Kent Grand Plus RO Water Purifier

How Much Is a Used Kent Grand Plus RO Water Purifier Worth in India?

A used Kent Grand Plus RO Water Purifier is worth ₹4,500 to ₹15,000 in India in 2026, depending on its condition and age. This wide range reflects factors like how well it’s been maintained, the last time filters were changed, and any cosmetic wear. A unit that looks and performs almost new will fetch a premium, while one showing significant wear or needing immediate filter changes will be on the lower end.

Is the Kent Grand Plus RO Water Purifier Still Worth It in 2026?

The Kent Grand Plus RO Water Purifier, likely launched around 2019-2020, is now a 6-7 year old model in 2026. Despite its age, it remains a highly relevant and functional water purifier for Indian households. Kent’s robust service network across India ensures spare parts like filters, membranes, and pumps are readily available, whether from authorized service centers or independent technicians. This means you won’t struggle with maintenance or repairs.

Its core technology—RO+UV+UF with TDS controller—is still highly effective against a wide range of water contaminants found in India, from hard water salts to bacteria and viruses. Many users appreciate the “Mineral RO” technology, which retains essential minerals after purification, a feature Kent has consistently highlighted.

The brand itself carries significant trust in the Indian market, known for reliable water purification. A well-maintained Kent Grand Plus from this era can easily provide another 3-5 years of excellent service, making it a smart, budget-friendly choice compared to buying a new unit at ₹20,000.

Bottom line: Yes, the Kent Grand Plus RO is still a solid, practical choice in 2026, especially if you find one in good condition with a decent service history.

Kent Grand Plus RO Water Purifier Price Guide

Note that prices can vary slightly based on the specific manufacturing year, but feature sets generally remained consistent for the Grand Plus model. Use the calculator below for a personalized estimate based on your exact specs.

Advantages — Why Buyers Pick the Kent Grand Plus RO Water Purifier in 2026

Proven Multi-Stage Purification Technology. The Kent Grand Plus combines RO, UV, and UF purification with a TDS controller. This comprehensive approach ensures that water is free from dissolved impurities, bacteria, viruses, and cysts, while also allowing you to adjust the TDS level for taste and mineral retention—a significant advantage in diverse Indian water conditions.

Trusted Brand and Wide Service Network. Kent is a household name in India for water purifiers, synonymous with reliability. This means you get access to an extensive network of authorized service centers and independent technicians across even smaller towns. Finding spare parts or getting timely repairs is generally hassle-free, which is crucial for appliance longevity.

Mineral RO Technology for Healthier Water. Kent’s patented Mineral RO technology is a key differentiator. It ensures that while harmful impurities are removed, essential natural minerals are retained in the purified water. Many Indian consumers specifically seek this feature, believing it provides healthier and better-tasting water compared to purifiers that strip all minerals.

Good Storage Capacity for Indian Homes. With an 8-litre storage tank, the Grand Plus is well-suited for average Indian families, ensuring a continuous supply of purified water even during power cuts. This eliminates the need for frequent refills or waiting for water to be purified, adding convenience to daily life.

Durable Build Quality. Owners often report that the Kent Grand Plus is built to last. The plastic casing and internal components generally hold up well against daily use and the humid Indian climate. A unit that has been reasonably maintained can easily continue to perform reliably for many years.

Cost-Effective Ownership (Used). Buying a used Kent Grand Plus significantly reduces the initial investment compared to a new unit. Given the readily available and reasonably priced spare parts, the overall cost of ownership remains manageable. It’s an excellent way to get premium purification technology without the premium price tag.

Disadvantages — Why You Might Skip the Kent Grand Plus RO Water Purifier in 2026

Significant Water Wastage. Like most RO purifiers, the Kent Grand Plus generates a considerable amount of wastewater. For every litre of purified water, it can waste 2-3 litres, which is a major concern for environmentally conscious buyers or those in water-scarce regions. You’ll need a plan to collect and reuse this reject water, perhaps for gardening or cleaning.

Higher Running Costs for Filter Replacements. The multi-stage purification means more filters and a more expensive RO membrane, all of which need regular replacement. While essential for pure water, these consumables can add up, making the annual maintenance budget higher than simpler purification systems. Expect to spend ₹2,500-₹5,000 per year on average.

