A.O. Smith Z6+Hot 48-Watt RO Water Purifier (Black) Review

A.O. Smith is a popular name in the world of water heaters and this company has recently started manufacturing water purifiers. The A.O. Smith Z6+Hot 48-Watt RO Water Purifier uses a 7-stage purification process to purify water. It comes with a side stream RO membrane which makes the purification process much more efficient. Plus, it removes any bad odour from water and enhances its taste greatly.

Key Features

Comes with RO+SCMT additional purification feature

Of course, it is an additional purification process that the purifier uses. It ensures that microbes does not contaminate the water after the RO purification. Hence, you can say that the purifier offers you with added safety against water-borne diseases.

Has a 7-stage purification process

The A.O. Smith Z6+Hot 48-Watt RO Water Purifier comes with a 7-stage purification process which purify the water completely and enhances its taste. During the purification process, the water passes through pre-filter, sediment filter, pre-carbon filter, RO membrane, mineralizer, silver-activated carbon and SCMT. This filtration process gives you safe water which is free of contamination.

Uses a side stream RO membrane

This unique membrane is obviously the finest invention of A.O. Smith. All things considered, this RO membrane is essentially the heart of the purifier. This membrane uses the latest technology and ensures that you drink safe water. The water flows sideways in this membrane enabling the RO membrane to be much more efficient in purifying the water.

Get hot water anytime

In addition to RO purified safe water to drink, you also got the option to drink warm or hot water with just the press of a button. This feature is something that you won’t find in Indian brand of water purifiers.

Pros and Cons


  • The purifier comes with a large storage capacity of 10 litres.
  • It uses a 7-stage purification process to purify the water.
  • This purifier uses an additional SCMT purification process to prevent the water from any contamination after purification.
  • Uses a mineralizer to add minerals and taste to the water.
  • Easy to assemble.


  • The structure of the purifier is little delicate.


Two years.


Free installation service provided by the company.

Customer Reviews

Though there are limited reviews, most of the customers are quite happy using this product. They like this water purifier as the water taste good and the purifier is quite stylish and fits perfectly in their kitchen.

Few customers have mentioned they are also happy with the customer service being offered.

Negative reviews comprises of complaints from the customer of product being expensive and faulty design due to which insects enter and contaminate the water. Few have also complained about poor customer service. 

This product has high percentage of positive as well as negative reviews from the limited reviews available. Before buying this product do your research thoroughly and if satisfied go ahead and buy.


Since A.O. Smith brand is new in India, it would take some time to know whether this product is really a great RO water purifier. For the time being, even though the reviews are limited, a good percentage of customers have described it as a good product. If you don’t want to buy a completely unknown brand in India even though it is a world famous company product, you can consider buying popular Indian brand of water purifiers.