Horizontal Digital Water Heater

A powerful solution that saves energy and produces hot water on demand.

Digital Heating Technology

New digital control panels give you full control of your water heater.

Leading American Technology

A. O. Smith has been refining water heating technology for the last 140 years. Every A. O. Smith heater is equipped with cutting edge, patented technology. Other heaters may look like A. O. Smith heaters but they do not work the same way.

Built to Last

A. O. Smith’s patented Blue Diamond formula makes its water heater tanks the toughest and most durable tanks in the market.

The longest lasting heater in the world was made by A. O. Smith.

No OEM Factories

Other manufacturers use OEM factories so they can give you cheaper products, but every A. O. Smith water heater and its components are manufactured in-house.

3 Year Full Warranty

Other heaters only provide full warranties for one year. All A. O. Smith products are fully guaranteed for 3 years – parts and labor, making us the longest water heater warranty provider in Singapore.


  • Temperature controls
  • MAX heat
  • Instant heat
  • Built in timer
  • Blue Diamond™ tank

Control your heater with a touch screen control panel.

Not only does it look better. Your heater just got a whole lot smarter.

▸ New digital controls

Program your water heater to save over 40% of energy.

Old heaters waste so much energy because their temperature cannot be adjusted.

▸ Learn more

Out of hot water?
You no longer have to wait 20 minutes to shower.

Activate the instant heat function.

▸ What is instant heating?

Powered by a patented heating sequence

Digital heaters are powerful systems which can generate at least
two times more hot water than a regular electric heater.

▸ Patented MAX heating

Other Features

Blue Diamond™ Tank

Patented tank lining makes A. O. Smith heaters the toughest in the market.

Built In

System goes into energy saving mode on its own. No need to turn your heater off and on.

Blue Diamond™ Element

A. O. Smith manufactures in-house elements of the highest heating efficiency.

High Density Insulation

Reduce standby heat loss and lower energy costs.

Model Diameter (mm) Length (mm)
CEWHR-40 Ø395 718
CEWHR-50 Ø395 838
CEWHR-80 Ø463 863
CEWHR-100 Ø463 1028
Product Specifications
Rated volume (L) 40 50 80 100
Power (kW) 2.0 – 3.3 2.0 – 3.3 2.0 – 3.3 2.0 – 3.3
Voltage/frequency (V/Hz) 230~/50 230~/50 230~/50 230/50
Temperature range (°C) 35 – 75 ± 5 35 – 75 ± 5 35 – 75 ± 5 35 – 75 ± 5
Rated water pressure (MPa) 0.8 0.8 0.8 0.8
Inlet/outlet connection (inches) ½ ½ ½ ½
Waterproof grade IPX4 IPX4 IPX4 IPX4
Net weight (kg) 21 23 30 33