Can Be Noisy During Operation. The booster pump inside the Kent Grand Plus can produce a noticeable humming or whirring sound while it’s purifying water. For some users, especially in smaller apartments or open-plan homes, this noise can be disruptive. If quiet operation is a top priority, this model might not be the best fit.

Larger Footprint on the Countertop. The Kent Grand Plus is a relatively bulky unit, requiring a significant amount of counter space or a sturdy wall mount. Its design, while functional, might not blend seamlessly into modern, minimalist kitchen aesthetics. Consider your available space carefully before buying.

Electricity Consumption. RO purifiers require electricity to power the pump and UV lamp. While not exorbitant, it’s an additional load on your electricity bill compared to non-electric gravity filters. If you live in an area with frequent power cuts, you’ll rely solely on the stored water capacity.

TDS Controller Requires Manual Adjustment. While a TDS controller is an advantage, it often requires manual adjustment to achieve the desired water taste. This means you might need to experiment with settings and re-test TDS levels, which can be a minor inconvenience for some users who prefer a set-and-forget solution.

Factors That Affect Kent Grand Plus RO Water Purifier Resale Value

Overall Physical Condition (₹2,000-₹4,000 impact). A unit free of deep scratches, cracks, or significant discoloration will always command a higher price. Minor scuffs are acceptable, but major aesthetic flaws reduce value.

Filter and Membrane Health (₹3,000-₹5,000 impact). This is perhaps the biggest factor. If the RO membrane and all filters (sediment, carbon, UV lamp) are new or recently replaced (within 3-6 months), the value jumps significantly. Buyers know these are the most expensive consumables.

Booster Pump Noise and Performance (₹1,500-₹2,500 impact). A noisy or weak booster pump indicates it’s nearing the end of its life, which will reduce the resale price. A smooth, consistent hum is ideal.

Leakage History (₹1,000-₹2,000 impact). Any signs of past or present leakage, even if repaired, will make buyers wary and negotiate down. Check for water stains around the unit or fittings.

Service History and Records (₹1,000-₹2,000 impact). Having a clear record of annual maintenance, filter changes, and any repairs (especially if done by authorized Kent technicians) builds immense buyer trust and justifies a higher price.

Original Accessories (₹500-₹1,000 impact). The original purified water tap, installation kit, and user manual add to the perceived completeness and value of the unit.

Manufacturing Date (₹1,000-₹3,000 impact). A newer manufacturing date (e.g., late 2020 vs. early 2019) suggests fewer years of use on internal components, even if purchase date is similar.

Maintenance Cost Breakdown (India, 2026)

Table 1 — Authorized Service Centre (genuine parts, full cost)

Table 2 — Third-Party Repair Shops (cheaper, with tradeoffs)

Annual running cost estimate: Budget ₹3,000-₹6,000 for wear-and-tear at this age, plus one major repair like a pump or UV lamp replacement likely in years 2-3 of your ownership.

Known Issues — Reported by Real Kent Grand Plus RO Water Purifier Owners

High Water Wastage. This is the most common complaint across RO purifiers, and the Kent Grand Plus is no exception. Owners on Reddit r/HomeImprovementIndia frequently discuss the environmental impact and the need for elaborate systems to reuse the reject water. It’s an inherent part of RO technology, but it’s a constant point of concern.

Booster Pump Noise. Many users report that the booster pump, especially after a few years of use, can become quite noisy, producing a loud hum or even a rattling sound. Quora threads on Kent purifiers often feature questions about reducing pump noise or identifying failing pumps, indicating a common wear-and-tear issue.

TDS Creep Over Time. Even with regular filter changes, some owners on manufacturer support forums have noted a gradual increase in the output water’s TDS levels after 2-3 years. This usually points to the RO membrane degrading, even if it hasn’t completely failed, requiring an earlier-than-expected membrane replacement.

Minor Leaks from Fittings. Over time, due to pressure fluctuations or aging plastic, some owners have reported minor leaks from the pipe fittings or within the filter housing. While often a simple fix with plumbers tape or a new fitting, it’s a recurring nuisance mentioned in JustDial reviews for service calls.

SMPS (Power Supply) Failures. The Switched-Mode Power Supply (SMPS) unit, which powers the purifier, is a common point of failure. Forums report units suddenly not turning on or showing intermittent power issues, often traced back to the SMPS needing replacement.

