system with on demand hot and ambient water. A smart faucet provides temperature selection, TDS information, and filter life status.

Best suited for: Kitchens that want filtered ambient water plus instant hot water for tea, coffee, cooking, and other daily uses from one dedicated faucet.

Why choose this system

Choose the K6 when integrated water heating is the priority. It combines filtration, temperature control, and dispensing without a separate countertop kettle.

How this benefits your home

  • Filtered hot water directly from the faucet: On demand temperatures from 104°F to 203°F streamline tea, coffee, food preparation, and other hot water tasks.
  • Cleaner tasting, lower TDS water: Five stage reverse osmosis filtration supports a more refined supply for hot and ambient drinking water.
  • Less waiting at the sink: The 600 GPD capacity supports responsive filling for everyday household use.
  • Reduced water waste: The 2:1 pure to drain ratio produces two parts filtered water for each part of wastewater.
  • Helps manage scale inside the hot water path: Built in scale inhibition supports reliable heating performance and helps reduce scale related maintenance.
  • Smarter maintenance spending: Filter life status helps owners replace the KJF cartridge when needed instead of too early.
Waterdrop Instant Hot Water Dispenser, Reverse Osmosis System, K6WD-K6-W product details

Specifications

Model WD-K6-W
Rated capacity 600 GPD
Filtration 5 stages
Water temperature 104°F to 203°F
Pure to drain ratio 2:1
Filter WD-KJF
Certification NSF/ANSI 372
Electricity required Yes

Installation and ownership

Plan for power, a dedicated faucet, feed water and drain connections, and cabinet clearance. The recommended KJF filter service interval is up to 12 months. Actual life varies with water quality and use. Follow all hot water safety instructions in the owner manual.

Product video

Manuals and technical documents

Frequently asked questions

What makes the K6 different from a standard under sink RO system?

The K6 combines 600 GPD reverse osmosis filtration with on demand ambient and hot water from the dedicated faucet.

What temperature range is available?

The hot water setting range is listed from 104°F to 203°F.

Does the K6 require electricity?

Yes. A nearby electrical outlet is required for the pump, controls, and water heating function.

What does the 2:1 drain ratio mean?

Under the rated conditions, the system produces about two parts filtered water for every one part concentrate sent to the drain. Actual performance varies with source water and use.

Which replacement filter does it use?

The K6 uses the integrated WD-KJF replacement filter, with listed service guidance of up to 12 months depending on water quality and use.

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