Clean and safe drinking water is essential for every home, especially in Delhi where water quality can vary due to high TDS levels, contaminants, and old pipelines. Traditional wall-mounted water purifiers are still common, but modern homeowners are now preferring an Under Sink RO system because it saves kitchen space and gives a premium look.
An Under Counter RO is installed inside the kitchen cabinet below the sink, while only a stylish faucet remains visible outside. This makes it a perfect choice for Modular Kitchen RO setups where aesthetics and functionality both matter. If you are looking for the Best Under Sink RO for your home in Delhi, this guide will help you understand how it works, its advantages, installation process, maintenance, and why Kemfotech RO Systems is a trusted option.
What is an Under Sink RO?
An Under Sink RO is a water purifier installed inside the kitchen cabinet beneath the sink. Unlike wall-mounted purifiers, the filtration unit and storage tank remain hidden, while purified water is dispensed through a separate faucet fixed on the sink or countertop. It is also commonly known as an Under Counter RO. Both terms refer to the same type of RO water purification system designed for a clean, clutter-free kitchen appearance.
Main features of an Under Sink Water Purifier:
- Installed inside the cabinet below the sink
- Separate faucet for purified drinking water
- Space-saving design
- Suitable for modular kitchens
- Advanced filtration for safe drinking water
Why Under Sink RO is Becoming Popular in Delhi
Delhi homes are increasingly adopting modern kitchen designs. Homeowners prefer appliances that blend with the kitchen interior while providing high performance. An Under Sink RO offers exactly that combination.
Reasons why homeowners prefer Under Counter RO:
- Hidden installation keeps the kitchen neat and premium.
- Countertop space remains free for cooking and other appliances.
- It matches the design of a Modular Kitchen RO.
- It provides advanced purification suitable for Delhi’s high TDS water.
- It adds a modern and elegant touch to the kitchen.
How Does an Under Sink RO Work?
The working process of an Under Sink Water Purifier is similar to a premium RO system, but the unit is hidden inside the cabinet.
Step-by-step purification process:
Sediment Filter
Removes dust, sand, rust, and suspended particles from the water.
Activated Carbon Filter
Eliminates chlorine, bad odor, pesticides, and harmful chemicals.
RO Membrane
The core filtration stage that removes high TDS, heavy metals, bacteria, viruses, and dissolved impurities.
UV/UF Purification (Model dependent)
Provides additional protection against microorganisms.
Mineral Cartridge
Premium models may add minerals such as Zinc, Copper, and Alkaline technology to improve water taste and quality.
Storage Tank
Stores purified water safely for daily use.
Dedicated Faucet
Purified water is dispensed through a separate stylish faucet installed on the sink or countertop.
Benefits of Installing an Under Sink Water Purifier
Saves Kitchen Space
One of the biggest advantages of an Under Sink RO is that it keeps the kitchen countertop free from bulky appliances. This is especially useful in compact Delhi kitchens.
Perfect for Modular Kitchens
A Modular Kitchen RO complements modern kitchen interiors by hiding the purification unit inside the cabinet, leaving only the premium faucet visible.
Elegant and Premium Appearance
Unlike traditional wall-mounted purifiers, an Under Counter RO gives the kitchen a clean, organized, and luxurious look.
High Purification Performance
It provides advanced RO filtration that removes TDS, chlorine, fluoride, lead, arsenic, bacteria, viruses, and dissolved impurities.
Reduced Noise
Since the machine is installed inside the cabinet, the operational noise is lower compared to wall-mounted units.
Child Safety
The purifier remains hidden inside the cabinet, reducing the chances of children tampering with it.
Easy Maintenance
The cabinet door can be opened for servicing, making filter replacement and maintenance convenient.