UV Lamp Failure. While the UV lamp is critical for disinfection, it has a limited lifespan. Owners occasionally report the UV indicator light failing or the lamp needing replacement sooner than expected, particularly if there are voltage fluctuations in their area.

Warranty Status Timeline

For a product that is 6-7 years old, third-party insurance from providers like Flipkart or Amazon is generally not worth the premium. The cost of coverage will likely outweigh the potential benefits, as most major components would be excluded due to age or pre-existing conditions.

Pre-Purchase Inspection Checklist

Essential Checks

1. Check for visible leaks. Inspect the entire unit, especially around pipe connections and filter housings, for any drips or water stains. Even small, slow leaks can indicate bigger problems.
2. Run the purifier for 15-20 minutes. Turn on the tap and let the unit purify water. Listen for the pump and check the flow rate of the purified water.
3. Test the output water’s TDS. Ask the seller to let you test the purified water with a TDS meter. It should ideally be between 50-150 ppm (parts per million) after adjustment for taste.
4. Inspect the external condition. Look for cracks, deep scratches, or significant yellowing/discoloration of the plastic casing, which can indicate excessive sun exposure or age.
5. Check the manufacturing date. Find the sticker on the back or side of the unit. This tells you the true age of the components, not just when the seller bought it.
6. Verify the power cord condition. Look for any cuts, fraying, or burn marks on the plug pins, which could signal electrical issues.
7. Ask about the last filter change. Inquire when the sediment, carbon, and RO membrane were last replaced. New filters are a huge plus.
8. Open and inspect the storage tank. If possible, ask the seller to show you the inside of the storage tank. It should be clean, free of slime, algae, or foul smells.
9. Listen to the booster pump. It should produce a consistent, smooth hum. Any rattling, grinding, or excessively loud noise suggests the pump is failing.
10. Verify the Kent branding and model number. Ensure it’s genuinely a Kent Grand Plus RO and not a similar-looking generic model.

Insider Checks

THE OUTPUT TDS TEST: Your RO Membrane’s Health. Always carry your own TDS meter (available online for ₹300-₹500). Test the output water. If the TDS is above 150-200 ppm (assuming input water is hard), the RO membrane is likely worn out. This is a critical component—missing this could mean an immediate ₹2,500-₹4,000 replacement cost.

THE BOOSTER PUMP NOISE TEST: Listen for Trouble. Turn on the purifier and listen closely to the pump. It should have a steady, low hum. If you hear a loud grinding, rattling, or an inconsistent whirring sound, the pump bearings are likely failing. Replacing a booster pump can set you back ₹1,800-₹3,500.

THE DRAIN WATER FLOW TEST: Check for Efficiency. While the purifier is running, observe the reject water flowing into the drain. It should be a steady, but not excessively strong, stream. If it’s a very heavy flow compared to the purified water output, it indicates the flow restrictor might be faulty, or the membrane is severely clogged, leading to extreme water wastage. A new flow restrictor costs ₹200-₹500, but a clogged membrane is a ₹2,500-₹4,000 problem.

THE STORAGE TANK SMELL TEST: Hidden Contamination. Ask the seller to drain the storage tank and open it. Take a sniff. A musty, moldy, or stale smell indicates bacterial growth or algae buildup inside, usually from infrequent cleaning. This means you’ll need a thorough sanitization and potentially a new post-carbon filter, costing ₹500-₹1,000 for cleaning and parts.

THE FILTER HOUSING VISUAL: Early Warning Signs. If the filter housings are transparent (some models have them), visually inspect the sediment filter. It should be discolored, but not excessively dark brown or black, which suggests extreme neglect. Look for any hairline cracks on the housings themselves. A cracked housing will leak under pressure—a ₹500-₹1,000 fix per housing.

Common Scams to Watch For (India 2026)

Fake Filters and Membrane. A common scam is for sellers to claim “new filters and membrane” but actually install low-quality, generic, or even used parts. Always ask for recent service invoices or insist on opening the unit to visually inspect the filters if possible—genuine Kent filters have branding. If you miss this, you’ll pay ₹2,500-₹5,000 for proper replacements soon.

Concealed Leaks. Some sellers will temporarily fix a chronic leak with excessive plumber’s tape or sealant that gives way after a few days of continuous use. Check for old water stains around the unit, even if it appears dry now. If a leak reappears, it could mean replacing fittings or even a housing, costing ₹500-₹1,500.

