Introduction
This manual provides essential information for the safe and efficient operation, installation, and maintenance of your LG WW140NP 8L Stainless Steel Tank RO+ Mineral Booster Water Purifier. Please read this manual thoroughly before using the appliance and retain it for future reference.

Image: Front view of the LG WW140NP Water Purifier, showcasing its sleek design.
Setup and Installation
The LG WW140NP Water Purifier is designed for wall-mount installation. For optimal performance and safety, professional installation is recommended. Upon delivery, you can request an installation/demo for this product.
Included Components for Installation:
- Water Purifier Unit
- Owner's Manual with Guide for Mounting Plate
- Quick Reference Guide (QRG)
- Installation Kit (Out-sediment filter, Mounting Plate, Accessory Hose assembly)

Image: The LG WW140NP Water Purifier mounted on a kitchen wall above a sink.
Operating Instructions
Your LG WW140NP Water Purifier utilizes True RO Filtration with a Dual Protection Stainless Steel Tank to provide purified water. It features a Digital Sterilizing Care system and a Filter Change Indicator for convenience.
Dispensing Water:
- Ensure the purifier is connected to a power source and the tank is full.
- Place a clean glass or container under the water dispenser nozzle.
- Press the dispense button or lever to release purified water.
- Release the button/lever to stop the water flow.
Water Conservation Note:
For every liter of water purified, approximately 65 ml of water is discharged by the machine. It is encouraged to collect this discharged water in a separate container and reuse it for non-potable purposes such as cleaning utensils or washing clothes, to promote water conservation.
Maintenance
Regular maintenance ensures the longevity and optimal performance of your water purifier.
Filter Change Indicator:
The purifier is equipped with a Filter Change Indicator that will alert you when it's time to replace the filters. Promptly replacing filters is crucial for maintaining water quality.
Digital Sterilizing Care:
The Digital Sterilizing Care feature helps maintain the hygiene of the internal components. Refer to the Quick Reference Guide or contact customer support for details on how to activate or schedule this feature.
Professional Servicing:
LG offers professional maintenance services. It is advisable to schedule periodic check-ups and filter replacements through authorized service centers.
Troubleshooting
If you encounter any issues with your water purifier, please refer to the following general guidelines. For complex problems, contact LG customer support.
- No Water Dispensing: Check if the power supply is connected and if the water inlet valve is open. Ensure the water tank is not empty.
- Slow Water Flow: This could indicate clogged filters. Check the Filter Change Indicator and consider replacing filters if due.
- Unusual Taste/Odor: This often points to filters needing replacement. Do not consume water if it has an unusual taste or odor.
- Leakage: Immediately turn off the water supply to the purifier and disconnect power. Contact customer service for assistance.
Specifications
Detailed technical specifications for the LG WW140NP Water Purifier:
| Feature | Specification |
|---|---|
| Brand | LG |
| Model Name | NiRO |
| Model Number | WW140NP |
| Capacity | 8 litres |
| Material | Plastic, Stainless Steel |
| Purification Method | Reverse Osmosis |
| Installation Type | Wall Mount |
| Product Dimensions (L x W x H) | 23.1L x 123.7W x 77.7H Centimeters |
| Item Weight | 16200 Grams |
| Supported Water TDS Level Maximum | 2000 PPM |
| Special Feature | Leak Proof |

Image: LG WW140NP Water Purifier showing its physical dimensions.
Warranty Information
Your LG WW140NP Water Purifier comes with a comprehensive warranty:
- Product Warranty: 1 year on the product from the manufacturer.
- Stainless Steel Tank Warranty: 10 years on the stainless steel tank from the manufacturer.
Please retain your purchase receipt and warranty card for any warranty claims.
Support and Contact Information
For any queries, installation requests, service, or support, please contact LG customer care:
- Toll-Free Numbers: 1800 315 9999 / 1800 180 9999
- Email: serviceindia@lge.com
- SMS: 5757554
- Manufacturer Address: LG Electronics India Pvt. Ltd., Udyog Vihar, Surajpur Kasna Road 201306







