LG Undersink Water Purifier Tankless Hot, Cold & Ambient
Fresh, clean water purifier
With the tankless system makes sure your water is pure and refreshing.
Auto-Sanitize keeps water pure every day
Automated heating and sanitization of water pipes and outlets
Pipes heat up and fast killing 99.99% germs.No technician visit, no hidden service fees. You press one button, system auto cleans itself.
UV Sanitization works silently every hour
The faucet cleans itself 10 minutes each hour.
It’s like sunlight keeping laundry fresh daily. Bacteria and germs have no chance to grow. You don’t even notice, but hygiene stays strong. Super safer drinking water for kids and family.
*Issued by the Korea Institute for Water Technology Certification (KIWATEC) according to the Law for the management of Drinking water. This is based on the quality inspection report, and may differ depending on the actual use environment.
– Heavy metals: remove more than the standard of mercury, lead, iron, aluminum, copper, arsenic, cadmium, zinc, manganese.
– Remove more than the standard of 19 organic chemicals, 4 pesticides, 1 microorganism, and 4 mandatory water purification performance items.
* The pore size of the UF is 0.1-0.3㎛, which can remove fine particles and bacteria larger than that size, and at the same time passes the ionic minerals below the size without removing it.
*Norovirus 99.99% removal is the test result measured under the limited conditions of Norogen (20.6) based on the LG’s internal evaluation method. And there may be differences depending on the operating environment.
(When 3,600L was passed through the filter at a flow rate of 2.0LPM, 0.6L of norovirus with a concentration of 1.0×10^4PFU/ml or higher was passed at a flow rate of 1.0LPM, and the amount of norovirus in the water that passed through was measured).
4-Stage Filter System removes every impurity.
Each stage blocks dirt, chlorine, and heavy metals.
Clean water tastes clear, fresh, and naturally sweet.
Filters last long and keep performance consistent.
*UVnano is a compound word of UV (ultraviolet light) and nanometer (unit of length).
* The 99.99% sterilizing power of inside of water outlet is the test result conducted by Korean test institutes KTL(21.3), KCL(21.2) for UV-LED module based on the LG’s internal evaluation method. And there may be differences depending on the operating environment such as ambient temperature.
– Test method: At an ambient temperature of 25±5℃, after filling inside of water outlet with water containing test bacteria, operate ‘Self Care’ for 24 hours, and compare the degree of reduction in the number of viable bacteria before and after the sterilization function.
– Test bacteria: E. coli, S. aureus, P. aeruginosa (3 types of bacteria were selected among indicator bacteria for evaluation of sterilization performance and drinking water quality standards)
*The image of the product are for illustration purpose only and may differ from actual product.
WQA Certification proves trusted quality worldwide
Filters block 99.8% microplastics effectively tested.
Every sip is backed by strict lab standards.You drink with confidence, not just assumption.
Swing Spout gives you flexible convenience.
Rotate 180° to fit any kitchen activity.
Pour water left, right, or straight with ease. No wasted space, every corner works better. Cooking & drinking flow more smoothly.
Volume Control makes pouring super convenient
Just one touch, no guessing or wasted drops.
Perfect for bottles, cups, or even cooking pots. Saves time and avoids messy spills in kitchen.
Adjustable Temperature fits every drinking need.
Choose 40℃, 75℃, or 85℃ with precision
One touch gives cold or preset hot instantly. Perfect for baby milk, tea, or quick coffee. No waiting, save time every single day.
Clean Lamp reminds you right on time
No guessing, no forgetting, no hidden risks.
The lamp glows when filter needs replacement. Water stays pure, performance always at peak.
*To use this function, you need to install the LG ThinQ app from the Android OS (more than 7.0) Play Store or iOS (more than 12.0) AppStore, need to register and connect the product.
*For detailed instructions on how to use the app, please refer to SMART FUNCTIONS section in the User Manual.
*Also, when first connecting to water purifier, it must be in the same Wi-Fi environment, and after that, the water purifier must always operate within the registered Wi-Fi environment.
Built-in Design keeps your kitchen neat
Kitchen looks tidy, open, and more spacious
Like hidden storage, it blends without clutter. Main body fits quietly under the sink space. Only the slim spout shows for daily use. More counter space for cooking fun.
