--- product_id: 627827679 title: "Waterdrop K19-H Countertop Reverse Osmosis System, Instant Hot, Reverse Osmosis Water Filter Countertop, 3:1 Pure to Drain, 4 Temperature Options Water Dispenser, No Installation Required" brand: "waterdrop" price: "$940.64" currency: USD in_stock: true reviews_count: 9 category: "Waterdrop" url: https://www.desertcart.us/products/627827679-waterdrop-k19-h-countertop-reverse-osmosis-system-instant-hot-reverse store_origin: US region: United States of America --- # 3-second instant hot water 3:1 pure to drain efficiency 6-stage deep filtration Waterdrop K19-H Countertop Reverse Osmosis System, Instant Hot, Reverse Osmosis Water Filter Countertop, 3:1 Pure to Drain, 4 Temperature Options Water Dispenser, No Installation Required **Brand:** waterdrop **Price:** $940.64 **Availability:** ✅ In Stock ## Summary > 💧 Elevate your hydration game with instant purity and style—because waiting is so last decade. ## Quick Answers - **What is this?** Waterdrop K19-H Countertop Reverse Osmosis System, Instant Hot, Reverse Osmosis Water Filter Countertop, 3:1 Pure to Drain, 4 Temperature Options Water Dispenser, No Installation Required by waterdrop - **How much does it cost?** $940.64 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/627827679-waterdrop-k19-h-countertop-reverse-osmosis-system-instant-hot-reverse) ## Best For - waterdrop enthusiasts ## Why This Product - Trusted waterdrop brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Plug & Play Freedom:** No installation or drilling—perfect for renters and busy pros on the move. - • **Ultra-Pure Hydration:** 6-stage filtration slashes contaminants like PFAS, heavy metals, and fluoride for crystal-clear taste. - • **Smart & Safe Operation:** Intuitive touchscreen with child lock, water quality display, and dry burn alerts keeps your flow flawless. - • **Sleek Countertop Statement:** Compact carbon fiber design blends seamlessly into modern kitchens, offices, or even your RV. - • **Instant Hot Water, Zero Wait:** V-type heating tech delivers piping hot water in just 3 seconds—tea time, anytime. ## Overview The Waterdrop K19-H is a countertop reverse osmosis system featuring a 6-stage filtration process that removes a wide range of contaminants, delivering crystal-clear water. It offers instant hot water in 3 seconds via advanced V-type heating technology, supports 4 temperature settings, and operates with a 3:1 pure to drain ratio. Designed for easy plug-and-play use with no installation required, it includes smart safety features like child lock and water quality monitoring, making it ideal for renters, professionals, and anyone seeking premium water filtration with convenience and style. ## Description Reverse Osmosis Water Filter ## Features - [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. Make sure the tank is properly installed and if you have any questions, please contact us - [V-type heating technology] Thanks to its superior filtration capacity and innovative heating technology, K19-H countertop reverse osmosis water filter system can dispense hot water in 3 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 - [6-stage deep filtration] Its 3-in-1 filter of this RO instant hot water dispenser can effectively reduce TDS, chromium, PFAS, radium, fluoride, arsenic, salt, heavy metals, nitrate, particles, chloride and radioactive substances through layer-by-layer fine filtration, ensuring every drop is purified. 