“Serviced” Unit with Old Parts. The seller might claim the unit was recently serviced, but only did a basic cleaning without replacing critical filters or the membrane. Always ask for proof of service—an invoice from an authorized Kent technician is best. If the filters are old, you’re looking at an immediate ₹2,500-₹5,000 expense.

Broken UV Lamp. The UV lamp inside is crucial for killing bacteria and viruses. A seller might sell a unit with a non-functional UV lamp, which is hard to detect without specific tools or waiting for purification results. Ask for the UV indicator light to be shown working. Missing this means your water isn’t fully disinfected, and a replacement costs ₹800-₹1,800.

Misrepresented Manufacturing Date. Some sellers might try to pass off an older unit as a newer one by only providing the purchase date. Always locate the actual manufacturing date sticker on the back of the unit. A unit older than claimed will have components closer to their end of life.

“Low TDS” Claim Without Proof. A seller might verbally claim the unit produces very low TDS water without actually showing you a live reading with a TDS meter. Always insist on a live TDS test using your own meter. A high TDS output means the membrane is failing, costing ₹2,500-₹4,000 to replace.

Seller’s Guide — How to Maximize Your Kent Grand Plus RO Water Purifier Resale

Physical Preparation

Clean Thoroughly. This is the easiest way to add perceived value. Wipe down the exterior, clean any water marks, and ensure there’s no dust accumulation. If possible, clean the storage tank thoroughly with a mild disinfectant solution and rinse well. A sparkling clean unit looks well-maintained.

Address Minor Leaks. If you have any small drips from fittings, fix them with new plumber’s tape or replace cheap plastic fittings. A leak-free unit significantly boosts buyer confidence.

Ensure Filters Are Decent. You don’t necessarily need to replace all filters, but if they are very old, consider replacing the sediment and carbon filters (₹600-₹1,200). Mentioning “filters changed 3 months ago” is a huge selling point.

Run a Purification Cycle. Before showing the unit, run it for 15-20 minutes to ensure the tank is full and the pump is working. This lets the buyer see it in action.

Documentation

Gather All Records. Keep your original purchase bill, warranty card (even if expired), and any Annual Maintenance Contract (AMC) records or service invoices ready. This proves authenticity and a history of care, adding ₹1,000-₹2,000 in value.

Note Key Specs. Write down the model number, manufacturing year, storage capacity, and purification stages (RO+UV+UF+TDS controller). This helps buyers quickly assess the unit.

Listing Photography

Clean and Well-Lit Photos. Take clear, well-lit photos of the entire unit from multiple angles. Focus on showing a clean exterior and any indicator lights working.

Highlight the Model Sticker. Take a close-up photo of the model number and manufacturing date sticker, usually found on the back or side. This builds trust.

Show it Working. A 30-second video of the unit purifying water and showing the output water flow can be very effective. It instantly assures buyers of its functionality.

Platform Choice

For selling your Kent Grand Plus, Bids44.com is an excellent option as a bidding marketplace where interested buyers compete, often pushing prices higher than direct negotiations. You can also list on platforms like OLX or Facebook Marketplace for local buyers. For quicker, albeit potentially lower-value, sales, consider local appliance dealers who might offer exchange deals.

Final Verdict — Should You Buy or Sell in 2026?

For buyers: If you’re looking for a reliable, feature-rich RO water purifier without the hefty price tag of a new unit, the Kent Grand Plus RO is an excellent choice in 2026. This is ideal for those on a budget who still prioritize comprehensive purification and mineral retention. Aim for a unit in “Good” to “Like New” condition, ideally with filters changed within the last 6-12 months. Expect to pay between ₹7,500 and ₹15,000. If your budget stretches higher, consider a newer Kent model like the Kent Grand Z+ or Kent Supreme Lite for updated aesthetics and potentially slightly lower running costs.

For sellers: Your Kent Grand Plus RO still holds decent value in 2026, especially if it’s well-maintained. Expect a realistic listing price between ₹7,500 and ₹15,000, with negotiation likely bringing it down to ₹6,000-₹10,000 depending on condition and urgency. Private sale will generally fetch more than a dealer exchange. Invest a little in cleaning and ensuring the basic filters are decent to maximize your return. Listing on Bids44.com can help you find competitive offers from serious buyers.