FAQ's

A. O. Smith X4 is advanced 5 stages RO from AO Smith. It is 100% RO water purifier for maximum purity.

In some of the ordinary RO+UV water purifiers some amount of water is made to bypass the RO membrane. Due to this harmful substance like TDS, heavy metals, chemicals and pesticides also passes through. Whereas in A. O. Smith RO water purifier 100% of the water is passed through the RO membrane which ensures maximum purification of water.   

A. O. Smith X4 RO has 5 stages of purification, which are pre-filtration, sediment filtration, pre-carbon, RO membrane and silver activated post carbon.

Purified water tank storage capacity of X4 is 9 litres.

Up to 15 litres per hour, Purification capacity also depends on input water quality parameters.

Yes, X4 has twin advance alert technology for change of filters.  

A. O. Smith X4 has alerts to change the SC (Sediment and Pre carbon filter) and RO change (membrane and Silver activated post carbon). Other than these two alerts it has power on indication when purifier is switched on, Tank full indication and Auto flush indication. There are other alerts and indications built in the system to indicate or alert the user if there is any problem in the system.

When the cartridge reaches 90% of its life, the indication glows in the product of the respective change. And upon reaching 100% of life the purifier stops the process for pure water.   

First indication is at 90%, at this point the respective change indicator starts glowing. On 100% life consumption there is a constant light in the respective indicator with buzzer beep. The buzzer will beep every time the unit is switched on.  

Life of RO membrane is 12000 litres of pure water. It may last for up to 2 years basis 15 litres per day consumption under the input water norms (input water norms TDS less than 2000, hardness less than 400 ). 

Advanced unique SSM stands for side stream membrane technology. Unlike traditional membrane this membrane has water inflow from 2 sides which results in better recovery of pure water and rejection of salts. It results in better membrane life.

Pre sediment Filter would need to be replaced at 200 Hrs or approximately 2500 Liters of purified water. Depending on the feed water quality, the Pre filter may need to be changed earlier than 200 Hrs.

Sediment filter and Pre carbon filters are designed to be replaced at 200 Hrs or approximately 2500 Liters of purified water.

Silver activated post carbon filter is designed to be replaced at 400 hrs or 6000 liters of purified water.

Tank over flow protection, protects the water purifier tank from spilling in case of water level sensor failure. It is an extra protection built in the purifier. 

Yes A. O. Smith X4 RO can be mounted on the wall or can be a table top as per your installation choice.

X4 RO has unique changeable panel to match the colour decor of your kitchen and choice. Standard product comes in electric blue and 3 more options are Splendour Lilac, Yale blue and Passion red. To change the colour panel, after the purchase of RO customer has to register the product on call centre and ask for colour panel of choice within 60 days of purchase and it will be delivered to customer free of cost.

A. O. Smith X7 is advanced 7 stages RO from AO Smith. It is 100% RO with double purification by SCMT (silver charged membrane technology) and required essential minerals are added back to water.  

In some of the ordinary RO+UV water purifier some amount of water is made to bypass the RO membrane. Due to this harmful substance like TDS, heavy metals, chemicals and pesticides also passes through. Whereas in A. O. Smith RO water purifier 100% of the water is passed through the RO membrane which ensures maximum purity of water and required minerals are added back to pure water.

A. O. Smith X7 RO has 7 stages of purification which are pre-filtration, sediment filtration, pre carbon, RO membrane, mineraliser, silver activated carbon and SCMT (Silver charged Membrane Technology).

A. O. Smith X4 is 5 stage 100% RO where as A. O. Smith X7 is a 7 stage RO with double purity and added minerals. 

SCMT is an additional stage of purification to prevent any potential secondary microbial contamination post RO purification. Double protection ensures purified and healthy water.

It is double purification process to ensure maximum purification of water. In this process 100% of the water is passed through the RO membrane and double purified by SCMT.  

Yes X7 has an additional mineral cartridge which adds required minerals back to water.

Min-tech is mineraliser technology to add back required essential minerals back to water.  

9 litres 

Up to 15 litres per hours Purification capacity also depends on water quality

Yes A. O. Smith X4 RO water purifier comes with a pre-filter which is part of the product 

A. O. Smith X7 has alerts to change the SCPA (Sediment and Pre carbon filter) and RO membrane and/ or mineraliser, silver activated post carbon along with SCMT (silver charged membrane technology). Other than these two alerts it has power on indication when purifier is switched on, Tank full indication and Auto flush indication. There are other alerts and indications built in the system to indicate or alert the user if there is any problem in the system.

When the cartridge reaches 90% of its life, the indication glows in the product of the respective change. And upon reaching 100% of life the purifier stops the process for pure water.   

First indication is at 90%, at this point the respective change indicator starts glowing. On 100% life consumption there is a constant light in the respective indicator with buzzer beep. The buzzer will beep every time the unit is switched on.  

Life of RO membrane is 12000 litres of pure water. It may last for up to 2 years basis 15 litres per day consumption under the input water norms (input water norms TDS less than 2000, hardness less than 400 ).

Digital display in A. O. Smith X7 indicates following

1) Tank full

2) Flushing of RO membrane

3) Change of SCPA (Sediment and activated carbon filters)

4) Change of RO membrane and or post carbon, mineral filter and SCMT.

