These premium pieces from Ao Smith have been constructed to make your life simpler. The blue diamond technology used to make this heater has given it its safety and durability. It is a must have for someone who needs a constant supply of hot water and cannot wait for hours for water to heat up. Install it in your home as it does not take much space and yet provides boiling hot water almost instantly. Ao Smith is a trusted name in the field of household appliances, always bringing to the fore products that are designed for comfort.