1. Introduction
The KENT Grand Star RO Water Purifier provides advanced multi-stage purification to ensure 100% pure and safe drinking water. This system incorporates RO, UV, UF, Alkaline, Copper, and TDS Control technologies, along with an in-tank UV LED for enhanced protection. Designed for various water sources including borewell, tanker, and municipal water, it features a digital display for real-time monitoring and a Zero Water Wastage technology.

Image: Front view of the KENT Grand Star RO Water Purifier.
2. Key Features
- Multi-Stage Purification: Utilizes RO+UV+UF+Alkaline+Copper+TDS Control for comprehensive water purification.
- Digital Display of Purity: Provides real-time information on filter life, RO flow rate, and purified water quality.
- In-Tank UV LED Disinfection: Ensures that water stored in the tank remains pure and safe.
- Zero Water Wastage Technology: Recirculates rejected water to an overhead tank, minimizing water waste.
- TDS Control System: Retains essential natural minerals in the purified water.
- Alkaline + Copper Enrichment: Enhances pH levels up to 9 and adds beneficial copper.
- High Purification Rate: Capable of purifying up to 20 liters per hour.
- Large Storage Capacity: Features a 9-liter storage tank.
- Durable Construction: Made with an ABS food-grade plastic body.





3. Setup
The KENT Grand Star is designed for wall-mountable installation. Ensure the installation location is near a water source and an electrical outlet. Professional installation is recommended to ensure proper setup and functionality.
Installation Steps:
- Choose Location: Select a clean, dry, and well-ventilated area, preferably near a water inlet and drain.
- Mounting: Securely mount the purifier on the wall using the provided mounting template and hardware.
- Water Connections: Connect the raw water inlet to the purifier and the rejected water outlet to a drain or an overhead tank for Zero Water Wastage functionality.
- Electrical Connection: Plug the power cord into a standard electrical outlet.
- Initial Flush: Before first use, allow the purifier to fill and drain a few times to flush out any manufacturing residues.

Image: KENT Grand Star RO Water Purifier installed in a kitchen setting.
4. Operating Instructions
Once installed and connected, the KENT Grand Star operates automatically. The digital display provides essential information for user convenience.
Using the Digital Display:
The smart RO purifier features a digital display that informs users about:
- Filter Life: Indicates the remaining lifespan of the filters.
- RO Flow Rate: Shows the current rate of water purification.
- Purified Water Quality: Displays the purity level of the water.
- Tank Status: Shows if the storage tank is full or empty.
- Error/Alerts: Notifies about issues like UV failure, low minerals, or no input water.

Image: Advanced Digital Purity & Mineral Display.
Dispensing Water:
To dispense purified water, simply open the tap located at the front of the purifier. The system will automatically refill the storage tank as water is consumed.
5. Maintenance
Regular maintenance is crucial for the optimal performance and longevity of your KENT Grand Star RO Water Purifier.
- Filter Replacement: Monitor the filter life indicator on the digital display. Replace filters as recommended by the manufacturer or when the indicator suggests.
- UV Lamp Check: The digital display will indicate UV failure. Contact service for replacement if this occurs.
- System Cleaning: Periodically clean the exterior of the purifier with a soft, damp cloth. Do not use harsh chemicals.
- Professional Servicing: Schedule regular professional servicing as per the warranty terms or manufacturer recommendations to ensure all components are functioning correctly.

Image: Steps to verify genuine KENT service and spares using a QR code and serial number.
For genuine KENT service and spares, scan the QR code on the spare part, enter the serial number, and verify authenticity. You can also download the KENT customer app for service requests: KENT Customer App
6. Troubleshooting
If you encounter any issues with your KENT Grand Star, refer to the digital display for diagnostic information. Common issues and their potential solutions are listed below:
| Issue | Digital Display Indication | Action |
|---|---|---|
| No Water Output | "No Input Water" alert | Check water supply to the purifier. Ensure the inlet valve is open. |
| Low Water Flow | "Low RO Flow" alert | This may indicate clogged filters. Check filter life on the display and contact service for replacement. |
| Water Not Purified | "UV Failure" or "High Minerals" alert | Contact customer service immediately for inspection and repair/replacement of UV lamp or RO membrane. |
| Unusual Noise | None specific | Ensure the purifier is securely mounted. If noise persists, contact customer service. |
For service, call the number displayed on the unit or refer to the support section.
7. Specifications
| Feature | Detail |
|---|---|
| Brand | KENT |
| Model Name | Grand Star |
| Purification Method | RO+UV+UF+Alkaline+Copper+TDS Control+UV LED Tank |
| Capacity | 9 Litres |
| Maximum Flow Rate | 20 Liters Per Hour |
| Supported Water TDS Level Maximum | 500 PPM |
| Product Dimensions (L x W x H) | 40L x 23W x 56H Centimeters |
| Item Weight | 4 Kilograms |
| Special Feature | Built-In TDS Meter, Digital Display |
| Installation Type | Countertop (Wall-mountable) |
| Body Material | ABS Food Grade Plastic |

8. Warranty and Support
Your KENT Grand Star RO Water Purifier comes with a 1-year warranty provided by the manufacturer from the date of purchase. For any service requests, technical support, or to purchase genuine spare parts, please contact KENT customer service.
Contact Information:
- Refer to the contact number displayed on your purifier's digital screen for service.
- Visit the official KENT website for support resources.
- Download the KENT customer app for convenient service booking and tracking: KENT Customer App
9. Product Video Overview
Watch this official product video for a detailed overview of the KENT Grand Star RO Water Purifier's features and benefits.
Video: KENT Grand Star RO Water Purifier - Product Overview. This video highlights the multi-stage purification, digital display, Zero Water Wastage technology, and mineral retention features of the purifier.