LG ThinQ™ gives you smart remote control
Use the app to monitor purifier in real time
Like a home assistant, always within your reach. Check water status anytime, anywhere you are. Stay updated without bending under the sink.
Automatic Weekly Sanitization keeps spout hygienic
Like routine housecleaning, it happens on schedule
Hold one button three seconds, cleaning begins. Just place a 500ml container under the spout. Germs are flushed away, freshness stays daily. No hassle, you save service time & cost.
Filters delivered on time, hassle-free replacement.
Filters match cycle perfectly for peak performance.
Filter arrive right on time. No need to remember the replacement schedule. Swap them quickly without tools or extra help.
DIMENSIONS
SUMMARY
DIMENSION (W X H X D), MM
170 x 420 x 410
TYPE OF FILTER
UF (Ultra Filtration)
KEY FEATURE
Tankless (Instant Hot, Cold & Ambient Water)
KEY FEATURE
Internal Stainless Steel Water Pipe
DIMENSION
Dimension (W x H x D), mm – Product
170 x 420 x 410
Dimension (W x H x D), mm – Faucet
48 x 264 x 188
COLOR
Color
Solid Black, Silver
WATER SUPPLY
Ambient
Instant
Hot / Cold
Instant
FILTER
Type
UF (Ultra Filtration)
Stage
4-STAGE ALL PURI FILTER SYSTEM
· 1st – Remove 9 types of heavy metals
· 2nd – Removal of various germs and fine particles
· 3rd – Remove Norovirus (99.99%)
· 4th – Removal of harmful contaminants
MAINTENANCE
Service Type
Regular Visit (Every 6 Months) / Self-Service (No Visit)
Installation Type
Under-sink Type
HYGIENE
Hygiene
Internal Stainless Steel Water Pipe
UV-LED Sterilization
CONVENIENCE
Hot Water Control
40℃, 75℃, 85℃
Volume Control
120ml, 250ml, 500ml & Continuous Dispense
Others
180˚Rotating Tap
Efficient Energy Saving
Child Safety Lock Function
17cm Slim Design
Flexible Installation (Horizontal / Vertical)
Filter Change Alert
LG ThinQ™
Voice Guidance
LG Undersink Water Purifier ATOM-U WU525BS FAQs
The LG Undersink Water Purifier ATOM-U (WU525BS) is a tankless under-sink water purifier that dispenses hot, cold and ambient water from a single 180° rotating tap. The main body hides neatly inside your kitchen cabinet, so it saves countertop space while delivering WQA-certified, 4-stage filtered water in Malaysia.
The LG ATOM-U (WU525BS) rents from RM26/month (usual price RM110), with 77% off for the first 12 months. Every rental includes a FREE 7-year filter subscription, a 7-year warranty and self-service maintenance, so there is no large upfront cost.
Yes. The ATOM-U is fully tankless and dispenses hot, cold and ambient water instantly, in selectable amounts of 120ml, 250ml, 500ml or continuous. Because there is no storage tank, every glass of water is fresh.
The ATOM-U is installed under your kitchen sink, and only the slim 180° rotating tap sits on the countertop. This built-in (undersink) design frees up counter space and keeps your kitchen looking tidy.
Its WQA-certified 4-stage All-Puri UF filter removes up to 9 heavy metals, 99.99% of norovirus and 99.8% of microplastics, while retaining beneficial minerals in your drinking water.
The ATOM-U auto-sterilizes with a UV-LED every hour and channels water through an internal stainless-steel pipe, so the water path stays clean automatically without any manual effort.
Yes. The LG ATOM-U (WU525BS) is WQA (Water Quality Association) certified, and it connects to the LG ThinQ app so you can monitor filter life and water usage from your phone.
Your rental includes a FREE 7-year filter subscription, a 7-year warranty and self-service maintenance. A built-in Filter Change Alert and LG ThinQ notify you exactly when it is time to replace the filter.
The ATOM-U is designed for easy self-service — filters click in and out in minutes and the machine alerts you when it is due. If you prefer, LG also offers a door-to-door service option.
Simply message us on WhatsApp at +60 17-782 7628 to check your eligibility and book installation. Free installation is included with your RM26/month rental.
