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SMART.C 24kW Electric Combi Boiler with built-in Smart Control suitable for shower

£2,400.00 INC. VAT

(£2,000 exclusive of VAT)

24kW Three Phase

Wall hung electric combi boiler with built-in smart controls

Give instantaneous hot water (Suitable for shower)

Gives heating & instantaneous hot water @ 8lt/min at 40-50°C

Fully certified under IEC, IMQ, IECEE and Harmonics and Flicker

Comfort mode (Hot water)

Summer & Winter mode (Central Heating)

Compatible with solar panels

Fully insulated

875 (H) x 400 (W) x 300 (D)    (mm)

5 years warranty*

Bath & Shower


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1 in stock

SKU: SMART.C - 24kW Category:




  • Elektra, designed and produced in Italy
  • Clean and safe form of heating and hot water solution
  • Continuous hot water for its size – suitable for shower (Thermostatic shower mixer, highly recommended. Example: Grohe, Kohler, etc.)
  • Suitable for radiators and underfloor heating
  • Built-in smart controls
  • 240v three phase
  • Uses 100 Amps
  • Use 16mm cable per phase
  • Flowrate: 8 Lt/min
  • Completely silent due to Triac Based Technology.
  • Modulates from 2kW – 24kW
  • Digitally displayed temperatures
  • Can be used with radiators or under floor heating
  • Simply connect flow and return from heating circuit and cold supply for HW
  • All components, for normal function of the boiler included inside
  • Hot water limited to 50°C
  • Central heating limited to 75°C
  • Economical (see blue chart below) installer and user friendly.
  • 5 Years warranty (extendable) – subject to boiler connected to internet & service booking (2 years standard)


Package contents:

  • 1 x Elektra C Electric Combi Boiler
  • 2 x 22mm Isolation Valves
  • 1 x 15mm Isolation Valves
  • 1 x Bracket
  • Manual
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All Parameters are the same for Elektra C & BP.

As BP has built in Cylinder.  The Hot water delivery is better.

Elektra C:

Hot water delivery 8 litres/min Constant. 40°C – 50°C (depending on the incoming mains water temperature).

To fill a bath, one would have to reduce the flow rate to fill a bath, which could take 10 min+.

Can only supply at one point due to pressure loss if you open two outlets.

Uses full 24kW or 100 Amps.

Please note:
You can remotely change the modes (Summer/Winter, Eco/Comfort) and temperature of the boiler heating and hot water.
You can change and set your program for heating on/off. When the heating is running as per the smart program, the heating cannot be controlled by room thermostat. The best option to control the heating will be via thermostatic radiator valves or the temperature set for heating on the boiler.


Based in London or Berkshire? You can also come to pick the boiler up in person from our Windsor office :

Electric Combi Boilers Company, Green Acres, Oakley Green Road, Windsor, SL4 4QF

For more information: Contact our Windsor branch on 01628 636 099