Under Sink RO vs Wall Mounted RO
| Feature | Under Sink RO | Wall Mounted RO |
| Installation | Inside cabinet | On wall |
| Kitchen appearance | Premium and hidden | Visible purifier |
| Counter space | Completely free | Occupied |
| Best for modular kitchen | Yes | Limited |
| Purification quality | Excellent | Excellent |
Both systems provide excellent water purification, but if aesthetics and space-saving are important, an Under Sink RO is the better choice.
Who Should Buy an Under Sink RO?
An Under Counter RO is ideal for:
- Modular kitchen owners
- Luxury apartments and villas
- Independent houses
- New home buyers
- Office pantry areas
- Cafes, restaurants, and clinics
Under Sink RO Installation Process
Proper Under Sink RO Installation is essential for long-term performance and leak-free operation.
Basic installation steps:
- Inspect the kitchen cabinet for adequate space.
- Install the RO purifier inside the cabinet.
- Connect the inlet water supply.
- Install the drain connection.
- Fix the dedicated drinking water faucet.
- Flush the filters before first use.
Professional installation ensures proper plumbing connections, optimal performance, and long-lasting durability.
Why Choose Kemfotech RO Systems?
When choosing the Best Under Sink RO, product quality and after-sales support are equally important. Kemfotech RO Systems offers reliable and advanced water purification solutions designed for Indian households.
Why customers trust Kemfotech RO Systems:
- Premium Under Sink RO models
- Modern design for modular kitchens
- Advanced RO purification technology
- Suitable for Delhi water conditions
- Professional Under Sink RO Installation
- Fast customer support
- Genuine spare parts
- Affordable maintenance
Conclusion
An Under Sink RO is an excellent investment for homeowners who want clean drinking water along with a stylish and space-saving kitchen setup. It combines advanced purification, modern aesthetics, and convenience, making it a perfect choice for Delhi homes and Modular Kitchen RO setups.
For reliable products, expert Under Sink RO Installation, and dependable after-sales service, Kemfotech RO Systems is a trusted choice for modern homes.
Things to Consider Before Buying the Best Under Sink RO
Buying an Under Sink RO is a long-term investment for your family’s health. Before purchasing, it is important to evaluate a few essential factors so that you choose a purifier that matches your water quality, family size, and kitchen layout.
1. Check Your Water Quality
The first step is to test the TDS (Total Dissolved Solids) level of your water.
Generally:
| Water Source | Average TDS |
| Municipal Water | 150–500 ppm |
| Borewell Water | 500–2000+ ppm |
| Tanker Water | 400–1500 ppm |
If your home receives high TDS water, an Under Sink RO Water Purifier is one of the most effective solutions for removing dissolved impurities and improving water quality.
2. Choose the Right Storage Capacity
The storage tank should match your daily water consumption.
| Family Members | Recommended Storage |
| 2–3 Members | 8 Litres |
| 4–5 Members | 10 Litres |
| 6+ Members | 12 Litres or More |
Choosing the right capacity ensures that purified water is always available without frequent refilling.
3. Select Advanced Purification Technology
A premium Under Counter RO should include multiple purification stages.
Look for:
✔ RO Membrane
✔ Sediment Filter
✔ Activated Carbon Filter
✔ UV Protection
✔ UF Technology
✔ TDS Controller
✔ Zinc + Copper + Alkaline Technology
These technologies help provide cleaner, healthier, and better-tasting drinking water.
4. Check the Build Quality
A high-quality Modular Kitchen RO should be built using durable components.
Look for:
- Food-grade storage tank
- High-quality RO membrane
- Leak-proof fittings
- Rust-resistant body
- Premium faucet
- Reliable booster pump
Good build quality increases the life of the purifier and reduces maintenance costs.
5. Service Support Matters
Many buyers only compare prices and forget about after-sales service.
Always choose a company that offers:
- Professional installation
- Genuine spare parts
- Fast RO servicing
- Annual Maintenance Contract (AMC)
- Easy filter replacement
Reliable service ensures your purifier continues delivering safe water for years.
