Electric Boilers
Top quality electric boilers
High quality boilers to cover all your heating and hot water needs.

Electric System Boiler
Our electric system boiler is a wall mounted heating boiler made of insulated steel. It's features are as follows:
- Modulating electronic control of the heater by SEM system (Smart Electronic Modulating System).
- Stainless steel shielded elements
- 6L heating expansion vessel.
- Digital display.
- Hydrometer 0-4bar.
- Circulating pump.
- Auto air vent.
- Silent TRIAC power switches.
- Heating flow detector.
- Heating temperature limiter 100ºC.
- 7 bar heating pressure relief valve.
- Compatible with underfloor heating.
- Compatible with the WiFi connected range.
Electrical Combination Boiler
Our Combi Boilers are available as either wall mounted or floor standing and are made of insulated steel. Their technical features are as follows:
- Suitable for single or 3-phase supplies.
- 3-12kw range rated on single phase supplies.
- 3-15kw range rated on 3-phase supplies.
- Digital modulating which, equates to less energy waste.
- Up to 12 litres per minute flow rate.
- Smart Electronic Modulation System to regulate energy consumption according to the exact heating needs at all times (external room stat required).
- Digital display with user adjustable controls and key lock facility.
- Kiwa approved product.
- Integral 50ltr store of water with user adjustable temperature regulation to provide "instant" hot water.
- Stainless steel shielded INCOLOY800 elements for high temperature strength & resistance to corrosion.
- Silent TRIAC power switches.
- Integral expansion vessels, pump & AAV
- Ideal for single bathroom properties.


If you're looking for specialist heating installers in Cornwall
call MJR Group SW on
01209 697 225