𝐍𝐨𝐭𝐞: Reduced flow rate in heating mode is normal and not a quality-related issue - [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 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 RO 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. Please fill the water tank to the maximum mark for water volume it needs to be refilled to increase the utilization rate of water ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B08F7KCMLL | | Best Sellers Rank | #70,123 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #114 in Under-Sink & Countertop Filtration | | Brand | Waterdrop | | Brand Name | Waterdrop | | Capacity | 75 Gallons | | Container Type | Dispenser | | Customer Reviews | 4.2 out of 5 stars 127 Reviews | | Global Trade Identification Number | 00840814178805 | | Included Components | K19-H RO System, Replacement Filters, User Manual | | Installation Type | Countertop | | Item Dimensions L x W x H | 14.2"L x 7.9"W x 15.7"H | | Item Weight | 16 Pounds | | Manufacturer | Waterdrop | | Material | Carbon Fiber | | Material Type | Carbon Fiber | | Model Name | WD-K19-H | | Model Number | WD-K19-HHG | | Other Special Features of the Product | Waterdrop K19-H Countertop Reverse Osmosis System, Reverse Osmosis Water Filter Countertop, 3:1 Pure to Drain, 4 Temperature Options Water Dispenser, No Installation | | Part Number | WD-4396508-1 | | Product Dimensions | 14.2"L x 7.9"W x 15.7"H | | Purification Method | Reverse Osmosis | | Supported Water TDS Level Maximum (PPM) | 500 | | UPC | 840814178805 | | Unit Count | 1.0 Count | ## Product Details - **Brand:** Waterdrop - **Capacity:** 75 Gallons - **Included Components:** User Manual - **Item Weight:** 16 Pounds - **Material:** Carbon Fiber - **Package Information:** Dispenser - **Product Dimensions:** 14.2"L x 7.9"W x 15.7"H - **Purification Method:** Reverse Osmosis - **Supported Water TDS Level Maximum (PPM):** 500 ## Images ![Waterdrop K19-H Countertop Reverse Osmosis System, Instant Hot, Reverse Osmosis Water Filter Countertop, 3:1 Pure to Drain, 4 Temperature Options Water Dispenser, No Installation Required - Image 1](https://m.media-amazon.com/images/I/6130CZ-gCoL.jpg) ![Waterdrop K19-H Countertop Reverse Osmosis System, Instant Hot, Reverse Osmosis Water Filter Countertop, 3:1 Pure to Drain, 4 Temperature Options Water Dispenser, No Installation Required - Image 2](https://m.media-amazon.com/images/I/71vJC7VHr1L.jpg) ![Waterdrop K19-H Countertop Reverse Osmosis System, Instant Hot, Reverse Osmosis Water Filter Countertop, 3:1 Pure to Drain, 4 Temperature Options Water Dispenser, No Installation Required - Image 3](https://m.media-amazon.com/images/I/71sGmHMf34L.jpg) ![Waterdrop K19-H Countertop Reverse Osmosis System, Instant Hot, Reverse Osmosis Water Filter Countertop, 3:1 Pure to Drain, 4 Temperature Options Water Dispenser, No Installation Required - Image 4](https://m.media-amazon.com/images/I/71hcscbQtRL.jpg) ![Waterdrop K19-H Countertop Reverse Osmosis System, Instant Hot, Reverse Osmosis Water Filter Countertop, 3:1 Pure to Drain, 4 Temperature Options Water Dispenser, No Installation Required - Image 5](https://m.media-amazon.com/images/I/71NRj4SPmEL.jpg) ## Available Options This product comes in different **Color** options. ## Customer Reviews ### ⭐⭐⭐⭐⭐ Review *by M***Y on April 21, 2026* ### ⭐⭐⭐⭐⭐ Review *by D***G on December 15, 2025* ### ⭐⭐⭐⭐ Review *by J***G on November 13, 2025* ## Frequently Bought Together - 【Instant Hot】 Waterdrop K19-H Countertop Reverse Osmosis System, Reverse Osmosis Water Filter Countertop, 3:1 Pure to Drain, 4 Temperature Options Water Dispenser, No Installation - Waterdrop WD-K19RF Filter, Replacement for WD-K19-S and WD-K19-H Countertop Reverse Osmosis System, 12-month Lifetime - 2024 All-New 4 in 1 Tds Meter Digital Water Tester - Accurate and Reliable TDS EC & Temp(°C,°F) Meter - 0-9990ppm - Professional Testing for Drinking Water, RO/DI System, Aquariums etc --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.us/products/627827679-waterdrop-k19-h-countertop-reverse-osmosis-system-instant-hot-reverse](https://www.desertcart.us/products/627827679-waterdrop-k19-h-countertop-reverse-osmosis-system-instant-hot-reverse) --- *Product available on Desertcart United States of America* *Store origin: US* *Last updated: 2026-05-11*