Electric boiler technical information


Environmentally friendly, compact and unobtrusive. The perfect water heating solution for homes without gas supply or where space is at a premium. Ideal for storage cupboards, extensions, loft conversions, conservatories and garages. 


  • ‘Heating only’ hot water systems
  • Heating and hot water with an indirect cylinder
  • Wet underfloor heating


  • Controllable, efficient central heating
  • Integrated pump set and pressure release valve
  • No flue or fuel tanks means flexible installation
  • 99.8% efficient and EcoDesign Lot20 compliant
  • Compact and lightweight for easy installation
  • Minimal service and maintenance costs


Outputs range from 4.5kW to 9.0kW and each boiler features 3 heating elements that can be switched independently.
Three phase 400V, 12Kw and 15Kw models also available to order

Works with

  • Central heating radiators
  • Room thermostats and programmable timers
  • Thermostatic radiator valves
  • Water underfloor heating systems


Our slimline electric flow boilers are fully compliant with EcoDesign directive 2009/125/EU & Commission Delegated Regulation (EU) 811/2013 so they can be installed with total confidence.

EcoDesign Compliant

Efficiency table

electric boiler efficiency

Technical data

Max output (Kw)4.5
(3 x 1.5 Kw)
(3 x 2.0 Kw)
(3 x 3.0 Kw)
Volume of heat exchanger (litres)
Current (A)212740
Working pressue (MPa)
Working pressure (BAR)
Working pressue (PSI)292929
Max working Temperature (°C)858585
Cable section 230V (mm²)
Weight (Kg)131313
Dimensions (mm)745 x 220 x 147745 x 220 x 147745 x 220 x 147
Noise level (dB)494949
Seasonal space heating efficiency (%)363636
Energy efficiency classDDD
ERP Lot20 CompliantYesYesYes
Warranty duration2 years2 years2 years
Max pressure3 bar3 bar3 bar
ICE protectionClass IClass IClass I
IP RatingIP22IP22IP22


2 year warranty period which includes the hydraulic pump set.