---
product_id: 533090580
title: "Waterdrop KJ600 Instant Hot Reverse Osmosis System, 600 GPD, Tankless RO"
brand: "waterdrop"
price: "R24470"
currency: ZAR
in_stock: true
category: "Waterdrop"
url: https://www.desertcart.co.za/products/533090580-waterdrop-kj600-instant-hot-reverse-osmosis-system-600-gpd-tankless
store_origin: ZA
region: South Africa
---

# 600 GPD tankless RO flow Instant hot water 104℉-203℉ 5-stage deep filtration & PFAS removal Waterdrop KJ600 Instant Hot Reverse Osmosis System, 600 GPD, Tankless RO

**Brand:** waterdrop
**Price:** R24470
**Availability:** ✅ In Stock

## Summary

> 💧 Hot, cold, pure—water that works as hard as you do.

## Quick Answers

- **What is this?** Waterdrop KJ600 Instant Hot Reverse Osmosis System, 600 GPD, Tankless RO by waterdrop
- **How much does it cost?** R24470 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.co.za](https://www.desertcart.co.za/products/533090580-waterdrop-kj600-instant-hot-reverse-osmosis-system-600-gpd-tankless)

## 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

- • **Durable & Premium Build:** Crafted with stainless steel faucet plating and heat-resistant Teflon tubing for long-lasting, corrosion-resistant performance.
- • **Advanced 5-Stage Filtration:** Deeply purifies water by reducing TDS, PFAS, fluoride, heavy metals, and more, ensuring every sip is pristine and safe.
- • **Smart LED Faucet with Safety Lock:** Stay informed with real-time TDS and filter status, plus child lock and temperature indicators to prevent scalding risks.
- • **Instant Hot & Cold Water On Demand:** Skip the wait—get perfectly heated water from 104℉ up to 203℉ in seconds, ideal for coffee, tea, and cooking.
- • **Ultra-Efficient 600 GPD Tankless Flow:** Enjoy a fast, stable 600 gallons per day output with a water-saving 2:1 pure-to-drain ratio—eco-friendly hydration at its best.

## Overview

The Waterdrop KJ600 is a cutting-edge tankless reverse osmosis system delivering 600 gallons per day of ultra-purified water with instant temperature control from 104℉ to 203℉. Featuring a 5-stage filtration process certified to reduce PFAS, TDS, and heavy metals, it combines smart safety features like a child lock and LED display with a sleek, durable design. Perfect for busy professionals seeking convenience, efficiency, and premium water quality all in one under-sink system.

## Description

Waterdrop KJ600 Instant Hot Reverse Osmosis System, 600 GPD, Tankless RO | NSF/ANSI 372 Certified, 5-Stage Filtration, PFAS & TDS Reduction, 2:1 Pure to Drain, LED Faucet, Hot and Cold Water Dispenser - desertcart.com

## Features

- [First-to-market RO system with heating function] The KJ600 instant hot water dispenser reverse osmosis system can dispense both cold water and hot water to meet your different demands. Adjust the temperature as you wish in the range of 104℉-203℉. 5-stage deep filtration, can effectively reduce TDS, PFOA, PFOS, fluoride, arsenic, nitrate, lead and mercury
- [First-to-market RO system with heating function] The KJ600 reverse osmosis system integrates water purification and heating, and breaks through a conventional under sink RO water purification mode
- [Hot water at desired temperature in seconds] The tankless reverse osmosis system KJ600 allows you to adjust the temperature as you wish in the range of 104℉-203℉, which is an ideal choice for cooking soup, making instant coffee, tea and oatmeal or other household tasks. However, please note that external factors like weather and temperature of your cup may ultimately affect the temperature of water
- [5-stage deep filtration] The 5-in-1 filter of the reverse osmosis water filtration system is built with an RO membrane, a carbon block, PP cotton and other filtration substances and can effectively reduce TDS, PFOA, PFOS, fluoride, arsenic, nitrate, lead and mercury through fine filtration layer by layer to achieve deep purification, ensuring every drop is purified water
- [High-end smart display faucet] By means of a smart display faucet of the ro system, the TDS level and the filter condition are available at a glance. The smart display faucet also has functions of child lock and water dispensing temperature indication to avoid scalding risks and ensure safety during use. The reverse osmosis water filtration system allows temperature adjustment, bringing smart and convenient life experience
- [Outstanding safety performance] The instant hot water dispenser KJ600 can automatically monitor the water purification process. The hot water dispenser is built with a flow meter, NTC and a heating overtime protection function to prevent dry burning of water
- [2:1 pure to drain] The tankless RO water filtration system has a fast& stable water flow of 600 GPD and high hot water flow rate of 0.4 gal/min, and you can fill a cup of water within seconds. This RO water filter system has low drain ratio of 2:1, which saves water efficiently
- [Safe and Reliable Materials] The smart faucet of the water filter system KJ600 is made with a stainless steel bright nickel plating process and has the properties of color change resistance, oxidation resistance and low allergy. The upgraded Teflon tube is resistant to high temperatures up to 500℉/260°C, and has the advantages of corrosion resistance, pressure and wear resistance, aging resistance, low permeability, etc.
- [MNR Filter Compatibility] The system can be connected with an MNR remineralization filter for use, but the MNR filter can only be connected to a cold water pipe. The system cannot be connected with a refrigerator or an ice maker
- [Preset Heating and Scald Protection] Please set desired temperature in advance. When the dispenser starts heating, you can get hot water directly without waiting. There can be external factors that will ultimately affect the temperature of water, including weather, temperature of cup. Hot steam of the tank is drained from the drain pipe, and the system is designed with anti-scalding cotton to avoid scalding

