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Water Purifiers · head to head

Z3 (Onyx Black) vs Rejive 2X RO UV UF Alkaline (Stainless Steel Tank)

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Quick verdict

  • Z3 (Onyx Black) is better for 1 to 3.
  • Z3 (Onyx Black) is better for less water wasted.
  • Rejive 2X RO UV UF Alkaline (Stainless Steel Tank) is better for longer warranty.
  • Rejive 2X RO UV UF Alkaline (Stainless Steel Tank) leads on purification.
  • Z3 (Onyx Black) leads on capacity.
  • Rejive 2X RO UV UF Alkaline (Stainless Steel Tank) is the cheaper option at ₹15,499.

Computed from stored specifications, the published water purifiers scoring rules and recorded prices. Not an opinion.

Winners by area

Purification Rejive 2X RO UV UF Alkaline (Stainless Steel Tank)
Capacity Z3 (Onyx Black)
Ownership Rejive 2X RO UV UF Alkaline (Stainless Steel Tank)

Specifications side by side

Spec
Z3 (Onyx Black)
Rejive 2X RO UV UF Alkaline (Stainless Steel Tank)
Purification
Technology
RO + UV LED + Antioxidant + Copper + Alkaline
RO + UV + UF + MHC + ALK (3-in-1 Health Charger: alkaline, mineral, post-carbon)
RO
Yes
Yes
UV
Yes
Yes
UF
—
Yes
Alkaline
Yes
Yes
Copper / zinc infusion
Yes
—
Purification stages
8
9 (better)
Max input TDS
2,000 ppm
2,000 ppm
Capacity
Storage
6 litres (better)
5.5 litres
Purification rate
15 L/h
—
Water recovery
55% (better)
40%
Build and features
Installation
Under sink
Wall
Power
48 W
—
Tank material
Food safe, non-toxic, engineering grade plastics
Stainless steel (Grade 304)
Model number
—
REJIVE 2X RO+UV+UF+MHC+ALK+SS
Colours
Onyx Black
—
Ownership
Warranty
1 year
2 years (better)
Warranty terms
Z3 comes with 1 year comprehensive warranty that covers all filters, RO Membrane and electrical parts.
Featuring 2-year unconditional warranty, Rejive covers filters, membranes and electrical components at no additional cost.
Free service
—
2 proactive maintenance visits in the 9th and 18th months and 2 DuoGuard filter replacement

A tick marks the better value where the category rules say higher (or lower) is better. Text values are shown without a winner. Ties have no winner.

Price and availability

Store links are not paid: prices are copied from each store's own page with the date checked, and Comparezi earns only from labelled ads. How we earn

Z3 (Onyx Black)

₹29,990

Rejive 2X RO UV UF Alkaline (Stainless Steel Tank)

₹15,499

Pros and cons

Z3 (Onyx Black)

No stated figure stands out against similar models on Comparezi, either way.

Rejive 2X RO UV UF Alkaline (Stainless Steel Tank)

  • Pro: 2 years warranty, longer than 79% of the 64 water purifiers on Comparezi that state it
  • Con: Smaller storage tank than 80% of the 66 water purifiers on Comparezi that state it (5.5 litres)

Which should you buy?

Rejive 2X RO UV UF Alkaline (Stainless Steel Tank) if price matters most: it is the cheaper option at ₹15,499.

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