The Benefits of an Under Sink RO Water Purifier

Modern kitchens need modern appliances. Gone are the days of wall-mounted purifier options which do not sit well with the sleek aesthetics  of modular kitchens while also taking up space. Enter the under-sink RO water purifiers—a hidden hero that blends practicality with elegance. If you are out shopping for an under sink purifier, let us tell you everything you need to know about  it.

What is an Under Sink RO Water Purifier?

An under-sink RO water purifier is installed discreetly beneath your kitchen counter or sink and comes installed with filtration technologies like Reverse Osmosis (RO), Ultra Filtration (UF), and Ultra Violet (UV) to provide clean drinking water, directly from the tap.

How it Works:  An under-sink RO water purifiers use a multi-stage filtration with following filters:

1. Sediment Filter: to remove larger particles such as dirt, dust, and sand.
2. RO Membrane: to remove dissolved solids, and heavy metals.
3. UV Filtration: for added protection by killing harmful pathogens.
4. Activated Carbon Filter: to remove traces of remaining chlorine, and bad odors.

 

Regulatory Standards and Certifications for Under Sink Water Purifiers

1. Bureau of Indian Standards (BIS): 

The Bureau of Indian Standards (BIS) ensures the quality and safety of water purifiers in India. The IS 16240: 2015 applies to RO systems that treat water with a capacity of up to 25 litres per hour.

2. Key Certifications to Look For

• BIS Certification (IS 16240: 2015): As already mentioned all the manufacturers should comply with this standard.
• NSF Certification: Indicates compliance with international health and safety standards, particularly for filtration effectiveness and material safety.
• CE Mark: Denotes compliance with European standards.

Key Benefits of Installing an Under Sink RO Water Purifier

• Space Saving: This is the most compelling reason to go for an under sink purifier. It can save the kitchen space unlike the traditional wall mount, keeping the space clutter-free.
• Aesthetic Integration:Under-sink water purifiers blend seamlessly into modern modular kitchens, offering a clean and minimalist look. 
• Cost-Effectiveness: Investing in an under-sink RO water purifier can offer significant long-term savings. Unlike bottled water, under-sink systems provide a continuous supply of purified water directly from your tap, without the need for frequent purchases of bottled water. 
• Convenience: With an under-sink RO water purifier, you have convenient access to purified water at any time. Since the system is directly connected to your sink, you no longer need to wait for a countertop unit to filter water or hassle with storing bottled water.

Choosing the Right Under Sink RO Water Purifier for Your Kitchen

• Factors to Consider:
• Filtration Capacity: Choose based on household size and daily water consumption. Higher capacity is ideal for large families.
• Water Quality: Consider your water’s TDS levels and contaminants. Look for models with RO, UV, or UF filtration to meet specific needs.
• Design: Opt for compact, space-efficient models that blend with your kitchen layout.
• Price: Compare prices to ensure the purifier offers good value, factoring in both the initial cost and long-term maintenance.
• Certifications: Ensure the purifier is certified by bodies like BIS, NSF, or CE for safety and quality.

• Top Brands and Models: Kent: Known for its advanced filtration technology and efficient RO systems.
• Aquaguard: Offers multi-stage filtration and mineral retention for safe drinking water.
• Whirlpool: Provides high-flow rate purifiers with UV and UF features for added protection.
• Lustral Water: Features smart, efficient filtration with an emphasis on IoT-based monitoring for real-time water quality updates, making it a great option for tech-savvy users.

FAQ Section

1. What are the main advantages of using an under-sink RO water purifier?

Under-sink RO water purifiers offer several benefits, including:

• Space Efficiency: They are installed beneath your sink, saving valuable countertop or wall space and maintaining a clutter-free kitchen.
• High-Quality Filtration: These systems effectively remove contaminants like lead, chlorine, and nitrates, ensuring safe and healthy drinking water.
• Ease of Use: With purified water directly available from a dedicated tap, they are convenient and user-friendly.

2. Can I install an under-sink water purifier myself?

While some under-sink water purifiers come with DIY installation kits and guides, professional installation is often recommended to ensure proper fitting, avoid leaks, and optimize system performance. If you have experience with plumbing, you might find the DIY process manageable.

3. How often do I need to replace the filters in my under-sink RO purifier?

The filter replacement interval depends on your water quality and usage, but as a general guideline:

• Pre-filters: Replace every 6–12 months.
• RO Membrane: Replace every 2–3 years.
• Post-filters: Replace every 12–24 months.
  Always refer to the manufacturer’s instructions for precise maintenance schedules.

4. What makes under-sink UV purifiers different from other types?

Under-sink UV purifiers use ultraviolet light to kill harmful microorganisms like bacteria and viruses, ensuring microbiological safety. Unlike RO systems that focus on removing dissolved contaminants, UV purifiers are specifically designed to target biological impurities.