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0BKPMMW1H |
| Best Sellers Rank | #41,691 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #70 in Under-Sink & Countertop Filtration |
| Brand Name | Waterdrop |
| Capacity | 1600 gallons |
| Container Type | Dispenser |
| Customer Reviews | 4.4 4.4 out of 5 stars (710) |
| Included Components | KJ600 RO System, Replacement Filters, Smart Faucet, User Manual |
| Installation Type | Under Sink |
| Item Dimensions L x W x H | 17.5"L x 6.7"W x 16.6"H |
| Item Type Name | hot-water-only-dispensers |
| LowerTemperature Range | 104 °F |
| Manufacturer | Waterdrop |
| Material Type | Reverse Osmosis Membrane & Carbon Block & PP Cotton |
| Maximum Flow Rate | 0.4 gpm |
| Model Name | WD-KJ600 |
| Model Number | WD-KJ600 |
| Operating Pressure Range | 14.5-87 psi |
| Other Special Features of the Product | 5-stage deep filtration, Dispense both cold water and hot water to meet your different demands, Fast& stable water flow of 600 GPD and 2:1 pure to drain, It takes some time to heat water in the tank to the preset temperature, and it takes about 15 minutes to heat water from the room temperature to 203℉. |
| Part Number | WD-KJ600 |
| Power Source | Corded Electric |
| Purification Method | Reverse Osmosis |
| Supported Water TDS Level Maximum (PPM) | 2000 |
| Unit Count | 1 Count |
| Upper Temperature Rating | 203 °F |
| Warranty Description | 1 year manufacturer and Seller Combination |

## Product Details

- **Brand:** Waterdrop
- **Capacity:** 1600 gallons
- **Included Components:** KJ600 RO System, Replacement Filters, Smart Faucet, User Manual
- **Installation Type:** Under Sink
- **Material:** Reverse Osmosis Membrane & Carbon Block & PP Cotton
- **Package Information:** Dispenser
- **Power Source:** Corded Electric
- **Product Dimensions:** 17.5"L x 6.7"W x 16.6"H
- **Purification Method:** Reverse Osmosis

## Images

![Waterdrop KJ600 Instant Hot Reverse Osmosis System, 600 GPD, Tankless RO - Image 1](https://m.media-amazon.com/images/I/61TounyUzaL.jpg)

## Available Options

This product comes in different **Color, Size** options.

## Questions & Answers

**Q: If the reverse osmosis system is not heating up?**
A: Please check if the heating button on ro system is lit. If not, press and hold the heating button for 3 seconds to activate the heating mode. Tips: If the RO has not been used for 48h, the heating mode may sleep for safety and power saving reasons.

**Q: If the reverse osmosis system is heating up but cannot reach the preset temperature?**
A: When drawing water multiple times, it takes some time to heat water. Heating button will turn white once the set temperature is reached. (Maximum waiting time is 15 min) Tips: You can set temperature in advance to obtain hot water without waiting.

**Q: Can the WD-KJ600 reverse osmosis system be connected to the MNR35 remineralization filter?**
A: Yes, the ro system can be connected to the MNR filter, but the MNR filter can only be connected to cold water pipe. Tips: The WD-KJ600 ro system cannot be connected to refrigerator or ice maker.

**Q: Will there be hot steam under the sink when the machine starts heating?**
A: The hot steam from the water tank will be directly discharged from the drain pipe, and the system is designed with a thermal insulation cotton to prevent scalding.

**Q: The current of the WD-KJ600 reverse osmosis system?**
A: The current of our ro system is 7A. For safety reasons, it is recommended to provide a separate socket for the instant hot water dispenser.

## Frequently Bought Together

- Waterdrop Reverse Osmosis System, Instant Hot Water Dispenser, 600 GPD, Reduce PFAS, Tankless, 2:1 Pure to Drain, Under Sink, TDS Reduction, Smart LED Faucet, Hot and Cold Water Dispenser Faucet
- Waterdrop Remineralization Under Sink Water Filtration, 1/4” Quick Connect Post Filter for RO Reverse Osmosis Filter System, Restore Essential Minerals
- Waterdrop WD-KJF Filter, Replacement for WD-KJ600 Reverse Osmosis Instant Hot Water Dispenser System, 12-month Lifetime

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**Shop now:** [https://www.desertcart.co.za/products/533090580-waterdrop-kj600-instant-hot-reverse-osmosis-system-600-gpd-tankless](https://www.desertcart.co.za/products/533090580-waterdrop-kj600-instant-hot-reverse-osmosis-system-600-gpd-tankless)

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*Product available on Desertcart South Africa*
*Store origin: ZA*
*Last updated: 2026-08-05*