A. O. Smith Mini Digital Water Heater

The most powerful hot water solution to date

Perfect for those who love their long showers

Starting at $1050

Mini Digital Water Heater by A.O. Smith.

Control panel

The control panel tells you the real time quantity of hot water in the heater tank. Use the panel to lower your thermostat an energy saving level of 50ºC to save energy.

The only instant-storage heater in Singapore

With an unparalleled hot water recovery rate, the mini generates hot water 2.5 times faster than a first generation electric water heater. Get hot water instantly.

A sensor at hot water outlet detects your hot water requirements the minute your faucet goes on.

Same tank size, 600% better performance

The mini water heater easily outperforms a first generation water heater.

1st gen 40 lit: 8 minutes of hot water
8th gen 40 lit: 24 minutes of hot water

mini heater tank ions imm

Intelligent Maintenance Monitor (IMM)

Patent ZL201210318688.9

Intelligent Maintenance Monitor or IMM, actively measures the level of corrosive ions in your tank and prompts you when maintenance is required.

Regular maintenance will prolong the lifespan of the heater.

Blue Diamond Tank

With 145 years of research and development and a glass formula known to only seven people in the world, A. O. Smith Blue Diamond tanks hold the world standard for reliability.

A. O. Smith is currently the largest water heater manufacturer worldwide.

high resistance robotic weld 21kg 850C blue diamond

Patented Blue Diamond Element

Patent ZL200510037670.1

A. O. Smith is the only water heater company with the technology to glass line their heating elements. Glass lined elements significantly reduce scaling and keep heating efficiency high.

Effective hot-water protection

Not only is the formula for Blue Diamond patented, its tank coating process is also a trade secret. Every A. O. Smith water heater tank is Blue Diamond glass lined and has an expected life span of at least 10 years.

Established in 1874

With over 150 years of water heater innovation, A. O. Smith is the leading producer of water heaters.

Automated factories

A. O. Smith does not outsource manufacturing. They own each of their 21 factories worldwide. The factories are 95% automated for optimal quality control.

Frequently Asked Questions

What maintenance should I do and when?

There are two maintenance types. Safety maintenance should be done every 3 years after the initial AOS Bath 3-year warranty.

A tank flushing is recommended every 5 years. This helps to keep water in the tank and sediment free.

How does IMM prolong the life of my heater?

Intelligent Maintenance Monitor or IMM, actively measures the level of corrosive ions in your tank and prompts you when maintenance is required.

Regular maintenance will prolong the lifespan of the water heater.

AES not working for you?

Due to Singapore’s warmer climate, AES has been known to restrict the heater’s heating cycle. Users who encounter hot water shortages are advised to disable the AES function.

What is the difference between digital gen 8 and digital gen 6?

Gen 8 is equipped with more advanced technology and its performance is better.

Speed heat time from full cold tank:
Gen 6: 2 min
Gen 8: 0 min

Run-time of hot water in minutes:
Gen 6: 16 min
Gen 8: 24 min

Setting the panel

Recommended Temperature

Showers: 50ºC
Bathtubs: 65ºC

Timers and AES

For Singapore’s climate, disable timers and AES. Why?

Caution

Do not set below 50ºC. Why?

Panel Guide

Product Specifications

Power (kW)4.0
Voltage/frequency (V/Hz)220 / 50
Temperature range (°C)35 – 75 ± 5
Rated water pressure (MPa)0.8
Waterproof gradeIPX4
Mini Heater wiring specification.
Mini Heater wall mount specification and illustration.
Capacity (litres)40 lit
Length (mm)880
Width (mm)340
Height (mm)350
Weight (kg)21