Yes A. O. Smith X7 can be mounted on the wall or can be placed on the counter.

A. O. Smith X7 RO and A. O. Smith X4 has unique changeable panel to match the colour decor of your kitchen and choice. Standard product comes in Passion red and 3 more options are Splendour Lilac, Yale blue and electric blue. To change the colour panel, after the purchase of RO customer has to register the product on call centre and ask for colour panel of choice within 60 days of purchase and it will be delivered to customer. 

A. O. Smith Z6 RO is advanced 7 stages RO from AO Smith. It is 100% RO with no bypass of water for maximum purity with double purification by SCMT (silver charged membrane technology) and required essential minerals are added back to water. It has options to draw warm and hot water.

Yes you can take hot water from A. O. Smith Z6 RO water purifier. 

It has 2 temperature choices. With the first press the water will heat up to 45 degrees and upon pressing for 3 seconds the water will heat up to 80 degrees.  

Please refer the product display to see the temperature of water in hot tank. If you want water at 45 degrees centigrade please press the hot water button and wait for about 2 minutes. If you want water at 80 degrees centigrade, press and hold the hot water button for 3 seconds. It will take about 5 minutes for water to reach 80 degrees centigrade. Heating time is dependent on temperature of ambient water.

India’s first RO water purifier, with night assists technology with light at the point of water dispensing. It is designed for the ease of taking a glass of water in the middle of night. It also keeps your kitchen beautifully illuminated.

India’s first RO with child lock feature inbuilt to meet the international standards of safety for you and your loved ones. It is designed to ensure protection from hot water spillage when you don’t intend to take

No it gives water at normal temperature and at 2 hot water temperature choices.

In some of the ordinary RO some amount of water is made to bypass the RO membrane. Due to this the heavy metals, unwanted salts and pesticides also passes through. Whereas in A. O. Smith RO water purifier 100% of the water is passed through the RO membrane which ensures maximum purity of water and required minerals are added back to pure water.

A. O. Smith X7 RO has 7 stages of purification which are pre-filtration, sediment filtration, pre carbon, RO membrane, mineraliser, Silver activated post carbon and SCMT (Silver charged Membrane Technology).

A. O. Smith X4 is 5 stage 100% RO whereas A. O. Smith X7 is a 7 stage RO with double purity and added minerals. It has additional hot water option and night assist technology.

SCMT is an additional stage of purification to prevent any potential secondary microbial contamination post RO purification. Double protection ensures purified and healthy water.

It is double purification process to ensure pure water always. In this process 100% of the water is passed through the RO membrane and double purified by SCMT.  

Yes  A. O. Smith X7 and  A. O. Smith Z6 has an additional mineral cartridge which adds required minerals back to water.

Min-tech is mineraliser technology to add back required essential minerals back to water.  

It has total capacity of about 10 litres, in which hot water tank capacity is 800 ml. 

Yes A. O. Smith Z6 has twin advance alert technology for change of filters.

Yes A. O. Smith X4 range of  RO water purifier comes with a pre-filter which is part of the product 

A. O. Smith X7 has alerts to change the SCPA (Sediment and activated carbon filter) and RO membrane and/ or mineraliser, silver activated post carbon along with SCMT (silver charged membrane technology). Other than these two alerts it has power on indication when purifier is switched on, Tank full indication and Auto flush indication. There are other alerts and indications built in the system to indicate or alert the user if there is any problem in the system.

When the cartridge reaches 90% of its life, the indication glows in the product of the respective change. And upon reaching 100% of life the purifier stops the process for pure water.   

First indication is at 90%, at this point the respective change indicator starts glowing. On 100% life consumption there is a constant light in the respective indicator with buzzer beep. The buzzer will beep every time the unit is switched on. 

Life of RO membrane is 12000 litres of pure water. It generally would last for up to 2 years basis 15 litres per day consumption under the input water norms (input water norms TDS less than 2000, hardness less than 400 ).

Digital display in A. O. Smith Z6 indicates following

1) Tank full

2) Flushing of RO membrane

3) Change of SCPA (Sediment and activated carbon filters)

4) Change of RO membrane and or post carbon, mineral filter and SCMT.

5) Temperature of hot water

Yes A. O. Smith X7 can be mounted on the wall or can be placed on the counter.

No A. O. Smith Z6 comes in one standard colour. 

Yes all 3 are 100% RO water purifiers without bypass. 

Upto 2000 ppm

Upto 500 ppm

For 2 years warranty input water should have TDS <2000, hardness <400.

In case your water has hardness less than 400 and TDS upto 2000 then one year warranty is applicable. 

 TDS Hardness pH Warranty for
 RO Membrane
 Less than 2000 ppm Less than 400 ppm 7.5 2 Years
 Less than 2000 ppm Less than 500 ppm 7.5 1 Year

MRP of A. O. Smith X4 – 16750/-, A. O. Smith X7 - 20250/- and A. O. Smith Z6 – 24500/- 

AO Smith authorized service representative will install the product. 

The complete installation process would take about 1.5 hrs to 2 hours.

AO Smith authorized service personnel will service the product. 

To be provided later

Yes you can ask for a product demo or visit the AO Smith authorized dealers to see the products before buying.

Unique solution to customer’s service request where AO Smith will respond your request within 1 hour from the time of call registration, provide solution on same day & is committed to have solution given in first attempt itself.