Technically minded?

All of the technical details you’ll want to know. 

How it works

Optimised direct energy transfer

Next generation, patented water heating technology uses direct energy transfer electrodes to heat water to the required temperature. Compared to immersion elements, which typically reach 300°C – 500°C, this minimises energy use, prevents overheating and scaling and gives a much longer product lifespan.

Micro Electric Boilers – Technical 1
Micro Electric Boilers – Technical 3

Digitally controlled water heating

Monitors flow and temperature while adjusting energy use 100 times per second to achieve extremely high efficiency.

Eliminates energy losses from standby heating, hot pipe runs and cold water mixing.

Flow rates

Single unit installation – It delivers a water increase of 25°C at flow rates of between 2.8 to 5.5 litres per minute, depending on the output of the unit installed.

You can increase this output by installing units in tandem. This can then provide flow rates between 5.6 to 11.0 Litres per minute @25°C increase.

Micro Electric Boilers – Technical 5

Gas plant vs Micro Electric Boiler

Energy consumption comparison in a medium density 8 apartment building.

Assumptions: 20,000L of hot water per year, gas plant heats water to 70°C and circulates in a ring main, Micro Electric Boiler installed in each apartment and heats water to 50°C as required and maintenance costs for gas system not included.

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50% reduction in capital cost

Micro Electric Boilers – Technical 9

74% less energy (kWh) used

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50% reduction in running costs

How to choose

Step 1

Power supply – A Micro Electric Boiler needs a dedicated power supply of between 20 to 40 Amps depending on which model. As a result of that you need to be sure that you can run the right size cable and have load capacity on your circuit. The Micro Electric Boiler will not operate without the correct power supply.

Step 2

Temperature difference – You need to know the temperature you require and the incoming temperature. With this information you can calculate the temperature rise required. For a good hot water system most people would expect at least 45°C water at round 3-6 litres per minute.

Step 3

Flow rate – Some powerful showers use 15 litres per minute or more but that is quite excessive. A flow rate of around 3 – 6 litres per minute is generally a good compromise between flow rate, energy and temperature.

Technical data

Micro Electric Boilers – Technical 13
Micro Electric Boiler Electrical Specifications
Micro Electric Boiler Features and Benefits

Could not find what you needed?

Please do not hesitate to contact one of the awesome ThermoSphere team by:

Telephone: 0800 019 5899


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We close at 5pm on 24th Dec and reopen at 7.30am on 4th Jan 2022.

Orders for next day delivery will need to be placed by 4.30pm on the 23rd Dec.