AO Smith Z1 Vs X2 Water Purifier: Which is Better?

The AO Smith Z1 water purifier has a larger 10 litre storage capacity compared to the 5 litre capacity of the AO Smith X2 model. The increased capacity makes the Z1 better suited for larger households and higher water consumption needs. A key advantage of the Z1 is its ability to dispense hot water on demand through three temperature settings – ambient, warm (45°C) and hot (80°C). The X2 does not offer hot water dispensing. Both models utilize UV+UF purification technology and have a 5 stage purification process to provide high quality, pure drinking water. Installation flexibility is a shared feature with options for wall mounting or placing on a table or countertop. The filtration capacity is 30 L/hr for both with a 0.5 L/min flow rate for quick purification. An attractive light effect on the Z1 model guides users at night and adds aesthetic appeal. Durable stainless steel storage tanks promote hygiene and allow water dispensing during power outages. The Z1 requires a minimum 20bps water flow otherwise a booster pump may be needed. It cannot connect directly to a tap or provide cool water. Hot water dispensing has a slight delay and annual maintenance charges are higher than the X2 model.

Here is the comparison table AO Smith Z1 Vs X2 Water Purifier

Bottom Line
Pros
Cons
Purifying Technology
Stages of Purification
Hot Water Option
Temperature Modes
Placement
Stainless Steel Tank
UV Lamp Change Indicator
Digital Display
Dispenses Water w/o Electricity
Booster Pump (if needed)
Hot Water Waiting Time
Annual Maintenance Cost
Warranty
Price (Approx)
 
AO Smith Z1 Hot+ normal UV
AO Smith Z1 (Hot and Cold)
UV+UF
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Bottom Line
Ideal for those who want hot water and more storage, but it requires more maintenance.
Pros
5 stages of purification with UV+UF technology.
10-liter storage capacity.
Hot water at a touch of a button with 3 temperature modes.
Glow light effect for easy use at night.
Wall mount and tabletop placement options.
Stainless steel hot water storage tank.
Advance UV lamp change indication.
Digital display for easy information access.
Can dispense stored water without electricity.
Cons
Requires strong water flow; might need a booster pump.
Can’t attach to a tap.
No cool water option.
Hot water is not instant; 1.5 min wait time.
High annual maintenance cost.
1-year comprehensive warranty.
Purifying Technology
UV+UF
Stages of Purification
30 L/hr
Hot Water Option
Yes
Temperature Modes
Ambient, 45°C, 80°C
Placement
Wall mount + Tabletop
Stainless Steel Tank
Yes
UV Lamp Change Indicator
Yes
Digital Display
Yes
Dispenses Water w/o Electricity
Yes
Booster Pump (if needed)
Extra Cost
Hot Water Waiting Time
1.5 min for 45°C
Annual Maintenance Cost
Approx ₹2500
Warranty
Warranty
1 Year Comprehensive
Price (Approx)
₹15,490
AO Smith X2
UV+UF
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Bottom Line
An affordable option with good UV+UF water purification and storage.
Pros
UV+UF purifying technology.
5 stages of purification.
Wall mount and tabletop placement options.
5-liter storage capacity.
Stainless steel storage tank.
Can dispense stored water without electricity.
1-year comprehensive warranty.
Cons
No hot water option.
Requires strong water flow; might need a booster pump.
Can’t attach to a tap.
Purifying Technology
UV+UF
Stages of Purification
30 L/hr
Hot Water Option
No
Temperature Modes
Ambient
Placement
Wall mount + Tabletop
Stainless Steel Tank
Yes
UV Lamp Change Indicator
Yes
Digital Display
No
Dispenses Water w/o Electricity
Yes
Booster Pump (if needed)
Extra Cost
Hot Water Waiting Time
N/A
Annual Maintenance Cost
Approx ₹2000
Warranty
Warranty
1 Year Comprehensive
Price (Approx)
₹9,399

Comparison: AO Smith Z1 Vs X2 Water Purifier

1. Digital Display: The AO Smith Z1 model comes equipped with an intuitive digital display which presents information easily and clearly; unfortunately, this feature is absent on X2 models.

2. UV Lamp Change Indicator: The AO Smith Z1 model contains a feature to alert users when their UV lamp needs replacing, helping you keep track of your purifier’s maintenance schedule more easily. Unfortunately, however, this feature was omitted for their X2 counterpart.

AO Smith X2 install wall mounted

3. Aesthetics: The AO Smith Z1 model features an elegant look with its glossy surface and light effects; adding elegance and distinction to your kitchen. In contrast, its counterpart, the X2, is sleek yet lacks this special effect.

AO Smith Z1 table top installation

4. Size: The AO Smith Z1 model stands out with its 10-litre capacity for more spacious households; in comparison, its more compact 5-litre counterpart makes the X2 suited to smaller living environments or limited kitchen spaces.

5. Maintenance Costs:

The AO Smith X2 water purifier, on the other hand, uses UV + UF technology to purify water. This model is designed for municipal water supply and is not suitable for borewell or tanker water. The annual maintenance cost for the AO Smith X2 is approximately ₹2,500 , depending on the usage and quality of the water.

FeatureAO Smith Z1AO Smith X2
Filter Replacement Frequency1 year (Sediment, Pre-Carbon, UV Lamp, UF Membrane)1 year (Sediment, Pre-Carbon, UV Lamp, UF Membrane)
Filter Replacement Cost (approx.)₹2500₹2500
Additional Maintenance (if any)May require occasional cleaning of the hot tankNo additional maintenance
Total Annual Maintenance Cost₹2500₹2500

6. Child Lock Safety Feature: The AO Smith Z1 model comes equipped with a child lock safety feature to avoid accidental burns or scalding in households where there are children present, ensuring greater household security. However, due to the lack of hot water dispensation capabilities on its X2 counterpart, this feature cannot be utilized as effectively.

7. Energy Efficiency: The AO Smith Z1 model consumes more energy due to its hot water dispensing feature which requires heating elements; this may contribute to higher electricity bills compared to its more energy-efficient cousin, the X2, which does not include this feature.

8. Installation Requirements: For hot water dispensing purposes, the AO Smith Z1 model needs a nearby electrical outlet while for the operation of its X2 counterpart, there are minimal setup requirements since no such outlet is necessary for operation.

9. Ease of Use: Both models have been created with user convenience in mind and feature simple setup options – whether wall mounting or countertop placement – making installation a snap. However, due to its digital display and UV lamp change indicator, its Z1 model has an edge in terms of ease of use.

Debolina Roy
Debolina Roy

Debolina Roy is our senior home improvement writer, specialising in reviewing the latest home and kitchen appliances. Debolina has written about hundreds of products like Washing Machine, refrigerator, Air conditioner, Vacuum Cleaner, Air Purifier and is committed to finding the most reliable and best value for money buys. Debolina is also interested in Tech and has completed B.Tech in Electronic and Telecommunication from Dibrugarh University. Debolina helps to uncover the washing and clean hacks too, with a focus on easy, natural solutions. Debolina also holds an MA in Journalism and has previously worked as a freelance smartphone and gaming console’s journalist, working for TechRadar, and more.

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