Brand: KENT
RO + UV + UF + Alkaline + Copper + TDS Control water purifier with a 9 L tank
Our editorial score
Good — right for the specific buyer
A family on borewell, tanker or high-TDS municipal supply
Catalogue listing — not a hands-on review
We have not tested this unit. The specifications below are parsed from the manufacturer's own listing, the features are their wording, and the score is calculated from those specifications rather than assigned by an editor. For models we have examined in depth, see our ranked water purifiers guides.
The KENT Grand Star is a RO + UV + UF + Alkaline + Copper + TDS Control water purifier listed by KENT at ₹22,700 against an MRP of ₹28,000. That is above the ₹17,990 median for the purifiers in this catalogue.
On the specification: KENT publishes a 9 litre tank, 20 litres an hour, 60 W. The RO stage is what lets it treat high-TDS borewell or tanker water; UV and UF stages behind it deal with microbes.
Every figure here is KENT's own published specification, read from www.kent.co.in on 20 September 2026. This is a catalogue listing, not a review — nobody here has used this purifier, and the score is calculated from the published specs by the method printed on the water-purifier hub. Running cost is a category estimate, not the maker's figure. Check the Amazon and Flipkart links before buying.
Every condition below is derived from this product's published specifications and from how it compares with the water purifiers we track — so you can check each one against your own room, supply or budget rather than take our word for it.
Your supply runs above 2,000 ppm TDS
The membrane is rated to 2,000 ppm. Feed it more and it will not fail dramatically — it will die early and quietly, and you will be buying membranes annually. Check your worst-season reading, not your average one.
Purifiers for high-TDS supply →Water wastage matters to you
The brand does not publish a recovery figure, so there is no way to know how many litres go to drain per litre purified. Only 2 of the 26 water purifiers we track publish this at all.
High-recovery purifiers →Low running cost is a priority
Consumables and routine service run about ₹3,350 a year, which is in the most expensive quarter of the water purifiers we track. Over five years that puts total ownership near ₹39,450.
Sort the database by five-year cost →Strong transparency. This is separate from our review score above — it measures how well documented, how supportable and how expensive to own this water purifier is, scored on 5 of 7 axes by formula, with no manual override. See the methodology.
| Axis | Score | Weight | Based on |
|---|---|---|---|
| Documentation | 6.7 | 15% | 8 of 12 tracked specs published |
| Running cost | 6.7 | 20% | ₹3,350 per year |
| 5-year cost of ownership | 6.5 | 20% | ₹39,450 over five years |
| Warranty & free service | Not scored | 12% | Not published |
| Service & parts reach | 10.0 | 15% | KENT service network rated excellent |
| Energy efficiency | 9.5 | 8% | 60 W |
| Water recovery | Not scored | 10% | Not published |
| Purification | RO + UV + UF + Alkaline + Copper + TDS Control |
|---|---|
| Storage capacity | 9 litres |
| Purification capacity | 20 litres/hour |
| Suitable for | Borewell, tanker and high-TDS municipal supply |
| Maker's stated application | Suitable for purification of Brackish/Tap/Municipal Corporation water |
| Power | 60 W |
| Body material | ABS Food Grade Plastic |
| Mounting | Wall Mounting |
| Dimensions | 400 (L) x 230 (W) x 540 (H) |
| Weight | 8.6 kg |
| Estimated running cost/year | ≈ ₹3,350 |
| Variants listed | 1 |
Specifications are from manufacturer literature and were checked at the last price-verification date. Brands occasionally revise stage counts, tank sizes and warranty terms without changing the model name — confirm against the current listing before purchasing.
The brand that made 'RO' a household word in India. KENT's mineral-ROTM positioning — RO plus UV plus UF with a TDS controller — is still the template most competitors follow. Strongest on purification hardware and spares availability; weakest on design, where the white-and-blue plastic aesthetic has aged.
Tip
KENT
Families on borewell, tanker or high-TDS municipal supply who want the safest all-round choice.
View details
LG
Hygiene-focused buyers, humid coastal cities, and anyone who has ever opened a purifier tank and been unpleasantly surprised.
View details
Aquaguard
Buyers who value service reliability and compact design over maximum tank capacity.
View details
AO Smith
Buyers who want AO Smith's engineering and water efficiency but do not need hot water.
View detailsFree consultation · Pan-India
Tell us your city, your water source and your budget. For homes we will recommend the right technology — including telling you when a ₹3,000 purifier is genuinely enough. For offices, societies and factories, our team will size a system against your water report and send a specification-backed quotation.
Or email betterworkindia@gmail.com — attach a water analysis report and we can quote faster.
Homes
Right-sized recommendation for your TDS, not the most expensive unit
Offices & societies
25 LPH to 2,000+ LPH, sized on headcount and feed water
Industry
Pharma, food, textile, boiler feed — engineered to your specification
Service & AMC
Installation, repair and AMC with written response times